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Salary
$76k – $144k per year
Location
In office (Tucson)
Seniority
Middle · 2+ years exp
Visa
H-1B filings in 12 months: 10 · green card filings: 1
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 11, 2026. First seen by Alion on Nov 11, 2026. RTX scores B on the Alion truth index.

Overview
Company
Impact
Profile match

RTX

RTX is an American aerospace and defense company formed in 2020 by the merger of United Technologies and Raytheon. It operates through three businesses: Collins Aerospace, which makes avionics, aircraft interiors and aerostructures, Pratt & Whitney, which builds commercial and military jet engines, and Raytheon, which produces missiles, air defense systems such as Patriot, radars and sensors. Its customers include airlines, aircraft manufacturers, the United States Department of Defense and allied governments. The company is headquartered in Arlington, Virginia, United States.

Date Posted:

2026-11-11

Country:

United States of America

Location:

US-AZ-TUCSON-800 ~ 1151 E Hermans Rd ~ BLDG 800

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 Tucson, AZ.

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
  • Experience in systems engineering for hardware or integrated hardware/software product development
  • Experience with system requirements, architectures, and /or interfaces with traceability across engineering artifacts
  • Experience developing SysML models using Cameo Systems Modeler, Cameo Enterprise Architecture, or equivalent MagicDraw tools, including basic collaboration through Teamwork Cloud
  • Experience with MBSE frameworks such as MagicGrid or similar structured methodologies

Qualifications We Prefer

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

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.

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