$160,001–$200,000 Per Year
Agile Programming Methodologies, Atlassian JIRA, Backlog Prioritization, Best Practices, Budgeting, Change Control, Cloud Architecture, Communication Skills, Cross-Functional, Department of Defense Architecture Framework (DoDAF), Documentation Models, Emerging Technology, Git, Government, Information Technology & Information Systems, Integration Testing, Interoperability, Model Validation, Onboarding, Process Development, Process Improvement, Product Demonstration, Professional Services, Project/Program Management, Release Management/Engineering, Requirements Management, Risk Analysis, Risk Management, SIP (Session Initiation Protocol), Scripting (Scripting Languages), Scrum Project Management and Software Development, Sensitive Compartmented Information (SCI), Source Code/Configuration Management (SCM), System Architecture, System Integration (SI), Systems Administration/Management, Systems Engineering, Systems Maintenance, Team Player, Technical Writing, Testing, Top Secret Clearance, Traceability, Trade Studies, United States Citizen, Work From Home
Principal MBSE Systems Engineer
Job ID: 2614115
Location: Chantilly, VA, United States
Date Posted: Jul 6, 2026
Category: Engineering and Sciences
Subcategory: Digital Engineer
Schedule: Full-Time
Shift: Day Job
Travel: Yes - 10% of the time
Minimum Clearance Required: TS/SCI with Poly
Clearance Level Must Be Able to Obtain: None
Potential for Remote Work: On-Site
Benefits: Click here
Share: mail
Apply Now >
Apply Now >
Job Description
Description
We are seeking a Systems Engineer - Modeler to lead MBSE driven architecture, requirements, and interface modeling for CMCC. You will develop and maintain system models (ensure endtoend traceability, and support SIPaligned onboarding and integration, working closely with the Chief Engineer, System Architect, Integrator, Release Manager, and Government stakeholders to keep the technical baseline accurate, testable, and mission ready.
Job Responsibilities:
- Apply systems engineering best practices across the lifecycle: concept, requirements, design, integration, V&V, deployment, and disposal.
- Develop and maintain MBSE models (SysML; DoDAF/UPDM/UAF) in Cameo Systems Modeler / Teamwork Cloud to capture architecture, behavior, data flows, and interfaces.
- Lead requirements definition/decomposition; maintain bidirectional traceability across requirements, architecture, test artifacts, and Agile backlog items.
- Conduct trade studies, AoAs, and risk assessments; define/manage system interfaces to ensure interoperability across CMCC components and externals.
- Support SIP aligned capability onboarding, CCB decisions, and model updates for Factory, I&T, Experimental, and Operational environments.
- Collaborate with software, hardware, cyber, and test teams to drive cohesive system design; prepare and present model based documentation and briefings.
- Manage model repositories, versioning, and configuration in TWC; generate model artifacts (OVs, UAF views, sequence diagrams, operational threads).
- Contribute to Agile/ART activities (PI Planning, demos, retrospectives), highlight dependencies, and recommend model driven improvements to flow efficiency and velocity.
- Partner with program management to align technical solutions with schedule/budget; identify process improvements that elevate MBSE discipline across the program.
Qualifications
TS/SCI and US citizenship.
- Bachelor's and 10+ years of experience; OR Master's and 8+ years; OR PhD/JD and 6+ years.
- 10+ years systems engineering on complex defense/space/C3BM programs, including 5+ years hands on MBSE with Cameo (or Sparx EA/Rhapsody).
- Proficiency in SysML and architecture frameworks (DoDAF/UPDM/UAF); experience with requirements tools (e.g., DOORS JAMA) and Atlassian (Jira/Confluence).
- Proven ability to perform trade studies, interface control, risk analysis, and to translate model outputs into actionable technical direction.
- Strong communication skills for technical writing, model curation, and stakeholder briefings; collaborative working style across multidisciplinary teams.
Desired Qualifications:
- Familiarity with SIP/CCB workflows, external interface modeling (e.g., UCI), and automated model validation/scripting.
- INCOSE ASEP/CSEP certification; SAFe or Scrum credentials.
- Experience with Git based version control; exposure to DevSecOps aligned digital engineering toolchains.
Target salary range: $160,001 - $200,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.
Overview
SAIC accepts applications on an ongoing basis and there is no deadline.
SAIC is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.
We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.
Share: mail
Apply Now >
S
Science Applications International Corp
SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.
We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.