Principal MBSE Systems Engineer

SAIC; Chantilly (VA); On-site; USD 160,001 - 200,000; Full time

Job summary

SAIC in Chantilly, VA seeks a Systems Engineer - Modeler to lead MBSE-driven architecture, requirements, and interface modeling for CMCC. You will develop and maintain system models with end-to-end traceability, supporting SIP-aligned onboarding and integration with government stakeholders.

You will apply MBSE across lifecycle, develop MBSE models in Cameo, lead requirements decomposition with bidirectional traceability, perform trade studies and risk analyses, and present model-based

Qualifications

• MBSE practices across system lifecycle.
• SysML and architecture frameworks (DoDAF/UPDM/UAF).
• Proven ability to perform trade studies and risk analyses on complex programs.
• Experience translating model outputs into actionable technical decisions.
• Strong written and oral communication for stakeholder briefings.

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.

Skills

MBSE

SysML

DoDAF/UPDM/UAF

Trade studies

Risk analysis

Technical writing

Stakeholder briefings

Collaboration

Education

Bachelor’s degree

Master’s degree

PhD/JD

Tools

Cameo Systems Modeler

Sparx EA

Rhapsody

DOORS

Jama

Jira

Confluence

Git

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.

EOE AA M/F/Vet/Disability