Senior Principal Systems Engineer (Onsite)

Company: RTX
Location: Tucson
Posted on: April 2, 2026

Job Description:

Date Posted: 2026-03-18 Country: United States of America Location: US-AZ-TUCSON-848 ~ 1151 E Hermans Rd ~ BLDG 848 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: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 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 Systems Engineering and Test Center (SETC) organization is currently hiring a Senior Principal Systems Engineer to join our Tucson, AZ location. SETC 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 Senior Principal Systems Engineer you will be responsible for technical rigor of requirements documents, coordination across teams, sharing program process knowledge, mentoring engineers, and working with the technical and program leads execute program tasks. Responsibilities include, but are not limited to, requirements management, providing SE oversight during integration and test activities. In this role, you will have the opportunity to work on various Air Dominance projects pertinent to the AMRAAM design and development. This role is 100% on-site at our Tucson, AZ campus. What You Will Do Interface with customers and key suppliers Develop CONOPS Develop & Refine System Architecture Develop & Refine System Requirements and lead team developing Subsystem level Requirements Perform Functional & Physical Analyses Perform Functional Allocation Develop and Lead Requirements Verification Strategies and Plans Developing Integrated Systems Security Solutions System Level to Subassembly Integration, Verification, and Validation planning and execution Support System Deployment Support Production Support Life-cycle Logistics Cross-functional collaboration and coordination Establish and maintain relationships with other Programs, Program Leadership, and the customer community Coordinate with program leadership on long term strategy and planning Review and support trade studies, down-selects, and other analyses CDRL management, report development, and delivery Develop materials for customer meetings (Reviews, Technical Interface Meetings, status meetings, etc.) and brief customer representatives Qualifications You Must Have Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 10 years of prior engineering experience. Experience working on a cross-functional team of Systems Engineers and multi-discipline engineers Experience presenting analytical and technical presentations Experience with Systems Engineering Product Development Cycle Qualifications We Prefer Post Graduate degree in in Engineering, Computer Science, Math or Physics Understanding of Systems Engineering Product Development Cycle Detailed experience in one or more of the following domains: embedded software, nuclear survivability, RF signal processing, GNC, RF system integration & test, 6DOF/model development Experience with Agile, Model-Based Systems Engineering (MBSE), and/or Digital Engineering RF product and subassembly design, integration, and production support Interfacing with customers Developing & Refining CONOPS, System Architecture, System Requirement, and Requirements Verification Strategies & Plans Performing Functional & Physical Analyses and Allocation Creating & Maintaining Specifications Subassembly and System Integration & Verification Ability to perform trade studies to optimize system performance 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. Relocation Eligible – Relocation assistance is available Learn More & Apply Now! Please consider the following role type definition as you apply for this role. 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 a security clearance. DCSA Consolidated Adjudication Services (DCSA) , 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 This position is an onsite role – Tucson, AZ: https://careers.rtx.com/global/en/raytheon-tucson,-az-location We Are RTX 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. The salary range for this role is 132,400 USD - 251,600 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. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Keywords: RTX, Casa Grande , Senior Principal Systems Engineer (Onsite), Engineering , Tucson, Arizona