Model Systems Engineer; Engineer Systems

Mission Technologies a division of HII is seeking an experienced Model-Based Systems Engineer (MBSE) with a strong Modeling & Simulation (M&S) background to support the JS J7 JLVC Modernization Program under the Joint Training Synthetic Environment (JTSE) contract. This part time role offers remote flexibility with periodic visits to the Joint Staff Complex in Suffolk, VA.

The ideal candidate brings deep expertise in JLVC Federation systems, advanced modeling and simulation architectures, and the ability to design innovative solutions that elevate next‑generation training capabilities across the Department of War. This role will lead the development of MBSE models, drive key modernization initiatives, and integrate emerging technologies—including AI and machine learning—into complex, mission‑critical training environments.

• Develop and maintain a comprehensive MBSE model of the JLVC Federation, including architecture definition, testing traceability, and support for rapid federation updates.
• Lead the capture, development, and tracking of JLVC Modernization requirements, ensuring alignment with program metrics and strategic objectives.
• Collaborate with engineering and development teams to design and prototype cutting edge M&S capabilities.
• Serve as a primary technical consultant on JS J7 requirements for next generation wargaming tools, including integration of the Army’s NEXGEN Constructive (NGC) simulation.
• Support requirements definition, development, and testing for the MAVEN Smart System JLVC data layer and the JTT application.
• Provide strategic guidance on incorporating generative AI into training frameworks to accelerate development and improve collaboration.
• Travel quarterly to Suffolk, VA (if remote) and to partner sites as needed.

• 10 years of relevant experience with a bachelor’s degree; 8 years with a master’s; 6 years with a PhD; or 15 years of relevant experience with a high school diploma/equivalent.
• Demonstrated success leading complex M&S initiatives within demanding DoD environments.
• Extensive experience designing and integrating M&S architectures (constructive, live, hardware in the loop) for distributed training environments.
• Deep knowledge of DIS/HLA simulation standards and integration practices.
• Proven ability to translate operational requirements into actionable technical solutions and lead cross functional teams.
• Must have an active DoD Secret clearance.

Office, industrial, or shipboard environment. Capable of climbing ladders and tolerating confined spaces and extreme temperature variances. Lifting and moving materials may be required.

HII is more than a job - it’s an opportunity to build a new future. We offer competitive benefits such as best-in-class medical, dental and vision plan choices; wellness resources; employee assistance programs;
Savings Plan Options (401(k)); financial planning tools, life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post-secondary education scholarships. Bonus/other non-recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by the recruiter at the screening phase of application.

Why HII

We build the world’s most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

Recognized as one of America’s top large company employers, we are a values and ethics driven organization that puts people’s safety and well-being first. Regardless of your role or where you serve, at HII, you’ll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career.

All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law.

Do You Need Assistance?

If you need a reasonable accommodation for any part of the employment process, please send an e-mail to and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case‑by‑case basis. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to from this email address. Additionally, you may also call for assistance.

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