SAIC

Principal MBSE Systems Engineer

SAIC$120K — $150K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • TS/SCI clearance and US citizenship required.
  • Bachelor's degree with 10+ years of experience; Master’s with 8+ years; PhD/JD with 6+ years.
  • Minimum of 10 years in systems engineering for complex defense, space, or C3BM programs with at least 5 years in MBSE using Cameo or similar tools.
  • Expertise in SysML and architecture frameworks such as DoDAF, UPDM, and UAF, along with experience in requirements management tools like DOORS or JAMA.
  • Strong technical writing and communication skills, enabling effective collaboration with multidisciplinary teams.

Responsibilities

  • Apply systems engineering best practices throughout the entire project lifecycle, from concept to disposal.
  • Develop and maintain model-based systems engineering (MBSE) models using Cameo Systems Modeler and Teamwork Cloud.
  • Lead the definition and decomposition of requirements, ensuring traceability across various project artifacts and Agile backlog items.
  • Conduct trade studies and risk assessments to manage system interfaces and ensure component interoperability.
  • Support capability onboarding processes aligned with SIP and contribute to decision-making during change control board (CCB) meetings.
  • Collaborate with software, hardware, cyber, and test teams to ensure cohesive system designs and prepare model-based documentation.
  • Manage model repositories and generate various model artifacts to support project documentation and communication.

Benefits

  • Comprehensive health insurance plans.
  • Retirement savings options with company matching.
  • Professional development programs and training opportunities.
  • Flexible work schedules and remote work options.
  • Support for continuing education and certifications.
Full Job Description
Job 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.

About SAIC

Science Applications International Corporation (SAIC) is a technology integrator in the technical, engineering, intelligence, and enterprise information technology markets. SAIC has approximately 26,000 employees and operates in more than 70 countries. The company was founded in 1969 and is headquartered in Reston, Virginia. SAIC provides services to the U.S. government, including the Department of Defense, the intelligence community, and civilian agencies. The company also serves commercial customers in the healthcare, energy, and financial services sectors.
Learn more about SAIC
Size
26,000 employees
Market Cap
$6 billion
Industry
Net Income
$206 million
Founded
1969
5 Year Trend
+10.7%
Revenue
$6.8 billion
NASDAQ

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