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Systems Engineer II – Digital Engineering / MBSE

RTX Corporation

fullerton, CAJob$76–144K/yrPosted 1 day agoSeen in employer's feed today

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At a glance

Compensation
$76–144K/yr
Location
fullerton, CA
Work Authorization
US work authorization required

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

Secret clearance, required

Job overview

The Model-Based Systems Engineering Specialist supports Raytheon program teams in translating mission needs into system architectures and engineering artifacts using model-based approaches. The Systems Engineer II contributes to hands-on modeling, digital engineering adoption, and integration of system models within Raytheon’s Digital Engineering Ecosystem. The role collaborates with cross-functional engineering teams and supports technical decisions that improve system understanding, traceability, and product development efficiency.

Skills & qualifications

RequiredNice to have

Skills

Systems Engineering, requiredHardware Development, requiredHardware Software Integration, requiredRequirements Development, requiredSystem Architecture, requiredInterface Development, requiredTraceability, requiredSysML Modeling, requiredCameo Systems Modeler, requiredCameo Enterprise Architecture, requiredMagicDraw, requiredTeamwork Cloud, requiredMBSE Adoption, nice to haveDigital Thread, nice to haveSyndeia, nice to haveSystems Model Connectivity, nice to haveEngineering Design Tools, nice to haveEngineering Analysis Tools, nice to haveModel Based Product Line Engineering, nice to haveReusable SysML Architectures, nice to haveMBSE Starter Models, nice to haveModeling Standards, nice to havePower BI, nice to haveKibana, nice to haveGrafana, nice to have

Qualifications

STEM Degree or Equivalent Experience, required2+ Years Relevant Engineering Experience, requiredU.S. Citizenship, requiredActive DoD Secret Clearance, required

Benefits

Relocation Assistance
Medical Insurance
Dental Insurance
Vision Insurance
401(k) Match
Parental Leave
Paid Time Off

Full job description

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 Model‑Based Systems Engineering (MBSE) Specialist will support Raytheon program teams in translating mission needs into system architectures and engineering artifacts using model‑based approaches. As a Systems Engineer II with developing MBSE expertise, you will contribute to hands‑on modeling activities, help programs adopt digital engineering practices, and support integration of system models within Raytheon’s broader Digital Engineering Ecosystem. You will collaborate with cross‑functional engineering teams and participate in technical decisions that enhance system understanding, traceability, and product development efficiency. This is an onsite role located in El Segundo, CA or Fullerton, CA.

What You Will Do

  • Develop SysML models that capture stakeholder needs, system requirements, behaviors, architectures, and interfaces.

  • Support MBSE implementation efforts, ensuring modeling approaches align with program objectives and systems engineering processes.

  • Use system models to support development of specifications, trade studies, and assessments of technical performance and system effectiveness.

  • Assist with integrating MBSE models into digital threads, connecting requirements, design, and analysis data.

  • Collaborate with engineering teams to apply reusable modeling methods, standards, and digital engineering capabilities.

  • Communicate technical progress and support documentation of risks, issues, and recommendations for program leadership.

Qualifications You Must Have

  • Typically requires a STEM degree and at least 2 years of relevant engineering experience (or equivalent combination of education and experience)

  • Experience in systems engineering for hardware or integrated hardware/software product development

  • Experience developing system requirements, architectures, and interfaces with traceability across engineering artifacts

  • Experience with SysML models using Cameo Systems Modeler, Cameo Enterprise Architecture, or equivalent MagicDraw tools, including basic collaboration through Teamwork Cloud

Qualifications We Prefer

  • Experience participating in MBSE adoption efforts or supporting modeling tasks on engineering programs

  • Familiarity with digital thread concepts and tool integrations used in Digital Engineering environments

  • Experience with tools such as Syndeia by Intercax or similar systems‑model connectivity platforms

  • Exposure to engineering design or analysis tools used within product development lifecycles

  • Exposure to Model‑Based Product Line Engineering (MBPLE) or reusable SysML architectures

  • Familiarity with MBSE starter models, modeling standards, or Raytheon’s Digital Engineering Ecosystem

  • Experience using 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!

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 75,800 USD - 144,200 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.

Privacy Policy and Terms:

Click on this link (http://www.rtx.com/privacy/Job-Applicant-Privacy-Notice) to read the Policy and Terms

Raytheon Technologies is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.

How this job compares

Set against the 11,649 open Systems Engineer jobs on Olive Jobs, counted November 12, 2026.

Pay
  • This posting$76–144K/yr
  • California median$140–210K/yr1,702 salary ranges
  • US median$115–187K/yr8,794 salary ranges

This range's midpoint, $110K, is 37% below the California median midpoint ($174K) — in the lowest quarter of Systems Engineer salary ranges in California.

Openings
Olive Jobs lists 1,978 open Systems Engineer jobs in California and 11,649 across the US. 5% of them nationwide are listed as remote or flexible.
Hiring the most in California
Experience
This posting asks for at least 2 years of experience — less than three in four Systems Engineer postings that state a minimum ask for (median 5 years, across 9,717 postings).
Education
4,385 of the 11,649 open Systems Engineer jobs (38%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 12, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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