2026 Software Developer Engineer II - Onsite

• 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
• 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

• Master's degree in a Science, Technology, Engineering, or Mathematics (STEM) field (including computer science).
• Experience with at least one object oriented programming language (Python, C++, Java, C#, etc)

Experience may be obtained through on-the-job experience, research, coursework, or projects, * Specific majors: Computer Science, Computer/Electrical Engineering, Software Engineering, Mechanical Engineering, Aerospace Engineering

• 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.

• Prior experience with classified material
• Active and transferable U.S. government issued SECRET or TOP SECRET security clearance

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.

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 Engineer II. This is an onsite role in Tucson, AZ, with the potential for occasional travel, perhaps a few times a year.