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Job Title: Spacecraft Mechanical Subsystem Engineer
Company Name: KBR
Location: El Segundo, CA United States
Position Type: Full Time
Post Date: 06/05/2026
Expire Date: 07/05/2026
Job Categories: Engineering, Government and Policy, Information Technology
Job Description
Spacecraft Mechanical Subsystem Engineer

Title:

Spacecraft Mechanical Subsystem Engineer

Belong. Connect. Grow. with KBR!

KBRs National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the countrys most critical role protecting our national security.

KBR is seeking a motivated and experienced mechanical and electromechanical subsystem engineer to join our team in El Segundo, CA.

KBR is the prime contractor on the Military Satellite Communications (MILSATCOM) Systems Engineering, Integration and Test (MSEIT) contract. By applying to this position, you are in consideration for KBR employment; however, you also have the option to be hired by one of our subcontractor teammates.

The MSEIT effort provides leading-edge Systems Engineering & Integration (SE&I) for the United States Space Forces (USSF)Space SystemsCommand (SSC). We acquire state-of-the-art Military and Commercial Satellite Communications (SATCOM) systems, providing global secure, survivable, and protected communications for our nations warfighters. We seek technical individuals who will thrive in a highly collaborative work environment of small teams, using the most modern tools and methodologies to tackle the challenges of integrating complex space and ground communications systems.

Why Join Us?

  • Innovative Projects:KBRs work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions.
  • Collaborative Environment:Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace.
  • Impactful Work:Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense.

Key Responsibilities:

Provide technical leadership and perform engineering assessments in support of the ESS Program Office for the delivery of electromechanical space vehicle subsystems by the prime contractor.

Lead system-level trades and support the design, integration, and post-payload integration testing of units and subsystems, ensuring technical performance and mission success.

Ensure integrity of the technical design and interface compatibility across the space vehicle, including coordination with ground and terminal segments.

Support component- and unit-level test programs, including space qualification testing to validate survivability in relevant space environments. Develop and review required test documentation, including test plans, procedures, and reports.

Support the overall space vehicle test program, ensuring compliance with environmental and performance requirements. Prepare and maintain comprehensive test documentation, including plans and reports.

Build and maintain strong, collaborative relationships with government customers, prime contractors, and FFRDC partners to effectively coordinate technical activities and resolve issues.

Work Environment:

  • Location: On-site
  • Travel Requirements: Infrequent
  • Working Hours: Full-time, standard work day

Qualifications:

Required:

  • An active Secret Clearance is required for this position
  • Bachelors degree in a technical field, such as engineering, mathematics, physics, orcomputer science
  • 15 years experience with mechanical or electromechanical subsystems
  • Strong interpersonal skills, communication (oral and written), and presentation skills
  • Proficient in Microsoft Office products (Word, Excel, Powerpoint)
  • Requirement to work on site atLAAFB100%. Remote work unavailable
  • Approximately 10% travel within Southern California and CONUS, depending on prime contractor selection of unit suppliers

Desired:

  • TS/SCI clearance
  • Masters degree in a technical field, such as engineering, mathematics, physics, orcomputer science
  • Experience with Military or DOD or IC space systems
  • Experience with MILSATCOM, such as AEHF, PTS, EPS, WGS, and FAB-T terminal programs
  • Experience with space systemsengineering at the unit, subsystem, spacecraft or space vehiclelevels
  • Professional certifications (e.g., PMP, INCOSE CSEP / ESEP / ASEP)

Basic Compensation:$162,000 to $200,000 in California

The offered rate will be based on the selected candidates knowledge, skills, abilities and/or experience and in consideration of internal parity.

Ready to Make a Difference?If youreexcited about making a significant impact in the field of space defense and working on projects that matter, we encourage you to apply and join our team.

KBR Benefits

KBR offers a selection of competitive lifestyle benefits which could include 401K plan with company match, medical, dental, vision, life insurance, AD&D, flexible spending account, disability, paid time off, or flexible work schedule. We support career advancement through professional training and development.

Belong, Connect and Grow at KBR

At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of teams philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver Together.

KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

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Company Name: KBR
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Website:https://careers.kbr.com/us/en/job/KIVKBRUSR2124655EXTERNALENUS/Spacecraft-Mechanical-Subsystem-Engineer?utm_source=hbcuconnect&utm_medium=phenom-feeds
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