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Senior Systems Engineer (MBSE) (Onsite)

RTX
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Alexandria, VA, USA
Sep 20, 2026

Date Posted:

2026-08-28

Country:

United States of America

Location:

US-VA-ALEXANDRIA-7900-CUST ~ 7900 Telegraph Rd ~ 7900-CUST (External Site)

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:

TS/SCI with CI Poly - Current

Security Clearance Status:

Active and existing security clearance required on day 1

At RTX, the world's 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 freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Raytheon is seeking a Senior Systems Engineer to perform Model Based Systems Engineering (MBSE) in support of enterprise-wide systems engineering and integration support within the Intelligence Community. The ideal candidate will apply MBSE and Digital Engineering practices to define system architecture, manage interfaces, and ensure traceability of requirements to technical solutions. This position requires close collaboration with government stakeholders and other entities. You will contribute to the advancement of products, processes, and operational frameworks while enhancing mission effectiveness and operational resilience. The role is performed in a SCIF environment and provides flexible work hours designed to promote a healthy work-life balance. Location: Alexandria, Virginia

What You Will Do

  • Apply MBSE and Digital Engineering practices across the full system engineering lifecycle. 
  • Support program and customer Digital Transformation initiatives, including roadmap development and implementation. 
  • Provide MBSE and systems engineering support to the Systems Integration (SI) team, ensuring alignment with program objectives. 
  • Collaborate across multi-disciplinary engineering teams to drive digital continuity, configuration management, and model governance. 
  • Contribute to the development of MBSE best practices, templates, and modeling standards to elevate engineering maturity. 

Qualifications You Must Have

  • Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 5 years of prior engineering experience or equivalent experience.
  • Experience in MBSE and Cameo (or similar tools like Rhapsody, Enterprise Architect, Capella) 
  • Experience with unified Architecture Framework (UAF) for defense/aerospace environments, Digital Engineering practices, and tool chains to enhance design, integration, and test workflows. 
  • Experience with systems engineering processes (requirements, architecture, integration, verification & validation). 
  • An active and transferable TS/SCI CI Poly 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 the required security clearance.

Qualifications We Prefer

  • Advance innovation in modeling, simulation, and automation as part of a growing MBSE capability. 
  • Experience with project management and/or system integration.    
  • Experience working collaboratively in a team environment (Government, Military, SETA, and Contractor).
  • Experience in enterprise-level planning, testing, and implementation.  

What We Offer

  • Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.
  • Relocation Eligible - Relocation assistance available

Learn More & Apply Now!

  • Please consider the following role type definition as you apply for this role.
  • 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 86,800 USD - 165,200 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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Job ID

01870897
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