Simulation Software Engineer
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Before you apply
LocationHouston, TX, US
Work modeon-site
Typefull-time
SeniorityMid
Experience2+ yrs
DepartmentEngineering
Company size501–1,000 people
PostedOct 23, 2026 · 2w ago
Verified live17h ago
At a glanceSummarised by Seekless from the posting.
BS degree in Software Engineering, Computer Engineering, Technology, Physics, or Math from an accredited institution, plus two (2) years of related software development experience.
Experience with simulation frameworks and tools such as Trick, Unreal Engine, or similar simulation environments
Experience with 6-degrees-of-freedom (6-DOF) simulation development
Proficiency in object-oriented programming (e.g., C/C++)
Experience in one or more of the following: spacecraft dynamics, thermal modeling, power systems, RF communications, sensor modeling (e.g., IMUs, star trackers, LIDAR), or GNC integration
Experience with Git-based platforms (e.g., GitLab, GitHub) and development tools (e.g., JIRA)
Experience working on cross-disciplinary engineering teams
Strong communication, coordination, and presentation skills
Proven ability to collaborate effectively with customers and stakeholders
Hardware/software integration experience
Experience with High Level Architecture (HLA) and Federation Object Models (FOMs)
Experience supporting spaceflight programs
Familiarity with CMMI frameworks
Experience with Agile development methodologies
Experience with containerization technologies (e.g., Docker)
Experience with data visualization tools (e.g., Grafana)
Master's degree in related field
Must be a U.S. Citizen and successfully complete a U.S. government background investigation.
Skills
Trick
Unreal Engine
C/C++
GitLab
GitHub
JIRA
Docker
Grafana
HLA
FOM
Overview
Barrios Technology is an engineering solutions partner with more than 45 years of experience supporting NASA and the commercial space industry. We deliver innovative engineering, software, and technology integration services nationwide. Barrios fosters a people-focused culture that values creativity, diversity, professional growth, and a healthy work–life balance.
About the role
Exciting opportunities and partnerships molding the future of space exploration have led to the need for a Software Engineers with expertise in Simulation Software at Barrios Technology. Working alongside our commercial spaceflight partners, our team is positioned to contribute to the future of space exploration. The successful candidate will have the opportunity to play a role in various space endeavors with our partners that include NASA, Intuitive Machines, Axiom Space, Lockheed Martin, and others.
Responsibilities
The Simulation Software Engineer will:
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Develop and maintain simulation software for lunar surface operations, including real-time and faster-than-real-time environments
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Design and implement high-fidelity models of vehicle dynamics, environment, sensors, and system interfaces
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Support hardware-in-the-loop (HWIL) simulation development, integration, and testing
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Perform verification and validation (V&V) of simulation models and enable FDIR testing through fault modeling and scenario development
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Support flight software, ground systems, and mission operations through simulation and test environments
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Contribute to crew training and mission readiness through realistic simulation scenarios
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Own the full software lifecycle, including design, implementation, testing, deployment, and operational support
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Contribute to Agile development cycles, including planning, integration, and verification activities
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Integrate within a multi-disciplinary engineering team and interface with hardware developers and subsystem engineers
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Provide technical input during major milestones and program reviews
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Perform other duties as assigned
Qualifications
Required Education/Experience/Skills:
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BS degree in Software Engineering, Computer Engineering, Technology, Physics, or Math from an accredited institution, plus two (2) years of related software development experience.
•
Experience with simulation frameworks and tools such as Trick, Unreal Engine, or similar simulation environments
•
Experience with 6-degrees-of-freedom (6-DOF) simulation development
•
Proficiency in object-oriented programming (e.g., C/C++)
•
Experience in one or more of the following: spacecraft dynamics, thermal modeling, power systems, RF communications, sensor modeling (e.g., IMUs, star trackers, LIDAR), or GNC integration
•
Experience with Git-based platforms (e.g., GitLab, GitHub) and development tools (e.g., JIRA)
•
Experience working on cross-disciplinary engineering teams
•
Strong communication, coordination, and presentation skills
•
Proven ability to collaborate effectively with customers and stakeholders
Preferences:
•
Hardware/software integration experience
•
Experience with High Level Architecture (HLA) and Federation Object Models (FOMs).
•
Experience supporting spaceflight programs
•
Familiarity with CMMI frameworks
•
Experience with Agile development methodologies
•
Experience with containerization technologies (e.g., Docker)
•
Experience with data visualization tools (e.g., Grafana)
•
Master’s degree in related field
Essential Requirements
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Must be a U.S. Citizen and successfully complete a U.S. government background investigation.
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Applicant selected may be subject to government security investigation and must meet eligibility requirements for access to classified information.
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Work may involve sitting for extended periods.
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May require lifting and carrying up to 25 lb.
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Must have sufficient mobility to enter areas of test facilities where necessary.
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Generally, an office environment but can involve inside or outside work depending on task.
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Standard office equipment (PC, telephone, fax, etc.)
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Regular attendance in accordance with established work schedule is critical.
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Ability to work outside normal schedule and adjust schedule to meet peak periods and surge requirements when required.
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Must be able to work in a team atmosphere.
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Must put forward a professional behavior that enhances productivity and promotes teamwork and cooperation.
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Grooming and dress must be appropriate for the position and must not impose a safety risk/hazard to the employee or others.
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This position may require some commuting and traveling to other installations as needed.
Don’t miss out on this great opportunity; for immediate consideration, apply now!
Legal
Barrios Technology is a drug-free workplace, which is imperative to the health and safety of all employees and is required as a condition of receiving contracts from federal agencies. Please remember that regardless of the legalization of marijuana in several states, possession and use continues to be illegal under the federal Controlled Substances Act. This includes the use of some CBD products. A post-offer, pre-employment drug test is a condition of employment.
Barrios Technology is an Equal Employment 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.