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Location
In office (Crane)
Seniority
Middle · 4+ years exp

Confirmed on the employer's own hiring board on Nov 6, 2026. First seen by Alion on Nov 5, 2026. ManTech scores A on the Alion truth index.

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ManTech is a Virginia company founded in 1968 that provides technology services to United States defence and intelligence agencies. Its work covers cybersecurity, data analytics, cloud and mission systems engineering. The company employs thousands of cleared technologists.

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Model Based Systems Engineer to join our team in Crane, IN. This is an onsite position.

As a Senior Model Based Systems Engineer, you will be working on high fidelity SysMLv2 models for the Navy. In this position, you will collaborate with customers to validate and refine each model.

Responsibilities include but are not limited to:

  • Architecting, developing, and integrating MBSE models of Navy systems and processes to be used for documentation, engineering analysis, and simulation.
  • Evaluate technical options to determine the optimum SysML approach in consultation with customers and management.
  • Reviewing, extracting, and abstracting data from technical documentation for incorporation in system models.
  • Manage the implementation of the selected architecture within Cameo Systems Modeler, including assigning tasks to modelers and ensuring the work meets the intent of the design.
  • Performing quality assurance reviews of models and other work products.
  • Maintaining configuration management of models and repositories.

Minimum Qualifications:

  • Bachelor of Science in Systems Engineering, Computer Science, or similar field.
  • 4+ years of systems engineer experience or experience working with NAVSEA systems in an engineering role.
  • 3+ years of experience with Cameo Systems Modeler.
  • 1+ years of experience with Jira and Confluence.

Preferred Qualifications:

  • Experience with or strong desire to learn SysMLv2.
  • Experience with Navy technical documentation (e.g., technical manuals, installation drawings).
  • Experience with PowerBI or other visualization tools.
  • Experience with Visual Studio Code or similar text editor.

Clearance Requirements:

  • U.S. Citizenship required and a current or active Secret clearance.

Physical Requirements:

  • The person in this position must be able to remain in a stationary position 50% of the time.
  • Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at [email protected] and provide your name and contact information.

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