> Markdown version of [/jobs/ext/4029774-software-engineer-ii-onsite](https://www.wearedevelopers.com/jobs/ext/4029774-software-engineer-ii-onsite). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer II - (Onsite) - **Company:** RTX - **Location:** Tucson, AZ, United States - **Salary:** $75,800.0 - $144,200.0 - **Contract:** Internship / Graduate position - **Skills:** Testing (Software), Java (Programming Language), Data Analysis, C++ (Programming Language), Network Analysis, Computer Programming, Perl (Programming Language), Hardware-In-The-Loop Simulation, Python (Programming Language), MATLAB, Object-Oriented Software Development, Real-Time Operating Systems, Software Engineering, Product Software Implementation Methods, Systems Integration, Scripting, Model-Driven Development, SC Clearance, Infrastructure Automation Frameworks, Information Technology, Hardware Infrastructure - **Published:** October 30, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3479377062&tx=TT4542THT&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role Active and transferable U.S. government issued security clearance is required prior to start date., Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date, * Masters degree in Computer Science, Software Engineering or related Science, Technology, Engineering or Mathematics (STEM) major obtained by start date * Completed academic or internship projects involving real-time operating systems and object-oriented programming * Experience collaborating with multidisciplinary teams to design, integrate, or troubleshoot complex software test environments * Experience programming in languages such as Java, C, or C++, and scripting languages such as Python, Perl, or MATLAB for data analysis or automation Experience may be obtained through job experience, research, coursework, or projects Qualifications We Prefer: * Experience with RF theory and application in systems. * Experience with electronics design and/or conducting data analysis using tools such as Matlab. * Experience troubleshooting systems using test equipment such as oscilloscopes, logic analyzers, network analyzers, and/or spectrum analyzers. * Knowledge of networking and IP addressed based equipment. * Experience with systems requirements, systems integration, systems test, systems software, and/or systems hardware. ## Description The Hardware in the Loop (HWIL) Department in Tucson, AZ is a multi-discipline organization responsible for designing, building and integrating state of the art testing environments (flight simulators for missiles), as the last step before flight test. On our team, you will work with weapon system designers to understand requirements, design solutions, integrate, and deploy the systems to help support tactical software development, testing, and delivery for missiles to the warfighter. This position is within the Effectors Center of the HWIL organization, and is an onsite role located in Tucson, AZ. As an Software Engineer at Raytheon you will: * Collaborate in a multi-disciplinary team to develop software to control Hardware-In-the-Loop (HWIL) facilities (flight simulators for missiles). * Determines end user needs by analyzing system capabilities to resolve problems on program intent, output requirements and input data acquisition. Ensures hardware and software standards are met. * Designs and implements build procedures that are used to support hardware and software product development and use. * Software design, coding and integration in a real-time environment. * May train software developers in the use of configuration management tools and the implementation of software quality standards. Includes control modeling (model based design), * 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. * This position requires the ability to obtain a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm 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.