Principal Engineer – One Shots

Date Posted:

2026-04-08 Country:

United States of America Location:

US-AZ-TUCSON-M07 ~ 3292 E Hemisphere Loop ~ BLDG M07 Position Role Type:

Unspecified 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 RTX, the world 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 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

Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:

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.

Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite. Ratio of time working onsite will be determined in partnership with your leader.

Remote: Employees who are working in Remote roles will work primarily offsite (from home). If you live within a reasonable commute of an RTX site with other colleagues you interact with, your manager will discuss whether there is a degree of onsite presence associated with this role.

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 to expert knowledge of work area typically obtained through advanced education combined with experience.

May have broad knowledge of project management. Requires substantial knowledge of RTX projects, programs or systems in order to provide enhancements within job area.

Typically requires: A University Degree or equivalent experience and minimum 8 years prior relevant experience, or An Advanced Degree in a related field and minimum 5 years experience

Engineering/Other Technical Positions: Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 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.

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, med