Model Systems Engineer

Join to apply for the Model Based Systems Engineer role at Barrios Technology

Are you passionate about human space exploration, understanding the origins of the universe, and working with a passionate and diverse team to make a difference? If you are, we need you! We need your talent, teamwork, and energy to help us achieve great things that inspire people all over the globe. We need you to bring creative ideas and diverse backgrounds to help us envision, shape, and deliver systems that will enable the exploration of space while benefiting people here on Earth.

We are excited about what we do, and we need you on our team as we take on exciting challenges for NASA’s pursuits in deep space exploration.

Building on more than four decades of experience in providing innovative integration solutions for government and commercial space programs, Barrios offers an extensive range of engineering, software, and related technology integration services in support of the aerospace community. As a woman-owned and operated small business, we are a people-focused company that supports professional development, while working to ensure that you maintain a healthy work-life balance.

The Model Based Systems Engineer will lead the development and integration of complex aerospace systems. The ideal candidate will provide technical leadership across the full systems engineering lifecycle—concept through verification and validation through sustainment—sing MBSE tools and methodologies to ensure mission success and safety compliance.

• Lead system architecture development and analysis using MBSE principles and tools (e.g., Cameo/Magic Draw, Rhapsody, Enterprise Architect)
• Define, manage, and validate system requirements, interfaces, and verification methods for crewed spaceflight systems
• Develop and maintain SysML models to support system design, trade studies, and mission assurance
• Collaborate with multidisciplinary teams (safety, reliability, human factors, propulsion, avionics, etc.) to ensure systems meet NASA and industry standards for human spaceflight
• Participate in design reviews, technical interchange meetings, and customer presentations
• Guide and mentor junior systems engineers in MBSE techniques and systems engineering best practices
• Support risk management, configuration management, and requirements traceability throughout the project lifecycle
• Interface with NASA, commercial partners, and subcontractors to coordinate system-level design integration

• Minimum 10–15 years of experience in systems engineering, including 5+ years applying MBSE methods in large, complex aerospace or spaceflight programs
• Bachelor’s degree in Engineering (Systems Engineering, Aerospace Engineering, or related discipline); master’s degree preferred
• Experience supporting ground systems, human spaceflight or crewed spacecraft programs (NASA, commercial, or equivalent)
• Expert-level proficiency with SysML and MBSE tools (Cameo/Magic Draw preferred)
• Strong understanding of systems engineering processes per NASA NPR 7123.1, MIL‑STD‑499C, or INCOSE SE Handbook
• Demonstrated ability to lead cross‑functional teams and deliver high‑quality technical documentation
• Excellent written and verbal communication skills
• Must be a U.S. Citizen and successfully complete a U.S. government background investigation
• Post‑offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol as outlined in our Drug Free Workplace policy
• Work may involve sitting for extended periods; may require lifting and carrying up to 25 lbs; ability to work in a team atmosphere

• Master’s degree in Systems Engineering, Aerospace Engineering, or related field
• INCOSE CSEP or ESEP certification
• Model User (MU), Model Builder Advanced (MBA) or equivalent certification
• Experience with NASA human‑rating standards and processes (e.g., NPR 8705.2, 8715.3)
• Familiarity with DOORS, JAMA, or other requirements management tools
• Experience with digital engineering frameworks and integration with simulation or data management tools

Barrios Technology is a drug‑free workplace. 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, or any other characteristic protected by federal, state, or local law.