# Thermal Engineer at Astranis > United States · Unspecified · Software engineering · open. Source: https://alderhq.app/jobs/greenhouse%3Aastranis%3A4349267006 (read 2026-11-05). ## Facts (observed) - Company: [Astranis](https://alderhq.app/companies/astranis) - Location text: San Francisco; San Francisco - Where it can be done from (inferred): United States (evidence: "Location: San Francisco; San Francisco") - Posted: 2024-03-18 (962 days ago) - First seen by alder: 2026-11-02 · last verified: 2026-11-04 - Reposted: 0 times · edited: 0 times - Apply on the employer's site: https://job-boards.greenhouse.io/astranis/jobs/4349267006 ## Pay and sponsorship - Posted pay: $130k–$165k per year (from the listing's pay field) - Market band for similar posted roles (SF Bay Area, n 1495): p25 $161k, median $200k, p75 $247k ## Description (the employer's text) Astranis builds advanced satellites for high orbits, expanding humanity’s reach into the solar system. Today Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe – large enterprises, sovereign governments, and the US military. With five satellites on orbit and many more set to launch soon, the company is servicing a backlog of more than $1 billion of commercial contracts. Astranis is the preferred satellite communications partner for buyers with stringent requirements for uptime, data security, network visibility, and customization. Astranis has raised over $1.2 billion from some of the world’s best investors, including Andreessen Horowitz, Baillie Gifford, Blackrock, Fidelity, Franklin Templeton, and Snowpoint, and employs a team of 500 engineers and entrepreneurs. Astranis designs, builds, and operates its satellites out of its 153,000 sq. ft. headquarters in Northern California, USA. ### Thermal Engineer As an Astranis Thermal Engineer, you will design, evaluate and test thermal solutions ranging from electronic chips to full spacecraft thermal vacuum tests. You must have a strong problem-solving background as well as hands-on testing skills. Experience with spacecraft or printed circuit board thermal mitigation are benefits but not required. ### Role - 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 ### Requirements - Bachelor of Science degree in engineering or physics - 2+ 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 - Don't meet them all? Not a problem. Please apply even if you do not meet all these criteria. ### Bonus - Experience with Thermal Desktop - Experience with ANSYS Mechanical or ANSYS IcePak - Experience with Electronics Packaging and Printed Circuit Board (PCB) design - Experience building and operating high vacuum systems - Experience designing for a vacuum environment or environments with large temperature swings ### 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 $130,000—$165,000 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)) --- Data: alder (https://alderhq.app). Cite https://alderhq.app/jobs/greenhouse%3Aastranis%3A4349267006 and the date you read it. Observed facts come from the employer's own listing; location reach, level, family and skills are inferences.