Systems Engineer II

RTX (Raytheon); Tucson (AZ); On-site; USD 85,000 - 110,000; Full time

Job summary

RTX (Raytheon) in Tucson, AZ is seeking a Systems Engineer II to join our Systems Engineering and Test Center (SETC). You will design, develop and test defense systems, collaborating across disciplines to ensure mission readiness.

The role emphasizes requirements management, model-based systems engineering, and integration of hardware and software. Travel to RTX facilities and customer sites may be required.

Qualifications

• Degree in Science, Technology, Engineering or Mathematics (STEM) and 2+ years of relevant experience.
• Experience with system requirements, integration or testing.

Responsibilities

• Update and improve system requirements and architecture using MBSE.
• Develop test plans and verification documentation for simulations and real tests.
• Integrate hardware and software into tactical systems and evaluate functionality.
• Create design reviews documentation and test event prep.
• Analyze data to troubleshoot hardware, software, and system issues.
• Travel as needed to RTX facilities and customer sites.

Skills

Systems Engineering

Requirements analysis

Systems integration

System testing

Data analysis

Education

STEM degree

Tools

DOORS

Cameo

MBSE tools

Job description

Date Posted: 2026-09-21

Country: United States of America

Location: US-AZ-TUCSON-848 ~ 1151 E Hermans Rd ~ BLDG 848

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.

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.

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.

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 D o

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 test reports.

What We Offer

Our values drive our actions, b