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 work together with various other teams at Astranis to make these a reality. In addition to being a significant individual on your own, you will mentor and train junior mechanical engineers on such projects.

Key responsibilities include:

• Complete ownership of product outcomes for spaceflight hardware, with a focus on high frequency active and passive RF and digital electronics
• Develop requirements for subsystems and components including loads, interfaces, and functional requirements
• Perform mechanical design and analysis of complex electronics enclosures to satisfy launch and on-orbit requirements
• Develop and define design best practices for future programs
• Manage system level schedule and integration requirements for your components while working together with the Assembly, Integration, and Test team to enable a smooth build process

Requirements include:

• B.S. or M.S in mechanical, electrical, aerospace engineering, or equivalent
• 4 - 15+ years of mechanical design or equivalent experience
• 3+ years designing, analyzing, and testing active or passive high frequency RF electronics packages
• Familiarity with chip and wire and splitblock construction
• Strong CAD design and Finite Element analysis skills
• Experience with GD&T and designing for manufacturability
• Demonstrated ability to personally design, evaluate, and procure complex mechanical assemblies with 30-40 components in aerospace or similar
• A passion for hardware development, including working in a fast-paced environment with hands-on design and development
• A motivated leader who has experience mentoring and supporting junior engineers

Bonus requirements include:

• Experience with Ku, Ka, and Q/V band electronics package development for space missions
• Experience with thermal analysis and thermal management techniques for RF electronics in space applications, including with heat pipes
• Experience with vibration environments and mechanical testing on spacecraft components
• Experience with brazed construction techniques for RF packages
• Experience in synthesizing requirements and flowing them down to sub-scale verification builds and testing

What we offer:

• All our positions 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
• Astranis pay ranges are informed and defined through professional-grade salary surveys and compensation data sources
• The actual base salary offered to a successful candidate will additionally be influenced by a variety of factors including experience, credentials & certifications, educational attainment, skill level requirements, and the level and scope of the position

Base Salary: $145,000-$195,000 USD

U.S. Citizenship, Lawful Permanent Residency, or Refugee/Asylee Status Required (To comply with U.S. Government space technology export regulations, applicant must be a U.S. citizen, lawful permanent resident of the United States, or other protected individual as defined by 8 U.S.C. 1324b(a)(3))

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Develop Space-Based cutting-edge infrared sensors.

Design high-precision and complex space opto-mechanical systems.

Develop and perform testing to show proof-of-design and/or qualification of new designs.

Utilize first principles physics as a basis for all decisions.

Build prototypes, analyze failures, and transition successful projects into production.

Support critical hardware demonstrations with customers as needed.

Execute in-depth and rigorous opto-mechanical and electro-mechanical designs.

Required qualifications include a Bachelor's in mechanical engineering (BSME), or MS with 5 plus years of experience in design, hardware, or integrated product development and testing, and excellent leadership/communication.

Prior or current experience with spaceflight imaging applications, especially related to optical systems, is preferred.

Proficiency in various CAD tools and openness to using new software, with the ability to create high-quality engineering drawings that meet industry standards.

Strong skills in material selection, finishing, component sizing, system design, and troubleshooting.

Exceptional analytical, troubleshooting, and root-cause analysis skills.

Demonstrated hands-on fabrication skills.

Ability to integrate electronic components into mechanical designs (motors, controllers, sensors, etc.).

Experience with machining and fabrication processes, sheet metal, injection molding, and 3D printing.

Knowledge of industry standards (e.g., ASME Y14.5 GD&T) and regulatory requirements.

Ability to drive projects from concept to completion.

Excellent written and verbal skills for documentation, presentations, and collaboration.

Eligible to obtain and maintain an active U.S. Secret security clearance.

Preferred qualifications include experience with complex optical system design, analysis, testing, and implementation, experience in working with engineering teams from conceptual through detailed design phases, and experience in design of space-based mechanical structures, mechanisms, and electronics packaging along with engineering drawing development.

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