Principal Systems Engineer (MBSE)

Date Posted:

2026-03-27

Country:

United States of America

Location:

US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDG

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​

Security Clearance Type:

DoD Clearance: Secret

Security Clearance Status:

Active and existing security clearance required on day 1

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression.  We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat.  Our team solves tough, meaningful problems that create a safer, more secure world.  

The Systems Engineering & Test Capabilities center includes all the engineering disciplines responsible for systems design & test on all Raytheon products. Our engineers are responsible for all elements of the development lifecycles for tests including test requirements, test system design, flight simulations, hardware-in-the-loop, computer-in-the-loop, advanced engineering prototyping technology, flight operations for manned and unmanned vehicles, environmental testing, environmental characterization, and engineering laboratory management. We are hands-on, designing with the latest technology and tools, and integrate state-of-the-art test solutions with the most advanced engineering systems in the world.

The Model-Based Systems Engineer (MBSE) Engagements Subject Matter Expert (SME) will drive the implementation of Model-Based Systems Engineering (MBSE) at Raytheon. You will collaborate with the Raytheon Systems Engineering solution development teams to implement Model Based Engineering (MBE) capabilities and practices as part of the standard Raytheon Digital Engineering Ecosystem. You come to this role with a strong background in hardware product development combined with experience in MBSE, Model-Based Engineering (MBE), and Model-Based Product Line Engineering (MBPLE). This is an onsite role located in Tewksbury, MA.

What Will You Do

• Drive Systems Engineering processes on your engagements

• Create and validate MBSE models including Stakeholder Needs/Requirements; Behavioral Diagrams; Structural Diagrams; Measures of effectiveness/technical performance measures

• Support the development of connectivity between MBSE tools and other hardware design/analysis tools

• Create specifications, interface descriptions, execute trade studies and analyses

• Lead multiple tool and environment integrations

• Develop and share best practices, mentor, and train others

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of eight (8) years of prior relevant experience

• Experience with systems, mechanical, or electrical design and analysis tools

• Experience with requirements development and management

• Experience with Cameo/MagicDraw/Teamwork Cloud and SysML modeling

• Experience with MagicGrid methodology and framework

• Experience developing products in various product development lifecycles including agile and waterfall

• Experience in integrating COTS solutions

Qualifications We Prefer

• Familiarity with Department of Defense Architecture Framework (DoDAF) or Unified Architecture Framework (UAF)

• Familiarity with digital twin concepts

• Familiarity with Syndeia (semantic broker) by Intercax

• Familiarity with Product Line Engineering (PLE) and applying concepts to a SysML model

• Familiarity in digital ecosystems and data connectivity via digital threads

• Familiarity in data visualization in various tools including Power BI, Kibana, and/or Grafana

• Exposure to MBSE starting point models and MBSE Digital Engineering Environments

• OMG Certified Systems Modeling Professional (OCSMP) – Model User or Model Builder – Fundamental

• INCOSE Associate Systems Engineering Professional (ASEP)

• Ability to prepare and present status, plans, and risks to management

What We Offer

• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At