Principal Systems Engineer (MBSE)

Company: RTX
Location: Mckinney
Posted on: April 1, 2026

Job Description:

Date Posted: 2026-03-27 Country: United States of America Location: US-TX-MCKINNEY-513WC ~ 2501 W University Dr ~ WING C 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 McKinney, TX. 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 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 107,500 USD - 204,500 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. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Keywords: RTX, McKinney , Principal Systems Engineer (MBSE), Engineering , Mckinney, Texas