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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Test Systems Engineer (onsite Tucson, AZ) - **Company:** RTX - **Location:** Tucson, AZ, United States - **Experience:** Expert - **Salary:** $86,800.0 - $165,200.0 - **Contract:** Contract - **Skills:** Activity Diagram, Agile Methodology, Systems Engineering, Cloud Computing, Software Debugging, Hardware Design, IBM Rational Software, Object-Oriented Software Development, Rhapsody, Software Engineering, Software Requirements Analysis, Subsystems, Systems Modeling Language, Systems Integration, Test Execution Engine, Strategies of Testing, UML, Integration Tests - **Published:** July 7, 2026 - **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-AZ-TUCSON-M10--3360-E-Hemisphere-Loop--BLDG-M10/Senior-Test-Systems-Engineer--onsite-Tucson--AZ-_01857466 ## About the Role Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance, Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date, As a Senior Test Systems Engineer, you are accountable to coordinate across all engineering teams to define, design, and document Test Environment capabilities and requirements. You must be a systems thinker, able to see the "big picture", and have the in-depth knowledge of development, production, User Operations, and embedded test process and practices. In this role, you will define and influence how prime hardware will be tested at every level (from component to All-Up-Round) to ensure robustness and efficiency. You need excellent written and verbal communication skills and the ability to work autonomously yet collaboratively in a team environment. You will generate briefings and present material to team members, customers, and Raytheon Management., * Bachelor's Degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of five (5) years' prior relevant engineering experience OR an advanced degree and 3 years of experience. * Experience in Systems Engineering with an emphasis on test requirements development, test methodologies, test requirements documents, integration, verification, and/or validation for test. * Experience with developing, decomposing, and managing system requirements across a product lifecycle such as design and transition to production. * Experience with Model Based Engineering processes, techniques, and tools (Rhapsody and IBM Rational Model Manager and/or Cameo Systems Modeler/Enterprise Architect and Teamwork Cloud preferred, with experience in Systems Modeling Language (SysML), and/or Unified Modeling Language (UML). * Experience with test related activities throughout the product lifecycle. * The ability to obtain and maintain a US security clearance prior to the start date. U.S. citizenship is required as only U.S. citizens are eligible for a security clearance Qualifications We Prefer * Experience leading small teams, or mentoring junior engineers * Experience with Agile processes and techniques. * Experience with Dynamic Object-Oriented Requirements System (DOORS). * Experience with development, environmental, qualification, production, manufacturing and operations testing * Experience problem solving and debugging. * Experience working cross-functionally, within and outside your own team, to support the development and growth of work tasks * Experience in developing, decomposing, and managing systems requirements * Experience recognizing areas of improvement or customer needs and relaying them to senior staff as business development possibilities. * Experience demonstrating a sense of urgency, prudent risk-taking and adaptive response to challenges. * Experience working with customers, end users, hardware design teams, and software design teams. * Experience with Systems Integration, test execution, and test results documentation. * Experience with embedded test techniques, design for test, design margin analysis, and/or design for manufacturing. * Experience with Systems Engineering standard views such as Block Definition Diagrams, Context Diagrams, Use Case Diagrams, Sequence Diagrams, and Activity Diagrams. * Experience in developing Integrated Test and Evaluation Plans., 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. Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee's personal responsibility. Requires advanced knowledge of work area typically obtained through advanced education combined with experience. May have practical knowledge of project management. Practical to substantial knowledge of RTX projects, programs or systems with the ability to make enhancements and leverage in daily work. Typically requires: A University Degree or equivalent experience and minimum 5 years prior relevant experience, or An Advanced Degree in a related field and minimum 3 years experience. Engineering/Other Technical Positions: Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience unless prohibited by local laws/regulations. 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. ## Description * You will apply your knowledge of the subsystem and collaborate with other Engineering disciplines to develop and implement the subsystem model using Model Based System Engineering tools and methods. * Detail capabilities and derive requirements. * Communicate test equipment needs and requirements to Test Equipment designers. * Manage requirements and traceability. * Leverage and apply reuse of Test Environment requirements and models to promote efficiency in test design and development. * You will develop subsystem requirements, interfaces, behaviors, and architecture. * You will interact with Technical SMEs as necessary to fully understand the subsystem including identifying and resolving issues and supporting related subsystem trades or analysis. ## Related Videos - [Why Your Best Mediors Never Become Seniors (And How to Fix It)](https://www.wearedevelopers.com/videos/2108-why-your-best-mediors-never-become-seniors-and-how-to-fix-it) - [10M Data Records Lost, Underwater Computing, and Psychedelic Fish - Matthias Geniar](https://www.wearedevelopers.com/videos/1908-10m-data-records-lost-underwater-computing-and-psychedelic-fish-matthias-geniar) - [ChatGPT and Java: A Match Made in Heaven or Hell?](https://www.wearedevelopers.com/videos/536-chatgpt-and-java-a-match-made-in-heaven-or-hell) - [SMART Test Automation - the experience of legacy transformation](https://www.wearedevelopers.com/videos/100215-smart-test-automation-the-experience-of-legacy-transformation) - [Develop on Windows, Deploy on Red Hat Enterprise Linux](https://www.wearedevelopers.com/videos/1600-develop-on-windows-deploy-on-red-hat-enterprise-linux) - [Beyond UML: Making Sense of AI-Generated Code through Visual Architecture](https://www.wearedevelopers.com/videos/2102-beyond-uml-making-sense-of-ai-generated-code-through-visual-architecture) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools)