2026 Systems Engineer I - Onsite

RTX • Tucson, AZ

23h • Onsite

About The Position

Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX. 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. At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring 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. Our team solves tough, meaningful problems that create a safer, more secure world. As part of the Systems Engineering and Test Capabilities (SE&TC) Discipline, you’ll immerse yourself in the Systems V Engineering Lifecyle, bringing cutting-edge systems to life. You’ll collaborate across disciplines, from subject matter experts to chief technologists, ensuring systems are designed, integrated, tested, and strengthened to perform flawlessly for our warfighters. This role is 100% on-site at our Tucson, AZ campus with the possibility of occasional travel.

Requirements

• Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM).
• This position requires 12 months or less of professional experience (excluding internships).
• Experience with systems requirements, systems integration, systems test, systems software, and/or systems hardware.

Nice To Haves

• Experience in the Defense Industry specifically with military systems and procedures.
• Understanding of the Systems Engineering Product Cycle.
• Experience working in an integration lab, test facility, or in the field supporting integration and/or verification.
• Experience with generating technical documentation such as trade studies, test plans, test procedures, or technical reports.
• Experience in developing and managing system requirements.
• Experience with model-based systems engineering and associated tools such as DOORS, Rhapsody, and Cameo.
• Experience with data analysis and presenting analytical and technical material.
• Experience interfacing with internal and external customers.

Responsibilities

• Core Systems Engineering: Update, develop, maintain, and improve requirements, Concepts of Operations (CONOPS), and define system interfaces.
• 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 teams to integrate hardware and software into tactical systems, evaluating their functionality and impact.
• Create/modify documentation in support of reviews associated with formal testing, which may include Test Readiness Review (TRR), Consent to Ship (CTS), and Test Data Review (TDR) packages.
• 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.
• Document and Communicate: Develop integration documentation, execute plans, analyze data, verify requirements and effectively communicate results to leadership and stakeholders.
• Perform Data Analysis: Conduct statistical and numerical analysis to ensure optimal system performance and verify requirements.
• Present Findings: Present technical findings and solutions to leadership and customers.
• Drive Performance: Collaborate across functions to drive performance improvements and resolve system issues.
• Decision analysis & Resolution: Conduct trade studies and present results to stakeholders.
• Support Missions: Travel as needed (potentially up to 25%) to support mission execution at various locations including local RTX facilities, test sites, vendor facilities, and customer locations.

Benefits

• At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.
• Relocation eligible
• 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.
• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level
• Number of Employees: 5,001-10,000 employees