Model-Based Systems Engineer

Model‑Based Systems Engineer (MBSE) – Full‑Time Location: Manassas, Va Start Date: Negotiable Salary Range: $120,000 – $180,000 Gromelski and Associates, Inc. (GAI) partners with prime contractors to provide professional services. Key service areas include Engineering Design and Documentation; Software Development and Testing; System Integration, Testing and Evaluation; Lab Management and Field Installation; Integrated Logistics Support, Training Development and Delivery, Multimedia Support, and Technical System Support.

About the Role

We’re looking for a versatile Model‑Based Systems Engineer who can seamlessly blend strategic requirements management with hands‑on engineering. In our Agile, Program‑Increment‑driven environment you’ll partner with software, cyber, hardware, and safety teams to create traceable, high‑quality system models and documentation that power successful development, integration, and test.

Join a collaborative, innovation‑focused organization where your work directly fuels mission‑critical capabilities and where growth and impact are celebrated. Core Responsibilities Area What You’ll Do Requirements & Risk Management

• Develop, allocate, and trace system requirements in JIRA.
• Conduct risk analyses, trade studies, and interface definition.
• Drive TBD/TBR burndown and keep charts up‑to‑date. Model‑Based Systems Engineering
• Build and maintain SysML (v1/v2) models in Cameo that capture behavior, interfaces, and allocations.
• Keep models synchronized with downstream design, I&T, and verification artifacts. Interface & Architecture Leadership
• Lead cross‑disciplinary interface definition (software, cyber, hardware, human factors, safety).
• Ensure architecture, requirements, and ICDs remain consistent. Government & Customer Reviews
• Prepare and present technical content for CDR‑type design reviews.
• Produce traceability matrices and MBSE visualizations for senior government stakeholders. Agile Execution & Collaboration
• Operate within an Agile, PI‑based workflow.
• Align SE stories with feature teams, close SE tasks, and manage pop‑up or government‑directed work. Hands‑On Engineering Support
• Execute test & evaluation, scripting, configuration, and problem‑resolution activities.
• Support system installation, patching, hardware configuration, and EOL part management. Transition Planning
• Aid the hand‑off from Development to Integration & Test, ensuring models, requirements, and interfaces are ready for the next phase.

Required Skills

& Experience Must‑Have Preferred Bachelor’s degree in Engineering, Computer Science, or a related field (or equivalent experience). Advanced degree (M.S./Ph.D.) in Systems Engineering or related discipline. 3–5 years of MBSE experience, preferably with Cameo Systems Modeler . Certified SysML Professional (v1 or v2). Proficiency in SysML (v1/v2) and strong model‑management practices.

Experience with DOORS, Polarion, or Jama for requirements traceability. Proven ability to manage requirements, risks, and interfaces in JIRA . Prior work on DoD contracts and familiarity with acquisition processes (CDR, TRR, etc.) Excellent written and verbal communication; ability to produce clear technical docs and review decks.

Knowledge of cybersecurity and safety engineering principles. Self‑starter with strong ownership and independent‑working ability. Experience in Agile PI planning and sprint execution within multidisciplinary teams. U.S. citizenship and ability to obtain/maintain a DoD Secret clearance . Familiarity with hardware configuration management and EOL part tracking.

Personal Attributes Proactive self‑starter – anticipates issues and drives solutions without waiting for direction. Team‑oriented collaborator – builds strong relationships across software, hardware, cyber, and safety disciplines. Detail‑focused yet big‑picture aware – ensures model fidelity while keeping schedule, cost, and performance goals in view.

Benefits

Competitive health, dental, and vision plans 401(k) with company match Generous paid time off & holidays Professional‑development assistance (certifications, training) Flexible work arrangements and modern office environment For a full list of benefits, visit our Careers page: Careers | GAI How to Apply Submit your résumé and a brief cover letter highlighting your MBSE experience (Cameo, SysML, JIRA) and any relevant government‑contract work.

We look forward to adding a dynamic systems engineer to our team who will help shape the future of our mission‑critical solutions. Gromelski and Associates is an equal opportunity employer and does not discriminate in employment on the basis of race, color, religion, sex, pregnancy, national origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, retaliation, parental status, military service or other non-merit factor.