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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Engineer - Software Responsible Systems Engineer - **Company:** RTX - **Location:** Los Angeles, CA, United States - **Experience:** Expert - **Salary:** $86,800.0 - $165,200.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Systems Engineering, Embedded Software, Firmware, Software Engineering, Software Requirements Analysis, Verification and Validation (Software), Systems Integration, Technical Data Management Systems, Information Technology, Hardware Infrastructure - **Published:** September 11, 2026 - **Apply:** https://www.thejobnetwork.com/job/b204d225-477e-44aa-aa80-6493ca289a07/sr-software-responsible-systems-engineer-rse ## About the Role * Typically requires a Bachelor's in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of five (5) years of prior relevant experience * Experience with at least one of the following: systems software, systems firmware, systems hardware, systems requirements, systems integration, and/or systems test. * Experience in test planning, verification of system requirements and/or formal qualification, * Masters or PhD in Engineering, Computer Science, Math or Physics * Top Secret Clearance * Experience in the Defense Industry and specifically with military systems; tactics, techniques, and procedures, as well as Department of Defense customer infrastructure experience. * Experience using Agile framework development methods / processes * Experience with software Formal Qualification Testing (FQT) * Experience with performance analysis * Experience with embedded software or firmware algorithms on missile products * Experience with software or firmware requirements development on missile products * Experience with DOORS, Cameo and/or cPDM * Understanding of the Systems Engineering Product Development Cycle, * 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. https://careers.rtx.com/global/en/raytheon-tucson,-az-location ## Description The Systems Engineering and Test Center (SETC) organization is currently hiring a Sr. Systems Engineer - Software Responsible Systems Engineer (RSE) to join our Tucson, AZ team in the Advanced Technology Effectors System Engineering Department. The SETC organization is an exciting and challenging environment where you will have the opportunity to design, develop and partner with multi-disciplines to shape innovative solutions for our customers. Join our organization and experience the Systems V 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, and strengthen our systems to work the first time and every time for our warfighters! As a Sr. Systems Engineer - Software Responsible Systems Engineer (RSE) you will own the development and maintenance of all software and firmware level requirements and participate in compliance assessment and issue troubleshooting during formal qualification testing (FQT). You will contribute to specifications of major systems and subsystems in the product technical data package, coordinating with Systems, Software, and Test teams to execute program tasks. This role is fully Onsite in Tucson, AZ. What You Will Do * Update and maintain all software and firmware system and subsystem level requirements specifications. * SE technical contributor for verification and validation efforts, ensuring all requirements are being assessed during Formal Qualification Testing * Work closely with the Systems, Software, and Test teams and IPTs on a variety of program technical tasks * Participate in technical conversations with the customer * Become a knowledgeable and 'go-to' Systems Engineer for the program ## Related Videos - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) - [ShapeShift: Reinventing Agile for a B2B SaaS Scale-Up](https://www.wearedevelopers.com/videos/1655-shapeshift-reinventing-agile-for-a-b2b-saas-scale-up) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [Robots are coming into the wild! Full-Stack Robotics Engineers, be ready!](https://www.wearedevelopers.com/videos/479-robots-are-coming-into-the-wild-full-stack-robotics-engineers-be-ready) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Breaking the Hardware Mindset: Overcoming Barriers to System-Level Innovation](https://www.wearedevelopers.com/videos/1635-breaking-the-hardware-mindset-overcoming-barriers-to-system-level-innovation) ## Related Articles - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The Ultimate Software Engineer Career Path Guide for 2023](https://www.wearedevelopers.com/magazine/146-the-ultimate-software-engineer-career-path-guide-for-2023)