Senior Principal Systems Engineer (MBSE)

Location: US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDG Date Posted: 2026-07-02 Position: Model-Based Systems Engineer (MBSE) Engagements Subject Matter Expert (SME) 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. The Model-Based Systems Engineer (MBSE) Engagements Subject Matter Expert (SME) will drive the implementation of Model-Based Systems Engineering (MBSE) solutions 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, MBE, and Model-Based Product Line Engineering (MBPLE). This is an onsite role located in Tewksbury, MA, Marlborough, MA, Woburn, MA, or Aurora, CO. What You Will 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 ten (10) years of relevant prior experience in MBSE 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 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 with data visualization tools including Power BI, Kibana, and/or Grafana Exposure to MBSE starting point models and MBSE Digital Engineering Environments Ability to prepare and present status, plans, and risks to management OMG Certified Systems Modeling Professional (OCSMP) INCOSE Associate Systems Engineering Professional (ASEP) Familiarity with Department of Defense Architecture Framework (DoDAF) or Unified Architecture Framework (UAF) Compensation and Benefits Salary range: 132,400 USD – 251,600 USD Eligibility for benefits including medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays (specific benefits depend on the business unit and contract). Eligible for annual short-term and/or long-term incentive compensation programs depending on level and collective bargaining agreement. Relocation assistance available. Equal Opportunity Employer RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. #J-18808-Ljbffr Raytheon