Volunteer Software Development Jobs in Houston, TX

Location: Houston, TX 77058 US (Primary)

Remote/Onsite/Hybrid: 100% Onsite

Job Type: Full-time

Number of Hires Needed: 1

Education: Bachelor's Degree

Travel: None

Security Clearance Required: None

Pay Range: $135,000.00 - $200,000.00/yr

Cimarron is seeking a senior‑level Software Engineer to support the Axiom Space Ground Support Equipment (GSE) Space Suits avionics team in Houston, TX. In this position, you will work closely with the hardware development team on advanced test and measurement systems, including hardware‑in‑the‑loop (HIL) and systems simulation.

• Architect, design, implement, test, and document software solutions.
• Perform the full lifecycle of software development from design through implementation and deployment.
• Develop robust, well‑architected, and reliable software, typically using C/C++ and Python on Linux.
• Promote software engineering best practices, including test‑driven development, up‑front design, code reviews, and unit testing.
• Conduct peer reviews, oversee merge requests, and foster a culture of technical excellence while driving continuous improvement.
• Create and maintain technical design documentation, data models, and process models.
• Perform system analysis, troubleshooting, diagnosis, and problem resolution.
• Contribute to system verification and validation activities.
• Collaborate with stakeholders across the project and NASA to ensure the successful delivery of GSE systems.
• Lead and conduct program design and safety reviews with internal Axiom development teams and NASA customers for commercial spacesuit development.
• Communicate project progress, status, and potential risks to stakeholders and leadership.
• Implement and maintain agile project management methodologies throughout the project lifecycle.
• Perform additional job duties as assigned.

• Due to facility security requirements, only U.S. citizens or permanent residents 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.
• 10 or more years of professional experience.
• Ability to work evenings and weekends as needed to meet critical project milestones.
• Proficiency with version control tools such as Git and GitLab, build systems, and continuous integration pipelines.
• Experience with unit testing, software‑hardware integration testing, and formal verification activities.
• Experience participating in software safety reviews.
• Demonstrated ability to deliver high‑quality results in ambiguous, fast‑moving environments and under tight deadlines.
• Strong judgment and a proactive, solution‑oriented approach to complex challenges.
• Strong organizational skills and the ability to manage competing priorities effectively.
• Technical expertise in programming languages such as C/C++, Python, and LabVIEW, with strong foundations in data structures, algorithms, and application performance optimization.
• Experience working with TCP/IP‑based communication using sockets and ZeroMQ.
• Demonstrated success delivering software across the full software development lifecycle.
• Proficiency in software design principles, code architecture patterns, and development methodologies.
• Strong understanding of software verification, validation, documentation, and security best practices.
• Experience working within an agile development environment.
• Ability to present complex technical topics to management and other stakeholders.
• Strong technical writing and documentation skills.
• Strong interest in space and alignment with the mission, demonstrating perseverance, resourcefulness, adaptability, and grit.
• Bachelor's degree (or higher) in Computer Engineering, Electrical Engineering, Aerospace Engineering, Computer Science, or a related technical discipline.

• Experience supporting flight software certification.

• Major Medical and Hospitalization
• Vision Care
• Preventive Care
• Ancillary Benefits
  • Life Insurance and AD&D
  • Short‑Term Disability Insurance
  • Voluntary Long‑Term Disability Insurance
  • Voluntary Additional Life and Dependent Life Insurance
• 401(k) with Company Matching
• Flexible Spending Accounts
• Direct Deposit
• Other Benefits
  • Paid Time Off (PTO) and Holiday Leave
  • Education Reimbursement
  • Wellness Program

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.