Principal Model Systems Engineer Security Clearance

The Modeling, Analytics, and Simulation Sciences (MASS) Operation is seeking a Senior / Principal Model-Based Systems Engineer to support advanced digital engineering initiatives for our customers at the National Air and Space Intelligence Center (NASIC). This role is ideal for a technical leader who thrives at the intersection of architecture, modeling, simulation, and enterprise integration. In this position, you will serve as a technical authority and strategic advisor, driving the development and integration of authoritative digital engineering ecosystems, including MBSE models, simulation environments, and data pipelines that support mission‑critical defense systems.

Radiance Technologies is an employee‑owned company that offers generous benefits, including a 401(k) match, comprehensive health, dental, vision, and life insurance, educational reimbursement, and competitive salaries.

• Define and implement digital engineering strategies, including digital thread and toolchain integration.
• Serve as a technical lead and advisor to government stakeholders and senior leadership.
• Architect and integrate MBSE models with simulation, analysis, and data environments (e.g., AFSIM, MATLAB, Python).
• Drive adoption and implementation of modern MBSE methodologies, including SysML v2.
• Lead cross‑functional teams and coordinate efforts across government, FFRDCs, and contractors.
• Develop and deliver executive‑level briefings translating complex technical concepts into actionable insights.
• Evaluate, select, and integrate MBSE tools and digital engineering platforms.
• Contribute to or influence industry standards and frameworks (e.g., OMG, DoDAF, UAF).

• Bachelor’s Degree in Systems Engineering, Aerospace, Computer Science, Applied Mathematics, or a related field.
• 10+ years of experience in systems engineering, MBSE, or digital engineering (Master’s may substitute for some experience).
• Demonstrated expertise in MBSE methodologies and tools (e.g., Cameo, Magic Draw, Rhapsody, Enterprise Architect).
• Strong experience with architecture frameworks (DoDAF, UAF, or similar).
• Proven ability to lead large‑scale, multi‑disciplinary technical efforts.
• Experience integrating MBSE models with simulation, analysis, and data systems.
• Strong programming or scripting experience (e.g., Python, C++, MATLAB, Java).
• Experience working with DoD or Intelligence Community customers.
• Demonstrated ability to communicate with and brief senior/executive stakeholders.
• Active TS/SCI clearance.

• Master’s Degree in Engineering or a related field.
• INCOSE CSEP/ESEP, OCSMP, or similar certifications.
• Experience with SysML v2 and next‑generation MBSE standards.
• Experience designing and implementing digital threads and data integration architectures.
• Background in modeling & simulation (M&S) and integration with MBSE.
• Experience with cloud‑based engineering environments (e.g., Cloud One, distributed tool chains).
• Familiarity with ontology development or data standards for digital engineering.
• Prior experience serving in a technical leadership or advisory role at the enterprise level.

Radiance Technologies is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.