Senior Principal Systems Engineer (MBSE)
RTXDate Posted:
2026-05-06Country:
United States of AmericaLocation:
US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDGPosition Role Type:
OnsiteU.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 clearanceSecurity Clearance Type:
DoD Clearance: SecretSecurity Clearance Status:
Active and existing security clearance required on day 1At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.
Raytheon brings 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. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.
The Model-Based Senior Principal Systems Engineer 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 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 with data visualization 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 RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.
This position is eligible for relocation assistance.
Learn More & Apply Now
Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:
Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.
As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
The salary range for this role is 132,400 USD - 251,600 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, 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 are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.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.
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