Senior Spacecraft Thermal Engineer
$130k - $180kAstro Digital
Astro Digital designs, builds, and operates a diverse range of small satellite systems supporting space-based turnkey missions for several business applications, including earth observation, communications, in-orbit demonstrations, risk reduction, science, and exploration. Astro Digital is headquartered in Santa Clara, California with roughly 100 employees and infrastructure around the globe.
Position Summary
The Senior Spacecraft Thermal Engineer is responsible for thermal analysis and thermal related support of all classes of Astro Digital bus.
The ideal candidate is a meticulous, self-motivated thermal engineer with deep experience in thermal analysis of spacecraft both at the system and unit level. He or she would be comfortable performing the following:
- Building both spacecraft system level and unit level models as required using Thermal Desktop
- Working with other disciplines to gather requirements and inputs necessary to complete spacecraft thermal analysis
- Presenting results in an efficient manner, identifying if requirements are met and viable solutions if not – thermal coatings, interface materials, heaters, straps, sensors, etc.
- Working with test engineers to design and execute TVAC tests
Increase your chances of reaching the interview stage by reading the complete job description and applying promptly.
Minimum Qualifications
- BS in Mechanical Engineering, Aerospace Engineering, or closely related field
- 5+ years of experience as a thermal engineer or thermal analyst in the aerospace field using Thermal Desktop
- Possesses a deep understanding and intuition of thermal environments and effects
- Proficiency building Thermal Desktop models for analysis of spacecraft and subsystems
- Proficiency with performing thermal hand calcs/back of the envelop assessments
- Experience with thermal data post-processing (e.g., temperature data and heater power data) in Excel or Python
- Experience planning and executing thermal vacuum and thermal cycling testing
- Self-motivated work ethic with a desire to learn new aspects of thermal analysis and engineering
- Good written, verbal, and virtual communication skills
- Willingness to travel ~5 times/year to our San Jose, CA office and test facilities
Preferred Qualifications
- MS in engineering directly related to thermal analysis or thermal engineering
- Proficiency with SINDA/FLUINT and Thermal Desktop User Logic
- Experience with correlating thermal models to test data
- Familiarity interacting with version-controlled CAD systems such as Solidworks PDM and Onshape
- Proficiency analyzing electronic components at the board level using Thermal Desktop
- Experience meshing complex geometry using TD Direct or other meshing software for use in Thermal Desktop
- Experience with modeling and implementing advanced thermal control technologies (heat pipes, PCM, TECs, etc.)
- Familiarity with standards such as NASA-STD-7000 (GEVS)
- Familiarity with SpaceX Falcon 9 rideshare requirements
This position requires access to export-controlled commodities, technical data, technology, software, and services. U.S. citizenship, U.S. legal permanent resident status, or protected person status under 22 CFR §120.15 and 8 U.S.C. § 1324b(a)(3) is required. xhyhwjd
Benefits include health, dental, and vision insurance options, 401k matching, 10 floating holidays, 5 sick days, and 3 weeks (15 days) of PTO per year.
Job Type: Full Time
Salary Range: $130k-180k annually depending on experience level
Location: Hybrid (minimum 2x in office weekly) in Littleton, CO with travel 2-3x / year to our San Jose, CA office and test facilities
$140k - $210k
...Rocket Lab is the end-to-end space company building rockets, spacecraft, and critical subsystems that keep the world connected,... ...of the boldest and most ambitious space missions. SENIOR SPACECRAFT GNC ENGINEER II Based out of Rocket Lab’s site in Littleton, CO,...SeniorPermanent employmentFull timeLocal areaFlexible hours$135k - $180k
...applying for this opportunity. Position Summary The Senior Spacecraft Structural Engineer is responsible for static and dynamic structural... ...rideshare requirements Possesses a solid understanding of thermal environments and effects Benefits include health, dental...SeniorPermanent employmentFull time$100k - $137.5k
...end space company building rockets, spacecraft, and critical subsystems that keep... ...and most ambitious space missions SENIOR SPACECRAFT OPERATIONS ENGINEER I Based on site at Rocket Lab’s... ...command and data handling, and thermal control ~ Understanding of the space...SeniorPermanent employmentFull timeLocal areaShift work$160k - $285k
...capabilities for space superiority. We build autonomous spacecraft, advanced payloads, mission software, and space-based interceptors... ....YOUR MISSIONTrue Anomaly is looking for a creative Thermal Engineer at the Senior or Staff level to develop new spacecraft. In this role...SeniorPermanent employment- ...Senior Thermal Engineer – Space & Aerospace You can get further details about the nature of this opening, and what is expected from applicants... ...advanced communications systems for satellites, spacecraft, and airborne platforms. We are seeking a Senior Thermal...SeniorFull time
- General Atomics Electromagnetic Systems (GA-EMS) is seeking a Project Engineering Manager to lead a team of project engineers in Englewood, CO. The role drives multi-disciplinary teams through spacecraft development and operational cycles, reporting to the Space...Senior
- York Space Systems in Greenwood Village, CO is seeking a Senior Embedded Flight Software Engineer to design, develop, test, and deliver mission-critical software for spacecraft systems. This role focuses on real-time and embedded Linux-based flight software, enabling reliable...Senior
$110k - $160k
...goals. We compare with the best version of ourselves What is the role? As a Senior Thermal Engineer, you will be responsible for the thermal engineering activities related to spacecraft design, manufacturing, testing, launch, and operations. Your activity may...SeniorFull timeWork at officeFlexible hours$124k - $155k
...Rocket Lab is the end-to-end space company building rockets spacecraft and critical subsystems that keep the world connected... ...the impossible routine. Come shape the future with us. SENIOR AVIONICS ENGINEER I - MISSION FORMULATION Based out of Rocket Labs site in...SeniorPermanent employmentFull timeWork experience placementLocal area$50 per hour
...across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’... ...built for you.Lockheed Martin Space is seeking a full-time Senior Mechanical Engineer (Thermal Analysis). In this role you will be supporting the...Full timeTemporary workWork experience placementCasual workWork at officeFlexible hoursShift work$50 per hour
...partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re... ...you.Lockheed Martin Space is seeking a full-time Mechanical Engineer (Thermal Analysis). In this role you will be supporting the Orion...Full timeTemporary workWork experience placementCasual workFlexible hours$205.7k - $287.97k
...part of Advanced Concepts and Enterprise Engineering (ACE), supporting Blue Origin’s mission... ...on a space data center - the thermal architecture - responsible for design,... ...control systems for one of the highest-power spacecraft ever built. You will be expected to operate...SeniorPermanent employmentTemporary workLocal areaImmediate start$150.66k - $207.16k
...0840 Do you love bringing "out-there" ideas to life? We are innovators on a mission to unite, explore and inspire. As a Senior Aerospace Engineer, you will serve as a technical authority in the design, development, and testing of cutting-edge aerospace products and systems...SeniorFull timeFor contractorsWork experience placementWork at officeImmediate start- ...San Jose, CA. \n \n Position Summary \n As part of the Spacecraft Integration & Test team, you will join a collaborative group... ...lifecycle. This is an excellent opportunity for an early-career engineer looking for hands-on experience. \n Your primary...Permanent employmentLocal areaRemote work
$84.76k - $129.5k
...You'll spend three days a week in the office, giving you the flexibility to work remotely for two days. This is a senior level mechanical engineering position that will provide you with a variety of interesting and challenging responsibilities. We are looking for...SeniorHourly payWork at officeLocal areaRemote workWorldwideFlexible hours3 days per week$50 per hour
...Experienced ProfessionalFT/PT/Casual: FullTimeDepartment: SpaceBusiness Unit: SpaceStandard Job DescriptionThe Systems Integration & Test Engineering organization within LM Space is searching for a motivated and passionate Systems Integration and Test Engineer to join our...SeniorFull timeTemporary workWork experience placementCasual workFlexible hours$50 per hour
...and around the world. We’re advancing spacecraft and the workforce to fuel the next generation... ...as part of the Orion Production Engineering team. Tasks will include providing timely... ...robots, engines, machines and mechanical, thermal hydraulic or heat transfer systems for...SeniorFull timeTemporary workWork experience placementCasual workFlexible hours$130k - $195k
Company DescriptionJoin SEAKR Engineering, a leading-edge provider of advanced electronics for space applications. Pushing the boundaries... ...until 10/23/26SummaryType: Full-timeFunction: EngineeringExperience level: Mid-Senior LevelIndustry: Aviation And AerospaceSenior$107.9k - $195.05k
...operators have reliable, secure software they can count on when critical decisions need to be made. Leidos is seeking a Senior Test Automation Engineer to help deliver mission-essential software capabilities that enable intelligence professionals to access critical...SeniorContract workLocal areaImmediate startShift work$140k - $204k
Position: Spacecraft Architect (Systems Engineer) (willing to consider all Levels) Location: 8392 S Continental Divide Rd. Suite 109 Littleton, CO Job Id: 3218 # of Openings: 1 At Redwire Space...Permanent employmentLocal area$101.38k - $182.48k
...: ANA United StatesWork Type: HybridDate Posted: 2026-08-28Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets.We are more than 34,000 people, in over 30 countries, dedicated to improving...SeniorFull timePart time- ...Blue Origin seeks a Principal Avionics Hardware Engineer to own the design, development, and testing of spacecraft avionics hardware across the full lifecycle. You will lead power systems design, build harnesses, and prototype electronics in a lab environment, collaborating...Senior
- ...optimization, and EV charging; lighting/LED retrofits, HVAC/mechanical systems, and BMS/BAS improvements and implementation. The Senior Design Engineer (Mechanical) helps clients identify, design, and implement utility and infrastructure improvements. This role solves the...SeniorTemporary workWork at officeLocal areaRemote workFlexible hoursNight shift
- ...Black & Veatch Corporation seeks an Engineering Manager for Solar + BESS Services to lead a multi‑discipline team delivering design, procurement and construction support across diverse projects. You will manage budgets, schedules and client communications while supporting...Senior
$115k - $175k
...contracts. Job Summary: ExoTerra is seeking a full-time Thermal Engineer. The hired employee will be responsible for completing... ...industry standards, of systems ranging from components to entire spacecraft, in order to support design development, verify customer...Permanent employmentFull timeMonday to FridayShift work$125k - $165k
...Thermal Engineer - Own the thermal architecture behind next-generation spacecraft from design through on-orbit operation Denver, Colorado | On-site Opportunity Summary This role will own the thermal architecture and thermal-control strategy for advanced spacecraft...Temporary work- ...our communities, and our planet. If this sparks your interest, you’re in the right place.DLR Group has an opening for a Senior Mechanical Engineer.Location: Denver or PhoenixPosition SummaryAs a Mechanical Engineer, you will be responsible for leading design of mechanical...SeniorWork at office
$50 per hour
...partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re... .... This position will be a key member of the Systems Engineering, Integration and Test (SEIT) team in support of the final design...SeniorFull timeTemporary workWork experience placementCasual workFlexible hours$97k - $160k
This OpportunityWSP is seeking a Senior Surface Water Engineer to join our Denver (South Colorado Boulevard) office. This position is intended for an engineer with approximately 5-7 years of experience who has developed strong technical capabilities in hydrology, hydraulics...SeniorWork at officeLocal area$95.9k - $178.1k
...industries and around the world. We’re advancing spacecraft and the workforce to fuel the next... ...space and find a career that's built for you.Senior Requirements and Verification EngineerLM Space is seeking a Senior Systems Engineer to support the design, development,...SeniorFull timeTemporary workWork experience placementCasual workFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Spacecraft Thermal Engineer. Be the first to apply!
- aerospace test engineer Littleton, CO
- aerospace engineer Littleton, CO
- senior living Littleton, CO
- senior application support engineer Littleton, CO
- senior devops Littleton, CO
- senior performance engineer Littleton, CO
- senior aws cloud engineer Littleton, CO
- senior cybersecurity engineer Littleton, CO
- senior manager Littleton, CO
- senior care Littleton, CO





