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Posted May 4, 2026

Model Based Systems Engineer

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Job Description

BAE Systems’ Digital Architecture Team (DAT) is seeking an experienced Model Based Systems Engineering (MBSE) professional versed in the philosophy and practice of MBSE. The DAT is responsible for developing modern software infrastructure for BAE ES Sector programs. This includes MBSE development and integration into the platform. BAE Systems is transitioning towards a Digital Enterprise (DE) where virtual and Cloud based networks and services are replacing traditional desktop applications and we are the premier team leading this change.

As a MBSE subject matter expert (SME), this individual must have strong knowledge MBSE processes, practices, tools and related modeling languages and frameworks (e.g. SysML, UML, UAF, etc.) and understand how to build and apply models to solve complex technical problems. The candidate must also have the technical MBSE skills necessary to be capable of singularly and successfully leading a program in their total MBSE development activities. It is expected that this individual will work daily with the Systems Engineering teams, project design and development teams and the project management team to achieve program objectives. Internal to the MBE CG group itself, this individual is expected to be a significant contributor to the development of MBSE training materials, initiatives, and company MBSE best process and practices.

State/Province

New Hampshire

Salary Max Point

200762

About BAE Systems Electronic Systems

BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it’s what we do at BAE Systems. Working here means using your passion and ingenuity where it counts – defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team—making a big impact on a global scale. At BAE Systems, you’ll find a rewarding career that truly makes a difference. Electronic Systems (ES) is the global innovator behind BAE Systems’ game-changing defense and commercial electronics. Exploiting every electron, we push the limits of what is possible, giving our customers the edge and our employees opportunities to change the world. Our products and capabilities can be found everywhere – from the depths of the ocean to the far reaches of space. At our core are more than 14,000 highly talented Electronic Systems employees with the brightest minds in the industry, we make an impact – for our customers and the communities we serve.

This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.

Clearance Level – Must be able to obtain for position

Secret

Shift

1st Shift

Union Job

None

Business Area

Electronic Combat Solutions

City

Nashua

Job Posting Title

Model Based Systems Engineer

Required Skills and Education

  • Bachelor’s Degree in Systems Engineering, Software Engineering, Aerospace Engineering, or related technical discipline.
  • Minimum 4+ years of practical experience applying MBSE principles and techniques to complex systems.
  • Demonstrated experience leading MBSE activities on a program.
  • Proficiency in SysML.
  • Solid understanding of systems engineering principles and processes.
  • Ability to create and maintain system models.
  • Ability to obtain and maintain security clearance (if required by program).

Company

BAE_BAE SYSTEMS Info&Elec Sys Intg

Postal Code

03060-6909

Regular or Temporary

Regular

Posting Requirements

Internal

Department

1BC_ES ECS Engineering

Country

United States

Job Family

Software Eng

Preferred Skills and Education

  • Master’s Degree in Systems Engineering or related field.
  • 8+ years of practical experience applying MBSE principles and techniques.
  • Experience leading multiple MBSE efforts concurrently.
  • Experience in the defense industry, specifically with BAE Systems programs.
  • Strong proficiency in multiple MBSE modeling languages (SysML, UML, UAF, DoDAF/UPDM).Experience with MBSE tools (e.g., Cameo Systems Modeler/MagicDraw, Enterprise Architect, Rhapsody).
  • Familiarity with Digital Enterprise (DE) concepts and cloud-based technologies.
  • Experience with model federation and integration.
  • Experience with requirements management tools (e.g., DOORS).
  • Demonstrated ability to develop and deliver training materials.
  • Experience mentoring junior engineers in MBSE principles.
  • Proven ability to influence and drive adoption of MBSE best practices.
  • Active security clearance.

Salary Min Point

118095

Travel Percentage

<10%

U.S. Person Required

Yes

Typical Education and Experience

Typically a Bachelor's Degree and 6 years work experience or equivalent experience

Job Category

Engineering & Technology

Physical location of the job

Remote Work Considered

U.S. Citizenship Required

Yes
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