2026 Intern - Raytheon Software Developer - Onsite

RTX•Tucson, AZ

2d•$37,000 - $82,000•Onsite

About The Position

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. The Integrated Solutions, Modeling, and Architecture (ISMA) directorate assesses, develops, and evaluates solution architectures for our customers’ largest, most complex challenges across all the operational domains. In the Operations and Mission Analysis Department you’ll be part of a special team that analyzes the world’s most challenging threats and helps define new capabilities to counter them, pushing the boundaries of innovation, and leading the industry in operational modeling and simulation using our purpose-built software. As a team member in the Air Dominance Modeling and Analysis section, you will join a high-performing team of engineers working with high-fidelity sensor, platform, and weapon simulations to provide actionable analysis to the Department of Defense and the Warfighter. Raytheon is currently seeking a Kill Chain Software Developer Intern for Summer 2026. This is an onsite role in Tucson, AZ.

Requirements

Pursuing a Bachelor’s or advanced degree in Computer Science or Software Engineering
This position is for an intern who is enrolled in a Bachelor's or Master's degree program and will be a Senior or Post Graduate standing level by the start of Summer 2026
Experience with at least one object oriented programming language (Python, C++, Java, C#, etc)
Experience with Linux and Linux command line
The ability to obtain and maintain a U.S. government issued security clearance is required.
U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Active and existing security clearance required after day 1

Nice To Haves

Cumulative GPA ≥ 3.0
Coursework, internship, projects or work experience in the following areas: Simulation modeling, development, and/or analysis of physical systems
Agile development methodologies
Probability and statistics
Software development processes and object-oriented design using and/or Python in either Unix or Linux computing environments.
Software Configuration Management tools and processes (git, subversion, mercurial)
Computation on high-performance computing (HPC) grids/clusters, SLURM
Distributed simulation communication standards (DIS, TENA, HLA)
DevOps tools, processes, and methods
Demonstrated ability in the following areas: Excellent communication skills and ability to effectively collaborate with peers, customers, management, and functional partners (IT, Cyber Security, Security).
Creation and presentation of effective technical reports in PowerPoint and Document form.

Responsibilities

Actively participate as a member of an agile development team
Design, Develop, Review and Test new software features in an all-digital distributed simulation environment
Work closely with senior developers to implement APIs and integration external high-fidelity digital simulation software into Raytheon’s Air Dominance Testbed and Air Combat Evaluation Model®.
Provide direct Warfighter support by developing software used to inform operator tactics and procedures.
Work with Subject Matter Experts to verify and validate digital simulation performance
Work cross-domain to develop medium-fidelity physics models of conceptual missile systems
Expand your knowledge base in various software and system components to be able to support a wide variety of software development tasks.

Benefits

flexible work schedules
medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays

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