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Test Engineer - (BLFAES101426.1)

Cimarron Software Services Inc
Aurora, CO Full Time
POSTED ON 10/16/2026
AVAILABLE BEFORE 12/15/2026
Posting/External Job Title
Lead Fault & Autonomy Engineer (Senior-Level)
Location
Aurora, CO 80011 US
El Segundo, CA 90245 US
Herndon, VA 20176 US
Seal Beach, CA 90740 US (Primary)
Remote/Onsite/Hybrid
100% Onsite
Job Type
Full-time
# of Hires Needed
2
Education
Bachelor's Degree
Travel
None
Security Clearance Required
TS
Pay Range (All offers will be based on experience)
$180,000.00 - $300,000.00/yr
Position Introduction/Key Duties

Cimarron is seeking a Senior-level Lead Fault & Autonomy Engineer to help support an exciting opportunity located in Seal Beach, CA, with potential options to work from El Segundo, CA or Aurora, CO, or Herndon, VA based on candidate eligibility. This is an opportunity to personally contribute to the development of new first-of-kind space vehicles, ground systems and missions.  The programs support a range of platforms and technologies that are predominantly classified .  As a member of our engineering design team, you’ll work with a system architects, Concept of Operations (ConOps) developers, fault and autonomy designers, and numerous engineering disciplines (systems, hardware, software, power, payload, thermal, communications and test).  Development timelines are aggressive and you will be asked to develop solutions to previously unsolved problems.  You will be part of a team that generates solutions to minimally defined design spaces!

Key Duties:

  • Support technology integration for and development of first-of-kind space vehicles and missions.
  • Develop and present review packages to internal and external senior leadership.
  • Work proactively and independently in a fast-paced, demanding atmosphere.
  • Ensure system hardware designs have adequate redundancy for required levels of fault tolerance.
  • Develop autonomy aligned with customer risk tolerance in the presence of anomalies.
  • Analyze system failure modes (via failure mode effects and criticality analysis (FMECA) or fault tree analysis).
  • Develop software requirements for onboard fault protection to detect and isolate failures and transition to spacecraft safing modes.
  • Design autonomy or ground procedures to recover from failures.
  • Provide occasional on-call support for system anomalies.
Required/Desired Skills, Experience, and Education

Required Skills, Experience, and Education:

  • Due to facility security requirements, only U.S. citizens are eligible for consideration at this time. 
  • Ability to complete a pre-employment background check and drug screening, which will include, but is not limited to, testing for marijuana use.
  • This position requires access to federal facilities. Candidates must possess a valid, unexpired Real ID-compliant driver's license or state-issued identification card at the time of hire.  If you are unsure whether your ID is Real ID-compliant, please check for the star symbol in the upper portion of your driver's license or state ID.
  • Must have an active Top Secret security clearance. 
  • 15 or more years of direct experience with Satellite Systems Engineering groups.
  • 15 or more years of experience in systems engineering, systems integration, and/or software engineering.
  • 15 or more years of experience with failure analysis (performing or review).
  • Bachelor's in engineering from accredited school; technical masters degree counts for 2 years and technical PhD 4 years. 

Desired Skills, Experience, and Education:

  • Master’s degree from an accredited course of study in engineering, computer science, mathematics, physics or chemistry.
  • Active TS/SCI clearance. 
  • Systems engineering experience.
  • Project management experience.
  • Strong oral, written, and visual communication skills.
  • Experience working with cross-functional teams and external customers.
  • Experience in spacecraft, launch vehicles, or highly autonomous unmanned systems.
  • Experience with failure analysis techniques (e.g, Fault Tree, FMECA).
  • Experience with spacecraft mission operations.
  • Broad knowledge across spacecraft subsystems.

Cimarron accepts applications for this position on an ongoing basis. There is no fixed application deadline.

Business Profile:

Cimarron is a global solutions company with a strategic partnering approach to satisfying customer-driven requirements. We ensure customer success with a modern approach and experienced leadership. Driven by an entrepreneurial spirit, Cimarron is fueled by highly skilled employees, developing new innovative technologies, and delivering superior products and services. We believe in recognizing employees' worth by offering competitive salaries and benefits, including health, dental, and vision insurance, 401(k) contributions, educational reimbursement, and much more. From company communication through Company-wide information meetings led by our President and CEO, to an Awards program designed to recognize our amazing employees and their accomplishments, you will not only feel like you are a part of a team, you will be a valued member of the Cimarron family. Cimarron is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, age, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or any other characteristic protected by federal, state, or local law.

Resumes should list employment dates in month/year format (e.g., January 2020 – March 2024) for each position to meet customer and contract documentation requirements.

Salary : $180,000 - $300,000

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