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Senior Spacecraft Thermal Engineer


Job Location:

El Segundo, CA - USA

Monthly Salary: $ 151300 - 226900
Posted: 16 May 2026 (30+ days ago)
Application Deadline: 13 August 2026
Vacancies: 1 Vacancy
The job posting is outdated and position may be filled

Job Summary

The Aerospace Corporation is the trusted partner to the nations space programs solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC) we are broadly engaged across all aspects of space delivering innovative solutions that span satellite launch ground and cyber systems for defense civil and commercial customers. When you join our team youll be part of a special collection of problem solvers thought leaders and innovators. Join us and take your place in space.

The Vehicle Systems Division (VSD) sits at the center of the ideas and data behind current and future systems supplying innovative research and development; technical evaluations during the acquisition process; conceptual and detailed design; assembly integration and test; and operational support. Comprised primarily of highly-trained mechanical and aerospace engineers VSD provides national expertise in the areas of vehicle engineering; guidance navigation and controls; robotics; electro-mechanical devices; embedded systems; fluid mechanics; propulsion; thermal control; orbital mechanics; mechanisms; structures; structural dynamics; and dynamic environments.

The Thermal Control Department is a team of experienced trusted engineers with deep expertise in the design and analysis of spacecraft thermal control systems from component to system level. The department performs technical studies experimental investigations and real-time assessments to inform and enable key decisions by our customers and their contractors.

We are looking for a Senior Spacecraft Thermal Engineer (Senior Engineering Specialist - Aeronautical and Mechanical Engineering) with a strong background in the disciplines of heat transfer and thermal engineering and their applications to space systems and direct experience in thermal design and control of spacecraft. The successful applicant will support both classified and unclassified spacecraft programs with emphasis on classified systems. They will engage and advocate for the best solutions best practices and best innovations for critical thermal control issues across the enterprise both inside and outside Aerospace.

This is a full-time position based in El Segundo CA. requiring at least 4 days onsite.

What Youll Be Doing

  • Key customers are internal program offices representing defense and civil agencies such as the U.S. Space Force the National Reconnaissance Office (NRO) the National Aeronautics and Space Administration (NASA) and others

  • You will engage with impact with these internal and external customers to identify track and resolve design workmanship and performance issues relating to space vehicle and payload thermal control subsystems

  • You will deliver results as the thermal subject matter expert in thermal control systems for spacecraft and payloads. Lead and conduct analysis modeling simulation experimental investigations and assessments of designs and design concepts relating to spacecraft thermal control systems and their components

  • Participate in and review thermal subsystem requirements allocations design integration test and flight operations

  • You will operate strategically curating department knowledge and capabilities in thermal systems engineering thermal analysis and design and/or thermal control hardware

  • You will provide thermal engineering technical leadership of teams of 3 or more people in support of programs inter-department projects and broad engagement efforts

What You Need to be Successful

Minimum Requirements:

  • Bachelors degree in mechanical engineering aerospace engineering or related technical discipline

  • 10 years thermal engineering experience

  • Experience providing thermal engineering support at a system level for at least 2 different spacecraft programs encompassing all major phases (e.g. Architecture Design Manufacturing Test Flight) for each program

  • Experience leading integrated-team thermal engineering efforts: innovation projects concurrent engineering digital engineering vehicle-level thermal design hosted or multiple-payload missions anomaly and root-cause investigation involving 2 or more people

  • Ability to obtain and maintain a US security clearance which is issued by the US citizenship is required

How You Can Stand Out

It would be impressive if you have one or more of these:

  • M.S. or Ph.D. in mechanical or aerospace engineering or closely related field with emphasis in heat transfer or thermal sciences

  • 12 years direct spacecraft thermal engineering experience

  • Deep knowledge of cryogenics two-phase thermophysics or thermodynamics.

  • Experience in adjacent engineering disciplines for spaceflight hardware: systems engineering control systems fluid or propulsion systems power systems flight software and telemetry systems integration and test

  • Demonstrated ability to conduct and lead research and development tasks

  • Current and active TS/SCI clearance (SSBI)

We offer a competitive compensation package where youll be rewarded based on your performance and recognized for the value you bring to our business. The grade-based pay range for this job is listed below. Individual salaries within that range are determined through a wide variety of factors including but not limited to education experience knowledge and skills.

(Min - Max)

$151300.00 - $226900.00

Pay Basis: Annual

Leadership Competencies

Our leadership philosophy is simple: every employee regardless of level and role can demonstrate leadership. At Aerospace our commitment is our people. To cultivate our talent and ensure that we have a strong pipeline of future leaders we want individuals who:

  • Operate Strategically
  • Lead Change
  • Engage with Impact
  • Foster Innovation
  • Deliver Results

Ways We Reward Our Employees

During your interview process our team will provide details of our industry-leading benefits.

Benefits vary and are applicable based on Job Type. A few highlights include:

  • Comprehensive health care and wellness plans

  • Paid holidays sick time and vacation

  • Standard and alternate work schedules including telework options

  • 401(k) Plan Employees receive a total company-paid benefit of 8% 10% or 12% of eligible compensation based on years of service and matching contributions; employees are immediately eligible and vested in the plan upon hire

  • Flexible spending accounts

  • Variable pay program for exceptional contributions

  • Relocation assistance

  • Professional growth and development programs to help advance your career

  • Education assistance programs

  • An inclusive work environment built on teamwork flexibility and respect

We are all unique from various backgrounds and all walks of life yet one thing bonds all of us to each otherthe belief that we can make a difference. This core belief empowers us to do our best work at The Aerospace Corporation.

Equal Opportunity Commitment

The Aerospace Corporation is an equalopportunity employer. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race age sex (including pregnancy childbirth and related medical conditions) sexual orientation gender gender identity or expression colorreligiongeneticinformation marital status ancestry national origin protected veteran status physical disability medical condition mental disability or disability status and any other characteristic protected by state or federal law. If youre an individual with a disability or a disabled veteran who needs assistance using our online job search and application tools or need reasonable accommodation to complete the job application process please contact us by phone at 310.336.5432 or by emailat .You can also reviewKnow Your Rights: Workplace Discrimination is Illegal.


Required Experience:

Senior IC


About Company

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Aerospace operates the only federally funded research and development center (FFRDC) committed exclusively to the space enterprise. Our technical experts span every discipline of space-related science and engineering.

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