Test System Engineer II (Onsite Tucson, AZ)

Date Posted: 2026-07-06 Country: United States of America Location: US-AZ-TUCSON-M10 ~ 3360 E Hemisphere Loop ~ BLDG M10 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: 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​ Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.  Raytheon brings 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. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. 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 Test Solutions Engineering organization includes all of the engineering disciplines responsible for systems design & testing of all Raytheon products. Our engineers are responsible for all elements of the development lifecycle for testing including test requirements, test system design, advanced engineering prototyping technology, flight operations, environmental testing, and environmental characterization. We are hands-on, designing with the latest technology and tools, and integrate state-of-the-art test solutions with the most advanced engineering systems in the world.    As a Test Systems Engineer II, you will work with multiple 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 be open to growth to understand how prime hardware should be tested at every (from component to All-Up-Round) to ensure robustness and efficiency.  This position is 100% onsite in our Tucson, AZ location. What You Will Do 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.  Qualifications You Must Have Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) with a minimum of two (2) years of experience directly related engineering experience (or a STEM Masters in lieu of experience) Systems Engineering experience in test requirements development, test planning, test techniques, test methodologies, embedded functional test, and integration, verification, and validation for test Experience demonstrating a systems engineering approach for test-related activities within the product lifecycle. 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 understanding of Systems Modeling Language (SysML), and/or Unified Modeling Language (UML).  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 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.  What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. Learn More & Apply Now Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as: Onsite 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