As a Supply Chain & Manufacturing Intern focused on Manufacturing, you'll work directly with our Supply Chain & Manufacturing team on the processes that bring P3 modules to life. From assembly development on the factory floor to supplier negotiations that keep materials flowing, you'll get end-to-end exposure to how a hardware company scales production.

This role is in-person at our Austin facility.

Responsibilities

• Contribute to process and assembly development for P3 modules, helping define, document, and improve repeatable manufacturing processes
• Work with metal, glass, and ceramic fabrication methods and equipment as we develop and refine our production capabilities
• Support supplier negotiations, including quoting, cost analysis, and evaluating suppliers of materials and components

Requirements

• Currently pursuing a degree in Manufacturing, Mechanical, or Industrial Engineering, Supply Chain, or a related field
• Interest in manufacturing process and assembly development, with a hands-on, problem-solving mindset
• Familiarity with metal, glass, and ceramic fabrication methods and equipment (coursework, projects, or hands-on experience)
• Exposure to or strong interest in supplier negotiations and cost analysis
• Comfort working in an active factory environment

Benefits

You'll help stand up manufacturing at one of the fastest-moving companies in clean energy, with direct mentorship from the team scaling our production operations.

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As a Supply Chain & Manufacturing Intern focused on Contract Manufacturing Vendors, you'll work directly with our Supply Chain & Manufacturing team to develop and manage the external partners who build components for our P3 modules.

What You'll Do

• Support supplier negotiations, including quoting, cost analysis, and vendor evaluation
• Contribute to process and assembly development for P3 modules, working with vendors to translate designs into repeatable, scalable manufacturing processes
• Work with metal, glass, and ceramic fabrication methods and equipment, assessing vendor capabilities and supporting quality and process improvements

What You'll Bring

• Currently pursuing a degree in Supply Chain, Industrial, Mechanical, or Manufacturing Engineering, or a related field
• Interest in supplier management and negotiation, with strong analytical and communication skills
• Exposure to or strong interest in manufacturing process and assembly development
• Familiarity with metal, glass, and ceramic fabrication methods and equipment (coursework, projects, or hands-on experience)
• Comfort working in a fast-paced environment spanning the factory floor and vendor sites

Why Exowatt

You'll help build the supply chain behind one of the fastest-moving companies in clean energy, with direct mentorship from the team scaling our manufacturing operations.

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As a Supply Chain & Manufacturing Intern focused on Facilities & EHS, you'll play a hands-on role in standing up our factory and site infrastructure. You'll work alongside our Supply Chain & Manufacturing team to support site build-out, factory layout, and the environmental, health, and safety programs that keep our operations safe and compliant. This is a build-it-yourself internship: expect to spend time on the floor, in CAD, and in the field.

What You'll Do

• Facilitate site build-out and factory layout planning, developing and iterating on layouts in CAD
• Support hands-on fabrication and assembly work , learning welding, wiring, controls, and mechanical assembly alongside experienced technicians and engineers
• Work with metal, glass, and ceramic fabrication methods and equipment as we develop our manufacturing processes
• Support EHS program implementation, applying OSHA regulations and partnering with third-party EHS groups on audits, training, and compliance

What You'll Bring

• Currently pursuing a degree in Industrial, Mechanical, or Manufacturing Engineering, Supply Chain, EHS, or a related field
• Proficiency in CAD (SolidWorks, AutoCAD, or similar)
• A hands-on mindset and eagerness to learn welding, wiring, controls, and mechanical assembly
• Exposure to or strong interest in metal, glass, and ceramic fabrication methods and equipment
• Familiarity with EHS and OSHA regulations, and willingness to learn and collaborate with third-party EHS partners
• Comfort working in an active factory and construction environment

Why Exowatt

You'll help build a factory , literally , at one of the fastest-moving companies in clean energy, with direct mentorship from the team scaling our manufacturing operations.

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We're looking for a Business Development Intern to embed with the Business Development team and act as the connective tissue between our commercial activity and the data that should inform it.

What You'll Do

Pipeline visibility, forecasting & customer database

• Build and maintain a pipeline tracking system that gives the team clear visibility into every active opportunity, its stage, owner, value, and next step.
• Develop a demand forecasting view that weights opportunities by stage and close probability, so leadership can see expected demand.
• Define and document the workflow , stages, fields, definitions, update cadence , so the system stays consistent and trustworthy as more people use it.
• Produce regular pipeline and forecast snapshots for internal reviews, and flag risks, gaps, and stale opportunities.

Market research for new-market entry

• Research and size new target markets and segments; demand drivers, key players, buying behavior, and where Exowatt fits.
• Build project-economics analyses to help judge whether an opportunity is attractive.
• Map the policy and regulatory landscape relevant to each market , incentives, permitting, interconnection, and tariff structures and translate it into clear implications for our strategy.
• Synthesize findings into concise, decision-ready briefs, comparison matrices, and recommendations for the GTM team and leadership.

Required Qualifications

• Currently enrolled in an undergraduate or graduate program (business, economics, engineering, energy/environment, public policy, or a related field), or a recent graduate.
• Strong analytical skills and comfort working with quantitative data; able to structure a problem and reason through numbers.
• First-principles approach: able to break ambiguous problems down to their fundamentals and reason up from there, rather than relying on assumptions or how things are usually done.
• High proficiency in spreadsheets (Excel or Google Sheets), including formulas and building clean, reusable models.
• Excellent research skills , able to find, vet, and synthesize information from many sources into clear conclusions.
• Strong written communication; can turn analysis into a tight brief a busy reader can act on.
• AI-native: comfortable integrating AI tools into daily work and using them to research faster, build systems, and produce sharper analysis , and able to apply judgment to verify and refine the output.
• Organized, detail-oriented, and self-directed , comfortable building structure where little exists and owning a deliverable end to end.
• Genuine interest in energy, climate, and/or commercializing hard technology.

Preferred Qualifications

• Exposure to CRM or pipeline tools and an understanding of sales-stage and forecasting concepts.
• Familiarity with data center and energy markets (US ISOs/RTOs), power project economics, or LCOE/levelized-cost-style analysis.
• Understanding of energy policy, incentives, or the regulatory and interconnection landscape (US and/or target international markets).
• Experience with data visualization or dashboards (e.g., building a tracker others actually use).
• Prior internship or project experience in business development, consulting, investing, energy, or a startup environment.
• Bias toward action and a track record of building something from scratch.

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We are looking for a technically curious Power Systems Electrical Engineer to join our systems study team. You will be responsible for developing, maintaining, and analyzing complex power system models, as well as designing and executing test and validation strategies for advanced power conversion systems.

Key Responsibilities

Simulation & Modeling

• Build and execute system-level power system simulations using PSCAD/EMTDC or MATLAB/Simulink to analyze transient, steady-state, and dynamic phenomena
• Perform impact studies for Inverter-Based Resources (IBRs) such as generators, solar, and Battery Energy Storage Systems (BESS)
• Conduct Sub-Synchronous Oscillation (SSO) studies, Control Interaction (CI) analysis, and Transient Overvoltage (TOV) assessments
• Develop and maintain simulation environments for power electronics, energy storage, power conversion, and grid-interactive systems

Test & Validation

• Create and execute test plans, test procedures, and validation protocols for electrical and power system components and integrated systems
• Perform model-in-the-loop (MIL), software-in-the-loop (SIL), hardware-in-the-loop (HIL), and lab-based power converter testing as appropriate
• Validate simulation results against experimental and field data; improve model fidelity over time
• Analyze transient, fault, thermal, and dynamic behavior of power systems under normal and off-nominal conditions
• Investigate root causes of test failures and performance gaps; drive corrective actions with cross-functional teams
• Design and automate test infrastructure, data collection workflows, and post-processing and analysis tools

Cross-Functional Contribution

• Support controls and firmware teams by evaluating system response, protections, edge cases, and failure modes
• Translate complex simulation and test data into clear, actionable technical reports for clients, utilities, or internal stakeholders
• Contribute to design reviews, risk assessments, and engineering decision-making throughout product development

Technical Requirements

• Proficiency or academic experience in PSCAD/PSSE and/or MATLAB/Simulink, PLECS
• Exposure to LabVIEW, RTDS, LTspice is highly preferred
• Familiarity with oscilloscopes, power analyzers, DAQs, microcontrollers, PLCs, and programmable power supplies or load banks
• Deep understanding of Power System Transients, Control Theory, and Power Electronics
• Proficiency in Python or MATLAB for post-processing simulation and test data
• Familiarity with IEEE 1547, NERC PRC/MOD, FERC requirements, or relevant IEC/UL standards

Qualifications

• B.S., M.S., or Ph.D. in Electrical Engineering with a focus on Power Systems, Power Electronics, or Controls
• Open to both experienced professionals (3+ years preferred) and recent university graduates who can demonstrate significant project work or a thesis involving EMT simulation, hardware testing, or power converter validation
• Strong mathematical aptitude in differential equations, phasor analysis, and system dynamics
• Experience designing and executing laboratory tests for electrical systems and interpreting measured data
• Ability to debug complex multidisciplinary systems and communicate findings clearly to both technical and non-technical audiences

The "New Grad" Success Profile

• A capstone project or internship focused on power system modeling.
• A high level of comfort with Python or MATLAB for post-processing simulation data.
• A "builder" mindset,someone who enjoys digging into a black-box model to understand how the underlying code affects the grid.

Additional Information

What We Offer:

• Competitive salary and equity options.
• Comprehensive benefits package, including health, dental, and retirement plans.
• A dynamic work environment that fosters creativity and innovation.
• Opportunities for professional growth and development in a rapidly evolving industry.
• Relocation assistance.

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The Accounts Payable Oversight and Inventory Control Leader will bridge the gap between corporate finance and factory-floor supply chain operations. You will fully own the end-to-end procure-to-pay (P2P) automated process in ZipHQ, managing critical component vendor relationships while supervising physical inventory control, materials tracing, and manufacturing cost variance. Your goal is to maximize working capital efficiency, eliminate engineering and manufacturing department’s P2P bottlenecks, and enforce rigorous financial controls as we scale hardware production.

This role is based at our headquarters in Miami, FL. Relocation to Miami, FL is required, and relocation assistance will be provided.

Key Responsibilities

Accounts Payable Oversight

• Manage End-to-End P2P: Supervise vendor invoice matching (2-way matching), coding, routing, approvals, and disbursement schedules.
• Resolve Vendor Exceptions: Act as the primary point of contact to resolve complex pricing, quantity, and billing discrepancies with suppliers.
• Optimize Working Capital: Monitor aging reports and structure cash disbursements to take advantage of early-payment discounts.
• Enforce Compliance Controls: Maintain rigorous 1099 reporting, tax compliance, internal audit paths, and SOX-aligned internal controls.

Inventory Control Leadership

• Govern Inventory Accuracy: Lead physical counts, cycle-counting programs, and perpetual inventory reconciliations across all locations.
• Analyze Variances: Track, investigate, and report material usage variances, scrap rates, and inventory shrinkage.
• Co-ordinate Logistics: Oversee material receipts and inventory transfers between manufacturing hubs and data center deployment sites.

Qualifications & Requirements

• Education: Bachelor’s degree in Accounting, Finance, Supply Chain Management, or a related field.
• Experience: Minimum of 4–6 years of experience managing accounts payable and inventory control within a hardware manufacturing environment.
• Industry Acumen: Practical knowledge of solar components, raw metals, electronics manufacturing, or large-scale capital infrastructure projects.
• Technical Mastery: Advanced proficiency in Enterprise Resource Planning (ERP) systems (e.g., NetSuite, SAP) and automated AP software (e.g., ZipHQ).
• Core Competencies: High attention to detail, strong data analytics skills, and the agility to navigate a fast-paced, hardware startup environment.

Additional Information

What We Offer:

• Competitive salary and equity options.
• Comprehensive benefits package, including health, dental, and retirement plans.
• A dynamic work environment that fosters creativity and innovation.
• Opportunities for professional growth and development in a rapidly evolving industry.
• Relocation assistance.

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As our AI Marketing Intern, you’ll work directly alongside our Marketing and Software teams to bring our story to life across video, graphics, and social, with a heavy emphasis on AI-assisted production.

This is a hands-on role for someone who's genuinely excited about where AI tooling is taking creative work, and who wants real ownership rather than busywork. You won’t be fetching coffee; you’ll be shipping assets people actually see.

This role is in-person at our Miami office; open to remote for the right candidate.

What you’ll do

AI-generated content creation

• Produce social media assets, short-form videos, and graphics using AI tools (image, video, and design generators) plus traditional editing software.
• Develop and iterate on prompts to get on-brand, high-quality output , and know when to refine by hand.
• Adapt content across formats and channels (LinkedIn, X, YouTube, etc.).
• Maintain a consistent visual identity and voice across everything you make.

Website & AI experiences

• Brainstorm and prototype unique ways to incorporate AI agents into the website experience and workflows.
• Partner with our full-time engineer to build and ship agentic features.
• Help translate brand guidelines into clean, responsive design as the site evolves (e.g., Figma → build).

General brand & comms support

• Help organize and manage our asset library and content calendar.
• Pitch in on campaigns, launches, and one-off creative needs as they come up.

Qualifications

• Strong creativity skills and the ability to think outside the box.
• Excellent communication and written abilities.
• Experience or interest in creative strategy and branding.
• Proficient writing skills and attention to detail.
• A passion for sustainable energy and clean technology is a plus.
• Currently pursuing or recently completed a degree in a related field such as marketing, design, communications, or journalism.
• Open to learning and utilizing AI tools in creative processes.

Who we’re looking for

• Strong interest in generative AI creative workflows.
• Understanding of digital marketing creative formats.
• Ability to follow brand guidelines while exploring new creative directions.
• Comfortable working in a fast-paced and iterative environment.
• A proactive mindset and a willingness to experiment.
• Interest in storytelling through visual content.

Nice to have

• Interest in clean energy, sustainability, climate tech, or emerging technology brands.
• Basic understanding of photography composition and lighting.
• Experience creating visuals for social media or marketing campaigns.
• Interest or exposure to building and deploying AI agents.
• Familiarity with creative tools such as: Midjourney, Higgsfield, Photoshop, Canva, Figma, CapCut.

Work Environment

• In-person at our Miami office; open to remote for the right candidate.
• Opportunity to contribute directly to brand creative direction.
• Exposure to real-world marketing campaigns and product launches.
• A collaborative and fast-paced startup environment.

Additional Information

What We Offer: Competitive salary and equity options. Comprehensive benefits package, including health, dental, and retirement plans. A dynamic work environment that fosters creativity and innovation. Opportunities for professional growth and development in a rapidly evolving industry. Relocation assistance.

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We are seeking an experienced Mechanical Engineer specializing in structural design to join our growing team. In this role, you will engage in the structural design and analysis of our renewable energy systems, ensuring structural integrity, durability, and performance in diverse environmental conditions.

Key Responsibilities:

• Create the structural design of both stationary and moving structures and associated mechanical or drive components and system layouts for renewable energy applications
• Develop and validate structural models using Finite Element Analysis (FEA) and other analytical methods
• Create detailed engineering drawings and specifications for manufacturing
• Collaborate with cross-functional teams, including controls, electrical, thermal, and software engineers
• Evaluate and select appropriate materials based on structural strength requirements, stiffness, cost, and sustainability
• Design for manufacturability, assembly, and serviceability
• Mentor junior engineers and provide technical guidance to the mechanical engineering team
• Interface with suppliers, manufacturers, and external engineering partners
• Participate in design reviews and ensure compliance with industry standards and regulations
• Troubleshoot structural issues during testing and deployment

Qualifications:

• Bachelor's degree in Mechanical Engineering or related field; Master's degree preferred
• 7+ years of mechanical engineering experience
• Extensive knowledge of structural mechanics, materials science, and manufacturing processes
• Proficiency in 3D CAD software (SolidWorks, Creo, or similar)
• Experience with FEA software (ANSYS, Nastran, or similar)
• Strong understanding of GD&T ASME Y14.5 and engineering drawing standards
• Experience designing for extreme environmental conditions (high winds, seismic events, etc.)
• Knowledge of relevant standards and codes (ASME, ISO, IEC, etc.)
• Experience with renewable energy systems (solar, wind, or energy storage) preferred
• Excellent communication and collaboration skills

Additional Information:

• Competitive salary and equity options.
• Comprehensive benefits package, including health, dental, and retirement plans.
• A dynamic work environment that fosters creativity and innovation.
• Opportunities for professional growth and development in a rapidly evolving industry.
• Relocation assistance.

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We are seeking an experienced Mechanical Engineer specializing in heat exchanger design to join our growing team. In this role, you will lead the design, analysis, and optimization of heat exchangers for our thermal energy storage systems, ensuring efficient heat transfer, system reliability, and performance across demanding operational conditions.

Key Responsibilities:

• Lead the design, analysis, and optimization of heat exchangers for our thermal energy storage systems.
• Engage with suppliers for development, build, and testing of the heat exchange system for Exowatt’s power conversion unit.
• Perform analysis of mechanical components and systems for heat exchangers utilizing CFD and FEA such as Ansys multiphysics, CAD (Solidworks, Creo, or equivalent).
• Design, build, and test prototype heat exchanger units for Exowatt’s power conversion units.
• Validate models by test and analytical methods.
• Create detailed engineering drawings and specifications for manufacturing.
• Collaborate with cross-functional teams, including electrical, controls, thermal, and software engineers.
• Evaluate and select appropriate materials based on requirements, cost, and sustainability.
• Design for manufacturability, assembly, and serviceability.
• Interface with suppliers, manufacturers, and external engineering partners.
• Participate in design reviews and ensure compliance with industry standards and regulations.
• Troubleshoot issues during testing and deployment.

Qualifications:

• Bachelor's degree in Mechanical Engineering or related field; Master's degree preferred.
• 7+ years of mechanical engineering experience with a focus on thermal-fluid systems with a focus on heat exchanger design, analysis, and development.
• Demonstrated experience designing, analyzing, and optimizing heat exchangers for high-temperature applications.
• Hands-on experience in testing of heat exchangers, energy, and power conversion systems.
• Strong foundation in thermodynamics, conjugate heat transfer, fluid mechanics, and thermal coatings.
• Proficiency in 3D CAD software (SolidWorks, Creo, or similar) and experience designing complex flow paths and pressure-containing components.
• Experience with FEA and CFD software (ANSYS multiphysics, Nastran, or similar) for thermal stress analysis and fatigue life prediction under cyclic operating conditions.
• Familiarity with CFD tools for flow distribution, heat transfer optimization, and pressure drop analysis.
• Strong understanding of GD&T ASME Y14.5 and engineering drawing standards for precision-manufactured components.
• Knowledge of relevant standards and codes (ASME BPVC, TEMA, API, ISO) as applied to pressure vessels, heat exchangers, and rotating equipment.
• Experience designing for demanding operating environments, including thermal cycling, high-temperature creep, and corrosive or reactive working fluids.
• Experience with renewable energy systems, thermal energy storage, or concentrated solar power preferred.
• Excellent communication and collaboration skills with the ability to work across multidisciplinary teams.

What We Offer:

• Competitive salary and equity options.
• Comprehensive benefits package, including health, dental, and retirement plans.
• A dynamic work environment that fosters creativity and innovation.
• Opportunities for professional growth and development in a rapidly evolving industry.
• Relocation assistance.

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We are looking for a Controls & Firmware Engineer to help design and implement the control architecture for our scalable thermal energy storage system. This hands-on role involves both PLC programming and embedded firmware development, giving flexibility as we evolve our platform from industrial controllers to custom microcontroller-based solutions.

Key Responsibilities

Controls (PLC Path)

• Develop and test PLC programs for system, module, and site-level controllers.
• Implement safety interlocks, alarms, and operational sequences for energy storage modules.
• Configure and validate industrial communication protocols.
• Integrate different system components with Microcontroller based devices.
• Set up and maintain a test bench / HIL environment for PLC validation.

Firmware (Microcontroller Path)

• Design and implement embedded firmware in C/C++ for microcontrollers.
• Develop and test communication stacks, device drivers, and OTA update mechanisms.
• Ensure deterministic, real-time operation in power and energy storage applications.
• Set up and maintain a test bench / HIL environment for validation.

DevOps & CI/CD

• Build and maintain CI/CD pipelines for PLC code, firmware, and test automation.
• Implement version control best practices for branching, releases, and tagging safety-critical builds.
• Develop infrastructure to run automated test suites.

Energy Storage Integration

• Apply knowledge of utility-scale energy storage systems.
• Participate in the development of control panel design for various components of energy storage system.
• Design & develop EMS/SCADA application to map controls data into historians, HMIs, and cloud telemetry systems.
• Support system integration, commissioning, and field validation.

Qualifications

• Bachelor’s in Electrical, Controls, Computer Engineering, or related field.
• 2–6 years of experience in PLC programming and/or embedded firmware development.
• Proficiency with Siemens TIA Portal / Rockwell Studio 5000.
• Strong coding skills in C/C++.
• Experience with GitHub workflows, CI/CD pipelines, automated testing.
• Familiarity with utility-scale energy systems or DERs.
• Understanding of industrial networking and protocols.

Preferred Skills

• Exposure to energy storage standards.
• Knowledge of cloud-integrated controls.
• Experience setting up test benches, simulators, or hardware-in-the-loop systems.

Additional Information

What We Offer:

• Competitive salary and equity options.
• Comprehensive benefits package, including health, dental, and retirement plans.
• A dynamic work environment that fosters creativity and innovation.
• Opportunities for professional growth and development in a rapidly evolving industry.
• Relocation assistance.

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We are seeking a highly skilled and motivated Lead Optical Engineer to own optical testing and model validation for the P3's concentrating optics. In this role, you will design optical setups, perform advanced testing, validate models to ensure system accuracy and performance, and automate processes to improve efficiency.

Responsibilities

• Design, automate, and optimize optical test setups for Fresnel-lens concentrators and complex opto-mechanical assemblies, ensuring efficiency and precision.
• Characterize concentration ratio, focal-spot flux distribution, and end-to-end optical efficiency, and validate these measurements against design models.
• Develop tailored solutions for validating optical models, ensuring they meet technical and performance specifications.
• Execute advanced optical testing, troubleshooting, and validation to ensure optimal product performance and reliability.
• Investigate sun-tracking alignment, acceptance angle, and off-axis behavior, and their impact on delivered concentration and system yield.
• Characterize long-term optical durability , including UV-driven transmittance loss, soiling, and thermal cycling , to support a 30-year field lifespan.
• Automate test procedures using Python and C++ to streamline workflows and improve accuracy.
• Feed validated optical performance data into thermal models and the system digital twin to support predictive performance and O&M.
• Work closely with the Optical Product Development and R&D teams to integrate test results and feedback into design and development processes.
• Collaborate with optical, mechanical, electrical, and systems engineering teams to ensure alignment across product development stages.
• Define and validate manufacturing tolerances for optical components produced at high volume in domestic factory settings.
• Analyze and document test results, providing insights, recommendations, and clear technical documentation.
• Utilize non-imaging ray-tracing software, such as LightTools or FRED, for performance simulations and test validation.
• Research and address thermal and environmental impacts on optical system performance.
• Maintain clear, organized technical documentation for internal teams and external stakeholders.

Requirements

• Master's or PhD in Optical Engineering, Physics, Electrical Engineering, or a related discipline, with a minimum of 3 years of industry experience, or equivalent work experience.
• Strong expertise in optical testing and model validation, with experience automating test setups.
• Proficiency in Python and C++ for test automation, data analysis, and workflow optimization.
• In-depth knowledge of non-imaging optics and related practical applications.
• Familiarity with non-imaging ray-tracing tools such as LightTools or FRED.
• Hands-on experience with optical systems in a lab environment, including assembly, alignment, integration, and testing.
• Proficiency in optical tolerance analysis and defining manufacturing tolerances for optical components.
• Experience with concentrating optics, solar concentration (CPV/CSP), high-flux systems, or optical-to-thermal coupling is a strong advantage.
• Familiarity with polymer optics (e.g., PMMA Fresnel lenses) and their long-term durability under UV and thermal stress is a plus.
• Familiarity with optical modeling tools such as ZEMAX, CODE V, or similar is a strong advantage.
• Competence in generating technical documentation and simple CAD drawings to support engineering and manufacturing.
• A problem-solving mindset, with the ability to work independently and collaboratively.
• Excellent communication skills, capable of articulating technical concepts to both technical and non-technical audiences.

Benefits

• Competitive salary and equity options.
• Comprehensive benefits package, including health, dental, and retirement plans.
• A dynamic work environment that fosters creativity and innovation.
• Opportunities for professional growth and development in a rapidly evolving industry.
• Relocation assistance.

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This is a manager-level role with significant cross-functional and customer-facing scope. You will operate at the intersection of customer, engineering, supply chain, and field operations. You will translate contract obligations into a credible execution plan, hold internal teams accountable to it, and represent Exowatt to the customer with clarity and confidence.

Key responsibilities include:

• Customer-facing project ownership
• Deliverables and schedule management
• On-site coordination and commissioning
• Product issue response and field service coordination
• Build out the Field Operations Function

Required experience includes eight to twelve years of program or project management experience delivering complex hardware deployments at customer sites, with a strong preference for energy or power infrastructure background. Direct, executive-grade customer-facing experience is also required, along with fluency with project management fundamentals and strong written and verbal communication skills.

Preferred experience includes an engineering background or equivalent technical fluency, experience standing up a deployments, delivery, or technical program management function at an earlier-stage hardware company, and familiarity with EPC, owner's engineer, and AHJ permitting workflows in U.S. jurisdictions.

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Key Responsibilities:

• Own incoming inspection, in-process, and final quality for assigned commodities, sub-assemblies, and finished product
• Partner with the supply chain team to qualify new suppliers , on-site audits, first-article inspections (FAI), PPAP-style submissions, and process capability reviews
• Develop inspection plans, control plans, and acceptance criteria for purchased parts and in-house manufactured components
• Lead root-cause investigations (8D, 5-Why, Ishikawa) on supplier defects and internal manufacturing non-conformances; drive corrective and preventive actions (CAPA) to closure
• Manage the non-conformance (NCR) and supplier corrective action request (SCAR) processes end-to-end
• Partner with design engineering on DFM/DFA reviews and help translate design intent into manufacturable, inspectable specifications (GD&T, critical-to-quality features)
• Track and report quality metrics , PPM, first-pass yield, cost of poor quality, supplier scorecards , and use them to drive improvement
• Support new product introduction (NPI) from prototype through production ramp, including process validation and pilot builds
• Build and maintain quality documentation: inspection procedures, work instructions, quality records, and calibration programs
• Help stand up and evolve Exowatt's quality management system (QMS) , we're early enough that you'll shape it, not just operate inside it
• Travel to supplier facilities domestically and occasionally internationally (~20%)

Required Qualifications:

• Bachelor's degree in Mechanical, Manufacturing, Industrial, or a related engineering field
• 4+ years of quality engineering experience in a hardware manufacturing environment
• Hands-on experience with supplier quality , audits, FAI, PPAP, SCARs, and supplier development
• Strong working knowledge of root-cause methodologies (8D, 5-Why, fishbone) and statistical tools (SPC, Cpk, DOE basics)
• Fluency with GD&T and the ability to read and interpret mechanical drawings
• Experience with metrology and inspection tools (CMM, calipers, micrometers, optical comparators, etc.)
• Familiarity with ISO 9001 and the fundamentals of building or operating a QMS
• Clear technical writing and the ability to communicate findings to suppliers, engineers, and leadership

Preferred Qualifications:

• Experience in energy, aerospace, automotive, industrial equipment, or other regulated/high-reliability hardware industries
• Exposure to welded or brazed assemblies, pressure vessels, high-temperature materials, or thermal systems
• ASQ certification (CQE, CQA, or CSSBB)
• Experience standing up a QMS at an early-stage company, or taking one from ISO 9001 toward AS9100, ISO 14001, or similar
• Six Sigma Green or Black Belt
• Experience with ERP/MES/QMS platforms (NetSuite, Arena, Propel, or similar)

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This is a high-leverage role. The pace of certification work directly determines how fast we can deliver power to customers, and how confidently we can deploy at scale.

Responsibilities

Own the certification roadmap. Develop and execute compliance strategies for new product introductions and design iterations across the portfolio.

Run the NRTL relationship. Serve as the primary point of contact for UL, Intertek, and CSA , managing project quotes, testing schedules, and technical file submissions.

Build the technical record. Prepare, review, and maintain comprehensive Construction Files, including schematics, BOMs, and critical component lists.

Manage testing end-to-end. Oversee and witness on-site and laboratory testing.

Troubleshoot non-conformances and partner with R&D to engineer solutions that meet safety requirements without compromising performance.

Stay ahead of the standards. Track evolving codes (NEC, NFPA 855) and ensure our internal design guidelines reflect the latest versions of applicable industry standards.

Requirements

• B.S. in Electrical Engineering, Mechanical Engineering, or a related technical field.
• 10+ years in product compliance within power electronics, battery, or solar industries.
• NRTL track record: Proven success bringing products through certification with UL, CSA, or Intertek.
• Codes knowledge: Strong working understanding of the NEC and NFPA 855.
• Analytical depth: Ability to interpret complex technical standards and apply them to hardware designs early , when changes are still cheap.

Bonus Points

• Experience with IEC 62619 or IEC 62109 for international market entry.
• Functional Safety background (ISO 26262 or IEC 61508).
• Familiarity with European equivalents to the standards above.

What We Offer

Competitive salary and equity options. Comprehensive benefits package, including health, dental, and retirement plans. A dynamic work environment that fosters creativity and innovation. Opportunities for professional growth and development in a rapidly evolving industry. Relocation assistance.

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Key Responsibilities: Design and develop electrical components and sub-systems for thermal battery and power dispatch applications Create schematics, PCB layouts, and technical specifications under the guidance of senior engineers and system architects Perform electrical analysis, simulation, and validation testing on assigned designs Contribute to the design of power electronics, control circuits, instrumentation, and protection systems Work closely with mechanical, software, and systems engineering teammates to integrate electrical designs into the broader product Troubleshoot electrical issues during prototype builds, bench testing, and field deployments Evaluate components and vendor technologies; make recommendations on part selection Ensure designs meet applicable safety standards, regulatory requirements, and internal performance targets Document designs, test procedures, and technical findings clearly Support prototype builds, bring-up, and field testing activities Keep current on developments in power electronics, grid integration, and renewable energy systems

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Key Responsibilities:

• Plan, set up, and execute test campaigns on the solar simulator, including thermal receiver characterization, material testing, and sub-system validation
• Design and build test fixtures, instrumentation setups, and data acquisition systems to capture high-quality experimental data
• Operate and maintain the simulator and supporting lab infrastructure , lamp arrays, optics, cooling, controls, and safety systems
• Perform flux mapping, spectral characterization, and calibration to ensure test conditions are well-understood and repeatable
• Instrument test articles with thermocouples, pyrometers, flow meters, flux sensors, and related diagnostics
• Develop data acquisition and control scripts (LabVIEW, Python, or similar) and automate repetitive test sequences
• Analyze test data, identify anomalies, and communicate results clearly to R&D, engineering, and leadership stakeholders
• Partner closely with design engineers to translate test findings into design improvements
• Write test plans, procedures, and reports; maintain rigorous records of configurations, calibrations, and results
• Enforce and continuously improve lab safety practices for high-flux, high-temperature, and high-voltage work
• Support troubleshooting and root-cause investigations on prototype hardware

Required Qualifications:

• Bachelor's degree in Mechanical, Aerospace, Electrical, or a related engineering field
• 3+ years of hands-on test engineering experience in a lab or prototype environment
• Experience designing and executing test plans, including instrumentation selection and test fixture design
• Proficiency with data acquisition tools (LabVIEW, Python, MATLAB, or similar) and common lab instrumentation
• Strong understanding of heat transfer, thermodynamics, or thermal-fluid systems
• Comfort working with high-temperature, high-voltage, or otherwise hazardous equipment, and a demonstrated safety-first mindset
• Clear technical writing and the ability to communicate findings to technical and non-technical audiences

Preferred Qualifications:

• Experience with solar simulators, high-flux testing, or other high-intensity optical systems
• Familiarity with thermal receivers, heat exchangers, or high-temperature storage materials
• Experience calibrating optical or thermal instrumentation (pyrometers, flux gauges, radiometers)
• Background in mechanical fabrication, machining, or hands-on prototype assembly
• Previous work in a fast-moving hardware startup environment

Additional Information:

What We Offer:

• Competitive salary and equity options
• Comprehensive benefits package, including health, dental, and retirement plans
• A dynamic work environment that fosters creativity and innovation
• Opportunities for professional growth and development in a rapidly evolving industry
• Relocation assistance

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You will work at the intersection of heat transfer, materials science, and optical engineering to push the boundaries of receiver efficiency, durability, and cost-effectiveness.

Key responsibilities include:

• Leading the end-to-end design and development of high-temperature solar receivers optimized for solar field integration
• Developing thermal and optical models to predict receiver performance, including flux distribution, heat transfer efficiency, and thermal stress analysis
• Selecting and qualifying materials capable of withstanding extreme temperatures (800°C–1000°C+), thermal cycling, and high solar flux environments
• Designing receiver geometries (cavity, external, tubular, particle-based) to maximize energy absorption while minimizing thermal losses and mechanical fatigue
• Collaborating with solar collection and controls teams to optimize aiming strategies and flux distribution on receiver surfaces
• Interfacing with heat exchanger and thermal storage engineers to ensure seamless integration of receiver output with downstream systems
• Developing and executing testing protocols for receiver prototypes, including high-flux testing and accelerated life cycle evaluation
• Driving design-for-manufacturing initiatives to reduce receiver cost and improve producibility at scale
• Staying current with advances in receiver technology, high-temperature coatings, and selective absorber materials

Required qualifications include:

• A bachelor's degree in Mechanical Engineering, Aerospace Engineering, Materials Science, or related field; a master's or PhD is preferred
• 7+ years of experience in thermal systems design, with significant focus on high-temperature receiver or heat exchanger development
• Demonstrated expertise in solar thermal receiver design for tower-based or central receiver systems
• Strong background in heat transfer (conduction, convection, radiation), thermodynamics, and fluid mechanics
• Proficiency with thermal simulation tools (ANSYS, COMSOL, SolarPILOT, or equivalent)
• Experience with high-temperature materials including ceramics, refractory metals, and advanced alloys
• Hands-on experience taking receiver designs from concept through prototype testing and into production

Preferred qualifications include:

• Experience with molten salt, liquid sodium, or particle-based heat transfer media
• Knowledge of selective absorber coatings and high-temperature surface treatments
• Familiarity with optical modeling and ray-tracing software for flux analysis
• Background in solar field optimization and aiming point strategies
• Publications or patents in solar thermal receiver technology

Additional information:

• Competitive salary and equity options
• Comprehensive benefits package, including health, dental, and retirement plans
• Dynamic work environment that fosters creativity and innovation
• Opportunities for professional growth and development in a rapidly evolving industry
• Relocation assistance

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Key Responsibilities: Create the structural design of both stationary and moving structures and associated mechanical or drive components and system layouts for renewable energy applications Develop and validate structural models using Finite Element Analysis (FEA) and other analytical methods Create detailed engineering drawings and specifications for manufacturing Collaborate with cross-functional teams, including controls, electrical, thermal, and software engineers Evaluate and select appropriate materials based on structural strength requirements, stiffness, cost, and sustainability Design for manufacturability, assembly, and serviceability Mentor junior engineers and provide technical guidance to the mechanical engineering team Interface with suppliers, manufacturers, and external engineering partners Participate in design reviews and ensure compliance with industry standards and regulations Troubleshoot structural issues during testing and deployment

Qualifications: Bachelor's degree in Mechanical Engineering or related field; Master's degree preferred 7+ years of mechanical engineering experience Extensive knowledge of structural mechanics, materials science, and manufacturing processes Proficiency in 3D CAD software (SolidWorks, Creo, or similar) Experience with FEA software (ANSYS, Nastran, or similar) Strong understanding of GD&T ASME Y14.5 and engineering drawing standards Experience designing for extreme environmental conditions (high winds, seismic events, etc.) Knowledge of relevant standards and codes (ASME, ISO, IEC, etc.) Experience with renewable energy systems (solar, wind, or energy storage) preferred Excellent communication and collaboration skills

Additional Information: Competitive salary and equity options Comprehensive benefits package, including health, dental, and retirement plans Dynamic work environment that fosters creativity and innovation Opportunities for professional growth and development in a rapidly evolving industry Relocation assistance

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Key Responsibilities:

• Own and develop the heat exchange system for Exowatt’s power conversion unit from design and analysis in a hands-on fashion. Engage with suppliers for development, build and testing.
• Perform analysis of mechanical components and systems for heat exchangers utilizing CFD and FEA such as Ansys multiphysics, CAD (Solidworks, Creo, or equivalent.
• Design, build and test of prototype heat exchanger units for Exowatt’s power conversion units.
• Validate models by test and analytical methods
• Create detailed engineering drawings and specifications for manufacturing
• Collaborate with cross-functional teams, including electrical, controls, thermal, and software engineers
• Evaluate and select appropriate materials based on requirements, cost, and sustainability
• Design for manufacturability, assembly, and serviceability
• Interface with suppliers, manufacturers, and external engineering partners
• Participate in design reviews and ensure compliance with industry standards and regulations
• Troubleshoot issues during testing and deployment

Qualifications:

• Bachelor's degree in Mechanical Engineering or related field; Master's degree preferred
• 7+ years of mechanical engineering experience with a focus on thermal-fluid systems with a focus on heat exchanger design, analysis, and development.
• Demonstrated experience designing, analyzing, and optimizing heat exchangers (shell-and-tube, fined heat exchangers, heat sinks, printed circuit heat exchangers, heat pipes, etc) for high temperature applications.
• Hands-on experience in testing of heat exchangers, energy, and power conversion systems.
• Strong foundation in thermodynamics, conjugate heat transfer, fluid mechanics, and thermal coatings, with the ability to perform thermal and hydraulic sizing calculations
• Proficiency in 3D CAD software (SolidWorks, Creo, or similar) and experience designing complex flow paths and pressure-containing components
• Experience with FEA and CFD software (ANSYS multiphysics, Nastran, or similar) for thermal stress analysis and fatigue life prediction under cyclic operating conditions
• Familiarity with CFD tools for flow distribution, heat transfer optimization, and pressure drop analysis
• Strong understanding of GD&T ASME Y14.5 and engineering drawing standards for precision-manufactured components
• Knowledge of relevant standards and codes (ASME BPVC, TEMA, API, ISO) as applied to pressure vessels, heat exchangers, and rotating equipment
• Experience designing for demanding operating environments, including thermal cycling, high-temperature creep, and corrosive or reactive working fluids
• Experience with renewable energy systems, thermal energy storage, or concentrated solar power preferred
• Excellent communication and collaboration skills with the ability to work across multidisciplinary teams

Additional Information:

• Competitive salary and equity options
• Comprehensive benefits package, including health, dental, and retirement plans
• Dynamic work environment that fosters creativity and innovation
• Opportunities for professional growth and development in a rapidly evolving industry
• Relocation assistance

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As a member of our team, you'll have the opportunity to work on cutting-edge technology and contribute to making sustainable renewable energy always available and almost free. We offer a competitive salary and equity options, comprehensive benefits package, and relocation assistance.

If you don't see a role that matches your skill set but still want to connect, join our talent network to stay engaged about our new openings.

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