Senior/Principal Spacecraft Thermal Engineer (Remote)
$140k - $175kJuniper
Senior/Principal Spacecraft Thermal Engineer (Remote)
Fully Remote
Pay: $140k-$175k base + Bonus + Generous benefits (medical, dental, vision) + 401k w/ matching + 4 weeks PTO
We do have locations in Anaheim, CA and Lancaster, PA (if you're local, you can be hybrid ~1 a week if you'd like but not required, Remote work is fine)
We design and manufacture system-level thermal solutions, partnering with customers for over 20 years across aerospace, defense, medical, industrial, and government R&D sectors.
Our technologies support mission-critical applications ranging from spacecraft thermal management to precise temperature control in surgical environments, operating across extreme conditions from -150°C to 1,100°C.
Position Summary
We are seeking an experienced Spacecraft Thermal Engineer to support thermal and mechanical design for spacecraft and spaceflight hardware. This role partners with engineering and manufacturing teams from early trade studies through detailed analysis, prototyping, and flight hardware.
Responsibilities
- Perform spacecraft thermal and mechanical analysis and design.
- Develop thermal models and evaluate thermal control systems, radiators, and heat rejection strategies.
- Analyze component temperatures across mission and orbital environments.
- Support prototype and flight hardware development.
- Collaborate with multidisciplinary engineering and manufacturing teams.
- Review technical documentation and provide design recommendations.
- Mentor junior engineers and support complex space programs.
Qualifications
- B.S. or M.S. in Mechanical or Aerospace Engineering.
- 7+ years of engineering experience.
- Strong heat transfer and thermal analysis fundamentals.
- Experience with spacecraft thermal design and troubleshooting.
- Proficiency with CAD, FEA, and CFD tools; Thermal Desktop strongly preferred.
- Spacecraft mission and subsystem experience preferred.
- Strong communication, problem-solving, and teamwork skills.
Program Experience
Opportunity to support CubeSats, SmallSats, LEO/GEO satellites, satellite constellations, scientific spacecraft, and advanced thermal control systems - with analysis directly informing the design and development of flight hardware.
Benefits:
- Full REMOTE
- $140k-$175k base salary + bonus/profit sharing
- Excellent benefits: Medical, Dental, Vision
- 4 weeks PTO + 10 paid holidays (80 hours)
- 401(k) with matching
- Company paid life & disability insurance
$132.4k - $251.6k
...than 100 years of experience and renowned engineering expertise to meet the needs of today’s... ...Southwest) department is currently seeking a Spacecraft Concept & Mission Engineer to support... ...is designated as on-site, hybrid or remote.The salary range for this role is 132,40...Remote workPrincipalSeniorTemporary workWork experience placementWork at officeLocal areaFlexible hours$151.3k - $226.9k
...trained mechanical and aerospace engineers, VSD provides national... ...fluid mechanics; propulsion; thermal control; orbital mechanics; mechanisms... ...the design and analysis of spacecraft thermal control systems from... .... We are looking for a Senior Spacecraft Thermal...Remote workSeniorFull timeFor contractorsWork at officeImmediate startRelocation packageFlexible hours- ...The Role We are seeking a highly-motivated and hands-on Senior Spacecraft Thermal Engineer to join our growing team. In this role, you’ll design and... ...or in a hybrid work setup with the flexibility to work remotely part of the week. We require a minimum of 3 days per week...Remote workSeniorWork at officeLocal areaFlexible hours3 days per week
$132.4k - $251.6k
...the future of aerospace and defense.We are looking for a Senior Principal Systems Engineer with a passion for avionics systems engineering, a high degree... ...of whether the role is designated as on-site, hybrid or remote.The salary range for this role is 132,400 USD - 251,600...Remote workPrincipalSeniorTemporary workWork experience placementFlexible hours$130k - $180k
...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...SeniorPermanent employmentFull timeWork at office$102k - $150k
Spacecraft Thermal Engineer (Mid to Senior Career) - Millennium Space Systems Company: Millennium Space Systems Job Description Millennium Space Systems, a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on...SeniorPermanent employmentInterim roleCurrently hiringRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift work- ...about challenging assumptions and reimagining how work gets done. Engineers define intent, author precise specifications, and orchestrate... ...leads and delivers the development of innovative and compliant thermal design solutions, as well as cross-functional interfaces for...PrincipalSenior
- ...Role Our client, a pioneering force in renewable energy technology, is actively seeking a highly experienced Senior Thermal Engineer to join their fully remote engineering department. This role is paramount to the success of developing next-generation energy storage solutions...Remote workSeniorWork from homeHome office
- Firefly Senior Thermal Engineers provide technical leadership for spacecraft thermal analysis across multiple vehicle programs. They develop analytical approaches for complex thermal challenges, establish modeling strategies, mentor engineers, and influence major program...Senior
- Viasat is seeking a highly experienced Thermal Engineer to lead the thermal analysis, design, and qualification of spacecraft thermal control systems for next-gen satellites. You will develop models and control solutions to keep hardware within operating temperatures through...Senior
- Blue Origin seeks an experienced Thermal Engineer to lead analysis for the MK1 Lunar Lander, covering components, vehicle, and mission environments from launch to lunar surface. You will develop Thermal Desktop models, run worst-case scenarios, and post-process results...Senior
- Observable Space in Los Angeles is seeking a hands-on Senior Spacecraft Thermal Engineer to design and develop thermal control systems for telescope platforms and spacecraft. You will work with a multidisciplinary team to ensure thermal stability and performance for ground...Senior
- Axiom Space is seeking a Senior Thermal Analysis Engineer to develop and analyze spacecraft thermal models using SINDA/FLUINT and Thermal Desktop. You will design thermal control solutions for station subsystems, select materials, and validate models with test data under...Senior
- AST SpaceMobile in Florida is seeking a Senior Thermal Engineer to protect the thermal performance of a space-based communications system. The role focuses on on-orbit operations, analysis, and anomaly resolution, requiring a disciplined, detail-oriented engineer who can...Senior
- ...challenging assumptions and reimagining how work gets done. Engineers define intent, author precise specifications, and... ...maintaining what's been done before, you'll find your place here.Thermal Senior Principal Engineer Join us as a Thermal Senior Principal Engineer on...PrincipalSenior
- ...Job Description Senior/Principal Software Engineer Hybrid 3x per week in San Diego, CA; no potential for fully remote A venture-backed medical device startup in San Diego is hiring a Senior Software Engineer to join its team as a hands-on technical leader....Remote workPrincipalSeniorWork visa
- ...Serving as a senior scientific subject matter expert, the full-time Senior Principal Scientist will provide expert technical assessment... ...gene therapy, while working remotely. Key responsibilities... ...in a relevant scientific or engineering discipline preferred; Bachelor...Remote workPrincipalSeniorFull time
- AST SpaceMobile is pursuing a Senior Thermal Engineer to ensure the thermal performance of a space-based communications system. The role emphasizes on-orbit operations, analysis, and anomaly resolution, requiring independent work and strong cross-functional collaboration...Senior
$124k - $242k
...challenging assumptions and reimagining how work gets done. Engineers define intent, author precise specifications, and... ...us and help build the future of enterprise technology. Senior Principal Systems Thermal Engineer AI InfrastructureThermal Engineering leads and...PrincipalSeniorRelocation package$183k - $198k
...Muons Space is hiring a Senior Thermal Engineer to own instrument-level thermal engineering across... ...verification end-to-end — while contributing to spacecraft-level thermal balance. You'll be a... ...-to-orbit and superior constellation remote sensing performance. Our state-of-the-...Remote workSeniorPermanent employmentFull timeTemporary workWork at officeFlexible hours3 days per week$142.2k - $213.4k
...Sr Principal Engineer Aeronautical - Hydraulics Responsible Engineer (Level 4)At Northrop Grumman, our employees have incredible opportunities... ...to work full-time, on-site at our facility. There is no remote / hybrid / telework available for this position. Travel up to...Remote workPrincipalSeniorFull timeWork at officeShift work$106.8k - $133.4k
...-based management decisions. Excellent negotiation and conflict resolution skills. Workstyle This is an onsite job. One remote workday per week may be possible with prior departmental approval. Other Physical Requirements: Sitting 80%, Standing 5%, Walking...Remote workPrincipalSeniorFull timeTemporary workWork experience placementRelocation package- ...Siemens invites a Senior Principal Product Manager to shape the strategy and architecture for... ...-native product domain. You will guide engineering, ML, design, and hardware teams to invent... ...level view of AI product development. Remote work is available, and you will lead...Remote workPrincipalSenior
- ...MiniMed is seeking a Senior Principal IP Counsel to provide strategic IP advice across mergers & acquisitions, litigation, licensing, and IP agreements. You will collaborate with R&D and business teams to align IP strategies with company objectives, lead high-stakes disputes...Remote jobPrincipalSenior
- ...Siemens AG in California is seeking a Senior Principal Product Manager to define strategy and architecture for an AI-native platform, working across engineering, ML, design, and hardware to create novel interfaces and experiences. This high-ambition role requires moving...Remote jobPrincipalSenior
- ...Siemens AG is seeking a Senior Principal Product Manager to define strategy and architecture for... ...AI-native platform, collaborating with engineering, ML, design, and hardware teams. The... ...product development. The position is remote and requires leading initiatives with significant...Remote jobPrincipalSenior
- ...Role Senior Principal Statistician within Johnson & Johnson's Discovery Oncology Statistics team, providing strategic statistical leadership... ...analytics, AI/ML applications, multi-omics, international travel (10-15%), remote work possibilities. #J-18808-Ljbffr...Remote workPrincipalSenior
$300k
...several prestigious awards, such as Best Engineering Team, Best Company for Diversity,... ...Description *This is an on-site role - remote applicants must be willing to relocate... ...ll Work With Arista seeks to add a Senior Thermal Engineer to address thermal engineering...Remote workSeniorRelocation$120.4k - $150.5k
...Future! Job Purpose ~ This position will establish and lead engineering and technical development targeted for the U.S. space industry... ...international. Workstyle ~ This is an onsite job. One remote workday per week may be possible with prior departmental...Remote workPrincipalSeniorFull timeTemporary workWork experience placementRelocation package$180k
...scale and capital efficiency no one else can match. As a Senior Thermal Engineer at Uber AV Labs, you will own thermal design, validation,... ...collaboration and Uber's culture. Unless approved for full remote work, employees must spend at least 50% of their time in-office...Remote workSeniorFull timeWork at office
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior/Principal Spacecraft Thermal Engineer (Remote). Be the first to apply!
- principal developer Lancaster, PA
- principal engineer Lancaster, PA
- hotel chief engineer Lancaster, PA
- general engineer Lancaster, PA
- data center chief engineer Lancaster, PA
- engineering director Lancaster, PA
- chief engineer Lancaster, PA
- international tax senior Lancaster, PA
- senior network engineer remote Lancaster, PA
- senior manager legal Lancaster, PA






