Senior Systems Engineer – Digital Engineering / MBSE

Date Posted:

2026-11-11

Country:

United States of America

Location:

US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01

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 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 freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

The Senior Systems Engineer - Digital Engineering / MBSE Innovator will play a key role in advancing digital engineering practices across RTX programs. As a Senior Systems Engineer and MBSE subject matter expert, you will take technical ownership of modeling activities, guide program teams in the application of MBSE methods, and help evolve our Digital Engineering Ecosystem. You will lead the development of system models, shape modeling approaches, and ensure model‑based artifacts effectively support design, analysis, verification, and program decision‑making. You will collaborate across multi‑disciplinary engineering teams, influence technical direction, and provide mentorship to early‑career engineers. This is an onsite role located in El Segundo, CA or Fullerton, CA.

What You Will Do

• Lead development of SysML models that capture stakeholder needs, requirements, behavior, architecture, and interfaces.
• Guide MBSE implementation on programs, ensuring modeling approaches align to systems engineering processes, program objectives, and customer expectations.
• Use system models to generate specifications, perform trade studies, support interface definition, and assess technical performance.
• Drive integration of MBSE models into digital threads, linking requirements, design, and analysis across engineering tools and environments.
• Promote and apply reusable modeling practices, standards, and MBSE starter models to increase consistency and modeling efficiency.
• Mentor Systems Engineers and Modelers, sharing best practices and enabling teams to effectively adopt MBSE workflows.
• Communicate technical progress, risks, and recommendations to program leadership, presenting model insights to support engineering decisions.

Qualifications You Must Have

• Typically requires a STEM degree and at least 5 years of relevant engineering experience
• Experience applying systems engineering to hardware or integrated hardware/software system development
• Experience developing system requirements, architectures, and interface definitions with traceability across engineering artifacts
• Experience with SysML modeling using Cameo Systems Modeler, Cameo Enterprise Architecture, or equivalent MagicDraw tools, and Teamwork Cloud collaboration

Qualifications We Prefer

• Experience leading MBSE adoption, modeling activities, or small modeling teams within engineering programs
• Experience with engineering design or analysis tools used across the product development lifecycle
• Familiarity with digital thread concepts, digital twin workflows, and integration of MBSE tools within Digital Engineering environments
• Experience using Syndeia or similar tools to connect models with requirements, design, or analysis data
• Exposure to Model-Based Product Line Engineering (MBPLE) and reusable SysML architectures.
• Familiarity with data‑visualization tools such as Power BI, Kibana, or Grafana

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.
• This position is eligible for relocation assistance.

Learn More & Apply Now!

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 95,500 USD - 181,700 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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