NASA Artemis Lunar Gateway Flight Software Development Engineer

Company: CACI
Location: Houston
Posted on: April 1, 2026

Job Description:

Job Title: NASA Artemis Lunar Gateway Flight Software Development Engineer 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 * * * CACI provides expertise and technology to enterprise and mission customers in support of national security missions and government transformation for defense, intelligence, and civilian customers. CACI’s culture is the driving force behind our success. Our culture defines who we are, how we act, and what we believe is both the right way and our duty in conducting business. Our culture unifies us as a company and strengthens our resolve to meet our customers’ – and our country’s – most critical missions. The Gateway, a vital component of NASA’s Artemis Program, will serve as a multi-purpose outpost orbiting the Moon that provides essential support for long-term human return to the lunar surface and serves as a staging point for deep space exploration. CACI is looking for an experienced Artemis Lunar Gateway Flight Software Development Engineer to provide NASA Johnson Space Center with software skills in the development of NASA’s Lunar Gateway vehicle flight software. This software engineering position includes prototyping, requirements definition, design, development, test and verification, integration, and certification of Flight Software. The Opportunity: 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, and be an articulate speaker able to communicate complex technical ideas in a convincing manner. The individual must share our passion for our Nation's Space Program and share in the excitement of developing the next human-rated space vehicles. Responsibilities: Design and develop Lunar Gateway Flight Software. Perform systems engineering in support of software requirements and interface definitions, design, and performance analysis. Perform software integration, test, and verification. Integrate and test software/hardware in avionics test bed and flight certification environments. Collaborate with engineering teams and contractors across multiple NASA programs and projects. Ensure adherence to JSC standard software process practices. 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. Qualifications: Required: Must be a U.S. Citizen or Permanent Resident. B.S. in Aerospace, Electrical, Software, Computer or Systems Engineering, Computer Science, or related disciplines required. At least five years of experience in software development for safety-critical software. Experience can be for aerospace vehicles or in other industries, e.g., oil and gas. More experience is highly valued . Strong C programming skills and experience with Linux. Must have experience in the entire software life cycle. Must be flexible, open to new challenges in a dynamic environment, and possess strong technical expertise combined with strong verbal and written communication skills. Requires the ability to manage multiple priorities with little supervision. Must be a highly responsible, team-oriented individual with strong work ethic. Desired: M.S. in Aerospace, Electrical, Software, Computer or Systems Engineering, Computer Science, or related discipline. Experience in human-rated space vehicles, e.g., Space Shuttle, Space Station, Orion, Commercial Crew, and in specific vehicle software domains (e.g., C&T, C&DH, GN&C software). C++ programming and Object-Oriented Design and Analysis (OOAD) skills. Experience in NASA Core Flight Software (CFS). Python development skills. Experience developing embedded software for Real-time Operating Systems, preferably VxWorks. Experience in Time-Triggered Ethernet (TTE). Experience in other bus communication protocols (e.g., 1553, RS-422, RS-232, USB, Ethernet). Experience developing software interfacing with Data Acquisition (DAQ) I/O cards. Experience developing and troubleshooting device drivers. Experience in software and systems integration. Experience in automated testing. Experience in verification testing. Experience using GitLab and the Git version control system. Experience using Jira. This position is contingent on funding and may not be filled immediately. However, t his position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI. This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI. 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.

Keywords: CACI, Sugar Land , NASA Artemis Lunar Gateway Flight Software Development Engineer, IT / Software / Systems , Houston, Texas