Thermal Engineer

Welcome to Planet. We believe in using space to help life on Earth.

Planet designs, builds, and operates the largest constellation of imaging satellites in history. This constellation delivers an unprecedented dataset of empirical information via a revolutionary cloud-based platform to authoritative figures in commercial, environmental, and humanitarian sectors. We are both a space company and data company all rolled into one.

Customers and users across the globe use Planet's data to develop new technologies, drive revenue, power research, and solve our world’s toughest obstacles.

As we control every component of hardware design, manufacturing, data processing, and software engineering, our office is a truly inspiring mix of experts from a variety of domains.

We have a people-centric approach toward culture and community and we strive to iterate in a way that puts our team members first and prepares our company for growth. Join Planet and be a part of our mission to change the way people see the world.

Planet is a global company with employees working remotely worldwide and joining us from offices in San Francisco, Washington DC, Germany, Austria, Slovenia, and The Netherlands.

About The Role

The Thermal team at Planet is seeking a Thermal Engineer to help drive the thermal design analysis and testing of our spacecraft and their subsystems. As a thermal engineer you will foster the improvement of spacecraft thermal designs, from inception and design efforts and subsystems to the entire spacecraft. The ideal candidate is passionate about Planet’s mission and thrives in a people-oriented environment. This role will appeal to candidates who are looking for opportunities to help Planet take their satellite designs and production to a new level by bringing new technology to our company. As a member of the Thermal Engineering team within Planet’s Space Systems division, you will be a contributor and stakeholder in Planet’s agile aerospace approach to spacecraft design; you will work closely with the Mechanical Engineering, Electrical Engineering, Qualification, Mission Operations and Manufacturing teams, as well as the rest of Planet’s leading-edge spacecraft design teams.

This is a full‑time, hybrid role which will require you to work from our San Francisco office 3 days per week.

Impact You'll Own

• Own the thermal design on key spacecraft subsystems across Planet’s satellite fleet.
• Collaborate with electrical and mechanical engineers to derive requirements that drive the thermal design.
• Ensure that all components of our spacecraft are within their operational and survival temperature ranges throughout all phases of the mission.
• Collaborate with optical and mechanical engineers to ensure optical requirements are met.
• Drive part / assembly thermal analysis on key spacecraft subsystems to meet temperature requirements.
• Oversee quality of our space hardware as it’s being built.
• Develop sub‑contracts and Interface Control Documents (ICDs) for thermal hardware fabrication as needed.
• Support test planning and qualification campaigns by developing tests that validate the thermal performance of your designs.
• Support ICD development by ensuring the thermal interfaces are sufficiently well defined for mission success.
• Own thermal hardware configuration management and release to production.
• Collaborate with mission operation engineers to ensure proper mission design and flight operational and survival temperatures.
• Collaborate with the guidance, navigation and control engineers to ensure proper mission design and thermal modeling inputs.

What You Bring

What Makes You Stand Out

Application Deadline

February 3rd, 2026, 11 : 59 pm PST

EAR / ITAR Requirements

This position requires access to export‑controlled information, and as such, employment (or hiring of a contractor) is contingent upon the candidate’s ability to access all applicable export‑controlled information without additional export licensing being required by the Bureau of Industry and Security and / or the Directorate of Defense Trade Controls.

Benefits While Working at Planet

Compensation

The US base salary range for this full‑time position at the commencement of employment is listed below. Additionally, this role might be eligible for discretionary short‑term and long‑term incentives (bonus and equity). The final salary range is determined by job related experience, skills and location. The range displays our typical hiring range for new hire salaries in US locations only. Your recruiter can share more about the specific salary range for your preferred location during the hiring process.

San Francisco Salary Range

$101,400—$126,800 USD

Why We Care So Much About Belonging

We’re dedicated to helping the whole Planet, and to do that we must strive to represent all of it within each of our offices and on all of our teams. That’s why Planet is guided by an ultimate north star of Belonging—dreaming big as we approach our ongoing work. If this job intrigues you, but you’re thinking you might not have all the qualifications, please… do apply! At Planet, we are looking for well‑rounded people from around the world who can contribute to more ways than just what is listed in this job description. We don’t just fill positions, we aspire to fulfill people’s careers, most excited about folks who are motivated by our underlying humanitarian efforts. We are a few orbits around the sun before we get to where we want to be, so we hope you’re excited to come along for the ride.

EEO Statement

Planet is committed to building a community where everyone belongs and we invite people from all backgrounds to apply. Planet is an equal opportunity employer, and committed to providing employment opportunities regardless of race, religious creed, color, national origin, ancestry, physical disability, mental disability, medical condition, genetic information, marital status, sex, gender, gender identity, gender expression, pregnancy, childbirth and breastfeeding, age, sexual orientation, military or veteran status, or any other protected classification, in accordance with applicable federal, state, and local laws. Know Your Rights.

Accommodations

Planet is an inclusive community and we know that everyone has their own needs. If you have a disability or special need that requires accommodation during the hiring process, please reach out to accommodations@planet.com or contact your recruiter with your request. Your message will be confidential and we will be happy to assist you.

Privacy Policy

By clicking “Apply Now” at the top of this job posting, I acknowledge that I have read the Planet Data Privacy Notice for California Staff Members and Applicants, and hereby consent to the collection, processing, use, and storage of my personal information as described therein.

Privacy Policy (European Applicants)

By clicking “Apply Now” at the top of this job posting, I acknowledge that I have read the Candidate Privacy Notice GDPR Planet Labs Europe, and hereby consent to the collection, processing, use, and storage of my personal information as described therein.

AI in Our Interviewing Process

Planet is committed to providing an exceptional interview experience for all candidates. We are currently exploring AI interviewing technologies to better focus on candidates and less on trying to capture notes. As such, with the candidate’s consent, select interviews may be recorded and include a Planet AI Notetaker for transcription and summarization purposes. Should an interview involve use of AI interview technologies, the candidate will receive notification and have the ability to opt out both in advance and / or real‑time. Opting out will not affect one's candidacy.

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