Principal MBSE with Security Clearance

Job Description
Lead advanced Model?Based Systems Engineering (MBSE) efforts to create, maintain, and extend digital reference architectures across data, identity, ICAM, cloud?native access points, and generative AI. Develop and execute strategies to champion adoption of SysML V2 and KerML, integrate attribute?based access control (ABAC) into models, and guide zero trust data? and identity?centric architectures across multi?domain, multi?classification environments. Responsibilities
Architect and deliver federated digital system models using MBSE tools (e.g., Innoslate, Cameo).

Advance policies and frameworks for data, identity, and zero trust architectures; produce defensible, replicable planning data. Drive SysML V2/KerML policy adoption and test implementations within modern MBSE tools; embed ABAC controls in digital models. Conduct research, verification/validation, interoperability testing, and mission performance optimization; support cross?domain deployments. Prepare high?impact briefs, reports, and leadership updates; organize workshops and coordination activities.

Qualifications
PhD in a related field (e.g., Systems Engineering, Computer Science, Software Engineering, Applied Math, Cybersecurity) and 20+ years of related experience. Recognized subject?matter expertise in systems engineering/digital engineering and complex secure architectures. Proven experience advising senior leadership and directing technical baselines and quality requirements. Mastery of MBSE tools and federated digital models; experience integrating security attributes/ABAC into model elements.

Top Secret clearance
Nice to Have Qualifications
Experience with cloud?native reference implementations and cross?domain solutions. Collaboration experience with relevant DoW organizations (e.g., DISA, NSA, NIST, USCYBERCOM, Coalition partners).

Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; Top Secret clearance is required.

Compensation and Benefits
Salary Range: $150,000 - $240,000 (Compensation is determined by various factors, including but not limited to location, work experience, skills, education, certifications, seniority, and business needs. This range may be modified in the future.) Benefits: Gridiron offers a comprehensive benefits package including medical, dental, vision insurance, HSA, FSA, 401(k), disability & ADD insurance, life and pet insurance to eligible employees. Full-time and part-time employees working at least 30 hours per week on a regular basis are eligible to participate in Gridiron’s benefits programs. Gridiron IT Solutions is an

Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status or disability status. Gridiron IT is a Women Owned Small Business (WOSB) headquartered in the Washington, D.C. area that supports our clients' missions throughout the United States. Gridiron IT specializes in providing comprehensive IT services tailored to meet the needs of federal agencies.

Our capabilities include IT Infrastructure & Cloud Services, Cyber Security, Software Integration & Development, Data Solution & AI, and Enterprise Applications. These capabilities are backed by Gridiron IT's experienced workforce and our commitment to ensuring we meet and exceed our clients' expectations.