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Senior Thermal Engineer

Join CesiumAstro as a Senior Thermal Engineer to design and validate thermal control systems for next-generation aerospace products.

Location
Westminster, CO, United States
Compensation
Not disclosed
Level
senior
Type
full time

Posted by employer 1 day ago

First seen on Joblaze 1 day ago

Last verified on the company career page 1 day ago

Apply at CesiumAstro → Save job Scanned from cesiumastro.com

What you'll build

  • design thermal control systems
  • analyze thermal management systems
  • validate thermal designs
  • present engineering design review materials
  • participate in proposal-writing efforts

Must have

  • extensive experience in thermal management systems
  • deep knowledge in space and aerospace thermal environments

Practical constraints

  • must be a U.S. citizen or lawful permanent resident

Requirements

Visa
No sponsorship (stated in posting)

Not disclosed in this posting: compensation, years of experience, work arrangement.

Joblaze summary

The Senior Thermal Engineer at CesiumAstro focuses on designing, analyzing, and validating thermal control systems for advanced aerospace products. This role requires a strong background in thermal management for spacecraft and airborne systems, along with proficiency in simulation and analysis tools. Ideal candidates are seasoned professionals who thrive in a startup environment and can effectively communicate technical concepts to both customers and management. The position involves collaboration with a cross-functional team, emphasizing hands-on work and innovative problem-solving.

Joblaze insights

  • Listed yesterday — first seen on Joblaze October 7, 2026. Last confirmed on CesiumAstro's careers page October 7, 2026.
  • This exact title is also open at 1 other location at CesiumAstro: Westminster, CO.
  • satellites appears in 0.4% of 2441 comparable senior other roles in United States; Spacecraft appears in 0.1% of 2441 comparable senior other roles in United States.

Quick facts

What's the tech stack?
Joblaze extracted these technologies from the posting: Aerospace Systems, Spacecraft, Thermal management, satellites.
What seniority level is this role?
CesiumAstro targets senior candidates for this position.
Is this full-time or contract?
Full-time for this Senior Thermal Engineer role at CesiumAstro.

From the original posting

Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.   At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team. We are looking to add a Senior Thermal Engineer to our team. If you enjoy working in a startup environment and are passionate about developing leading-edge hardware for satellites, spacecraft, and aerospace systems, we would like to hear from you.    In this position, you will be responsible for the design, analysis, and validation of thermal control systems for Cesium’s next-generation products. The ideal candidate will combine extensive experience in developing and analyzing thermal management systems for spacecraft, satellite electronics, and airborne systems with deep knowledge in space and aerospace thermal environments.    As a senior member of a cross-functional team, you will be responsible for thermal designs from initial concept design through requirements definition, detailed design, simulation/analysis, manufacturing, testing, qualification of Cesium’s products. You will work closely with other electrical and mechanical engineers on an integrated team to develop highly optimized solutions.    The successful candidate will also present engineering design review materials to customers and upper management, as well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills are required.

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