Principal Engineer – One Shots

Company: RTX
Location: Tucson
Posted on: April 4, 2026

Job Description:

Date Posted: 2026-01-19 Country: United States of America Location: US-AZ-TUCSON-M07 ~ 3292 E Hemisphere Loop ~ BLDG M07 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: 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 Energetics and Propulsion Department is an engineering organization in the Hardware Engineering Directorate. This Department is responsible for the full spectrum of warhead, fuzing, and propulsion designs/technology, including power systems, ignition, and all other weapon initiation safety systems technology. The department is seeking to hire a Principal Engineer - One Shots. What you will do: Apply and/or develop advanced one shot devices technologies using scientific principles, theories and concepts implementation into products Provide technical oversight to various subcontractors Manage subcontract suppliers to specify and deliver required subsystem components on schedule and on budget Frequently interface with the customer to identify user needs Technical oversight of our power source batteries development programs You will ensure two-way communication management; serve as the day-to-day liaison to the programs concerning resource technical assignments Contribute to technology development roadmaps Support failure analysis and corrective action through redesign of failed one shot device components or systems Present one shot device design models and supporting analyses/test results to internal and customer review meetings Support proposals requiring one shots technologies Support development of Critical Item Development Specifications (CIDS) Oversee fact-finding and contract negotiations Test data reduction Ensure technical rigor and depth of all deliverables Must be willing to travel to suppliers and government facilities Technical management of subcontracts on Government programs Proposal and cost preparation, requirements definition, and one shot device subsystems analysis, test and verification; operational test support; supplier collaboration The Principal Engineer – One Shots job is in Tucson, AZ and the position is onsite. Qualifications You Must Have: Typically requires a Bachelor in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience. In absence of a degree, 12 years of experience. An advanced degree in a related field may be substituted for additional years of experience. Experience in development of solid propulsion systems. Qualifications We Prefer: Ten (10) or more years of directly related experience in propulsive technology and its application to solid or liquid, and/or mono propellant propulsion systems Systems knowledge to assure full development of propulsion requirements and dissemination and flow down to subcomponent levels Project engineering skills and experience using Earned Value Management System Demonstrated success as a proposal/cost account manager as well as project/team leader Demonstrated ability to develop and lead collaborative efforts with other technical disciplines including structural, thermal, aerodynamics and low observables Willingness to travel, including internationally, to provide supplier support Supplier collaboration experience and oversight generating specifications and statements of work (SOW) Working knowledge or experience with either missile design or development, production support and integration Experience with DoD customers and/or associated contractor executives and technical leadership 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 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. LI-ST1 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 107,500 USD - 204,500 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, Sierra Vista , Principal Engineer – One Shots, Engineering , Tucson, Arizona