NASA Orion Spacecraft Flight Software Developer
CACI International· Defense· Oct 19, 2026 · 9d ago
Houston, TX, US
In office
Full-time
Senior
$76K–$156K
5+ years exp
Job description
Job Title: NASA Orion Spacecraft Flight Software Developer
Job Category: Engineering
Time Type: Full time
Minimum Clearance Required to Start: None
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Continental US
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The Opportunity:
CACI is looking for an experienced Spacecraft Flight Software (FSW) Developer to provide NASA s Orion FSW team at the Johnson Space Center with software skills in the development of flight software for NASA’s next generation crewed spacecraft, Orion, to carry astronauts to the Moon. Orion will dock in lunar orbit with a lunar lander which will transport astronauts to and from the lunar surface. This exciting position involves software implementation, test, integration, and verification of Orion FSW.
This position requires a self-motivated, capable person with strong verbal and written communication skills. In addition to outstanding technical expertise, the individual must be very people savvy, have strong customer relationship skills, possess a positive team-player attitude, be flexible and willing to take on new assignments and responsibilities as they arise. Finally, the most qualified candidate will be an articulate speaker able to communicate complex technical ideas in a convincing manner, must share our passion for our Nation s Space Program, and share in the excitement of developing future human-rated space vehicles.
This work takes place at NASA/JSC in Houston, TX, a highly stimulating and dynamic environment that is critical in human space flight and the space exploration initiative.
Responsibilities:
Design and develop Orion embedded FSW.Create and execute thorough C/C unit tests.
Perform integrated testing and software verification using the Software Only Crew Exploration Vehicle (CEV) Risk Reduction Analysis and Test Engineering Simulation (SOCRRATES).
Evaluate software defects. Implement and test software code changes to correct defects.
Perform troubleshooting of software issues.
Integrate software and build FSW loads for testing.
Ensure adherence to JSC standard software process practices.
Perform C/C code reviews to spot errors in the code logic.
Collaborate with NASA and prime contractor SMEs for resolving flight software issues.
Develop software tools and scripts as needed.
Qualifications:
Required:
Must be a U.S. Citizen or Permanent Resident.
B.S. in Aerospace, Mechanical, Electrical, Computer or Software Engineering, Computer Science, or related disciplines required.
At least 5 years of experience in embedded software development for real-time safety-critical software. Greater experience is valued.
Strong C programming skills.
Experience with software unit testing and integration testing.
Must be flexible, open to new challenges in a dynamic environment, and possess strong technical expertise combined with strong verbal and written communication skills.
Ability to manage multiple priorities with little supervision.
Must be a highly responsible, team-oriented individual with strong work ethic.
Must have highly developed coordination and organization skills.
Desired:
M.S. in Aerospace, Mechanical, Electrical, Computer or Software Engineering, Computer Science, or related disciplines.
Experience using integrated simulations for testing real-time safety-critical software. Experience testing FSW with SOCRRATES is highly desired.
Experience in flight software development for human-rated space vehicles, e.g., Space Shuttle, International Space Station, SpaceX Crew Dragon, Boeing Starliner, Orion, or Gateway.
Experience troubleshooting software issues.
Experience with Google Test and gMock.
Experience in full life cycle of real-time safety-critical software for aerospace vehicles.
Familiarity with the NASA Spacecraft Software Engineering Team (SSET) standards and processes for class A safety-critical flight software.
Experience developing software scripts and tools in Python.
Experience with software configuration management tools such as Gitlab/Git and Perforce.
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What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation s most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.
Pay Range :
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$76,000 - 155,700 USD
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.
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