Model Systems Engineering Jobs in Justin, TX (NOW HIRING)

Date Posted:

2026-07-16

Country:

United States of America

Location:

US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805

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:

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

At RTX, the world 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.

We're growing fast and we want you to grow with us! We're expanding our engineering organization dramatically to meet exciting customer demand, and we're actively looking for engineers who bring strong foundational skills and a passion for solving hard problems. Industry experience in defense? Not required — we'll invest in you. If you meet the minimum qualifications, we want to talk. Apply today and take the next step in your engineering career.

Are you passionate about turning innovative concepts into reality? Do you thrive in dynamic environments? Raytheon is seeking a talented and motivated Systems Engineer to join our team within the Systems Engineering and Test Capabilities (SETC) Discipline, supporting a range of programs. This role offers a unique opportunity to work across the full lifecycle of the product, from concept to deployment

Every day will bring new challenges, requiring you to collaborate across disciplines to troubleshoot issues, perform data analysis, and implement solutions. Your contributions will directly impact the success of mission-critical defense systems, and you'll have a hands-on role in ensuring the entire system functions seamlessly.

The Systems Engineering and Test Center (SETC) organization is currently hiring a Systems Engineer II to join our Tucson, AZ location. SETC is an exciting and challenging environment where you will have the opportunity to design, develop and test to shape innovative solutions for our customers. Join our organization and experience the Systems engineering life cycle while interfacing with a variety of engineering disciplines, subject matter experts, chief engineers, chief technologists, the customer, and so many more to ensure we design, integrate, test and strengthen our systems to work the first time and every time for our warfighters!

In this role, you will have the opportunity to work on an effectors project pertinent to the systems lifecycle. 

What You Will Do

In this Systems Engineer role, you may support some of the following types of activities:

• Core Systems Engineering: Update, maintain, and improve requirements. Develop system architecture and model using Model Based Systems Engineering. Conduct trade studies based on Concept of Operations. Collaborate with engineers of all disciplines.

• Perform Test Planning: Develop and implement test plans, procedures, integration, and verification documentation in both simulated and real-world environments and perform/execute the testing

• Integrate Systems: Collaborate with multi-disciplinary team to integrate hardware and software into tactical systems, evaluating their functionality and impact. Evaluate test results for requirements compliance.

• Create/modify documentation in support of design reviews and in preparation for test events.

• Perform Platform Integration, Flight Test, Qualification, Design Verification Execution

• Troubleshoot and Analyze: Identify and resolve hardware, software, and system issues through detailed data analysis and debugging.

• Perform Data Analysis: Conduct statistical and numerical analysis test data to ensure optimal system performance and verify requirements.

• Support Missions: Travel as needed to support mission execution at various locations including local RTX facilities, test sites, vendor facilities, and customer locations.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 2 years of prior relevant experience

• Experience with systems requirements, systems integration, and/or systems test.

Qualifications We Prefer

• Experience in the Defense Industry, and specifically with military systems; tactics, techniques, and procedures, as well as Department of Defense customer infrastructure experience.

• Understanding of the Systems Engineering product lifecycle

• Experience with performing performance analysis and presenting analytical and technical material

• Experience with DOORS, Cameo, or other digital engineering tools.

• Experience with model-based engineering and associated tools

• Experience in developing and managing requirements.

• Experience working in an integration lab, test facility, or in the field, supporting integration and/or verification.

• Experience with evaluating systems using simulated environments.

• Experience with generating technical documentation, such as trade studies, test plans, procedures, or technical reports.

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.

• Relocation assistance

Learn More & Apply Now!

• This role is 100% on-site at our Tucson, AZ site.

• 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 68,900 USD - 131,100 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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