Your responsibilities will include: Mature designs through conceptual, preliminary, and detailed design phases using practical passive and active thermal control techniques. Support design trades that successfully balance performance margins, resource use, risk, cost, and schedule. Perform thermal analysis to varying degrees of fidelity (simplified to detailed) on a variety of different types of hardware such as propulsion components, batteries, high powered electronics, RF components, mechanisms, and printed circuit boards (PCBs). Design, evaluate, procure and test thermal solutions such as heaters, heat pipes, thermal interface materials, and surface coatings. Develop processes and procedures for integration and assembly which ensure thermal design intent is met. Collaborate with the integration and test team; provide assistance with the installation of thermal hardware as needed. Plan and run thermal vacuum testing and verification at the component and spacecraft level. Assist in recruiting, interviewing, and hiring additional teammates to our rapidly-growing team.

Requirements: Bachelor of Science degree in engineering or physics Experience in thermal analysis and thermally-constrained design; computational thermal design experience (finite methods) is not required but highly preferred Proficiency with mechanical CAD A passion and enthusiasm for hardware development, including working in a fast-paced environment and hands-on design and development

Bonus: Experience with Thermal Desktop Experience with Electronics Packaging and Printed Circuit Board (PCB) design Experience building and operating high vacuum systems

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Your responsibilities will include: Identifying feasible thermal architectures and maturing designs through conceptual, preliminary, and detailed design phases using practical passive and active thermal control techniques. Taking charge of design trades that successfully balance performance margins, resource use, risk, cost, and schedule. Performing thermal analysis to varying degrees of fidelity (simplified to detailed) on a variety of different types of hardware such as propulsion components, batteries, high-powered electronics, RF components, mechanisms, and printed circuit boards (PCBs). Designing, evaluating, procuring, and testing thermal solutions such as heaters, heat pipes, thermal interface materials, and surface coatings. Developing processes and procedures for integration and assembly which ensure thermal design intent is met. Collaborating with the integration and test team in the installation of thermal hardware as needed. Planning and running thermal vacuum testing and verification at the component and spacecraft level. Mentoring and supporting junior engineers. Assisting in recruiting, interviewing, and hiring additional teammates to our rapidly-growing team.

Requirements include: Bachelor of Science degree in engineering or physics. 6+ years of experience in a thermal/mechanical role. Experience in thermal analysis and thermally-constrained design; computational thermal design experience (finite methods) is not required but highly preferred. Proficiency with mechanical CAD. A passion and enthusiasm for hardware development, including working in a fast-paced environment and hands-on design and development.

Bonus experience includes: Thermal Desktop. ANSYS Mechanical or ANSYS IcePak. Electronics Packaging and Printed Circuit Board (PCB) design. Building and operating high vacuum systems. Designing for a vacuum environment or environments with large temperature swings.

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You will develop, maintain and teach others about design methods and best practices, perform spacecraft-level design tasks such as waveguide routing and panel configuration, and manage spacecraft bills of material and change orders in conjunction with the vehicle engineering, production and supply chain teams.

Key responsibilities include:

• Managing configuration of top-level spacecraft assemblies in CAD and creating and maintaining bills of material for assemblies to transfer to production
• Developing and documenting best practices for design
• Teaching and mentoring others in design and drawing best practices
• Managing the programs and procedures that govern how CAD interacts with PLM

Requirements include:

• 5+ years of experience in a design role and expertise in mechanical CAD
• Experience with design and production of complex assemblies
• Robust knowledge of SolidWorks
• Working knowledge and experience in PDM Administration
• Mastery of GD+T and engineering drawings

Bonus requirements include:

• Expertise of SolidWorks
• Experience in design of spaceflight components and/or vacuum compatible systems
• Experience designing and routing harnesses, waveguides and/or pipes
• Experience with surface modeling
• Experience with Arena

We offer a compensation package that includes equity and robust benefits. Base pay is just one component of Astranis's total rewards package. Your compensation also includes a significant equity package via incentive stock options, high-quality company-subsidized healthcare, disability and life insurance, 401(k) retirement planning, flexible PTO, and free on-site catered meals.

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Role: Create thermal models of varying complexity and fidelity in Thermal Desktop and/or ANSYS Mechanical Perform high-fidelity thermal analysis on critical hardware including propulsion systems, RF payloads, batteries, and PCBs Refine and enforce analysis best practices among the thermal team, owning the framework for model reviews, file management and analysis quality Make strategic decisions on analysis fidelity (simplified to detailed) based on project needs Collaborate with mechanical designers to identify feasible thermal architectures during conceptual and preliminary design phases, using analysis to drive decision-making Correlate thermal models to ground thermal vacuum test data as well as on-orbit thermal data from our operating fleet of spacecraft Mentor and support junior engineers, hold training sessions and support the improvement of team analysis practices Assist in recruiting, interviewing, and hiring additional teammates to our rapidly-growing team

Requirements: Bachelor of Science degree in engineering or physics 6+ years of experience in a thermal/mechanical role Expert-level proficiency in Thermal Desktop and/or ANSYS Mechanical or Icepak; comfortable debugging complex models and customizing solver inputs Experience performing model correlation for complex system level thermal models A deep, fundamental understanding of heat transfer (radiation, conduction, and convection) and thermodynamics Proficiency with mechanical CAD Ability to distill complex analysis data into clear recommendations for the design team

Bonus: Experience using Python, MATLAB, or Fortran to automate analysis generation, post-processing, or link thermal models with other physics solvers Specific experience with PCB-level thermal analysis (trace mapping, component-level modeling) Experience analysing for the space environment Experience physically setting up and running Thermal Vacuum (TVAC) tests

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