Senior Principal RF Engineer

Date Posted: 2026-03-12 Country: United States of America Location: US-AZ-TUCSON-M02 ~ 1151 E Hermans Rd ~ BLDG M02 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, you have the opportunity to try new things and make a bigger difference across a broader end-to-end solution, a richer technology and product set, an expanded range of disciplines. You will be on the front lines as we trailblaze new approaches, push the boundaries of innovation and chart a course to tomorrow you can be proud to have a hand in creating. The Advanced Effector Guidance Systems team provides Electrical Systems Engineering to develop solutions for products across the Raytheon portfolio. Our team develops missile Guidance System Hardware. Our core electrical engineering responsibilities include architecture, analysis, requirements, integration, and test. Our core electrical engineering technologies include RF/RADAR, Navigation/IMU/GPS, Digital, and Power. We partner with several Electrical Product Team departments that provide the detailed design of our electrical products as well as missile level systems teams. The Advanced Effector Guidance Systems Team is searching for a Senior Principal Electrical Systems Engineer with experience in developing RF subsystems, Radars or RF seekers. The role of the Senior Principal RF subsystem engineer is to design, develop and maintain RF architectures. Architecture development includes requirements, analysis and modelling. RF subsystem engineers collaborate with missile level system engineers in developing requirements for the subsystem. They perform evaluation and modeling to decompose requirements for RF sub-assemblies and component designs. What You Will Do

• Work environment is primarily in an office, but may include labs, field work, or a combination.
• Evaluation of hardware designs, subsystems, and components; architecting new electronic systems; developing and documenting subsystem requirements and test plans; peer reviews of designs as a subject matter expert; presentations to peers, management, and government customers; and root-cause failure investigations.
• Mentoring is expected.
• Role may require supporting multiple programs.
• Assignments may require some travel, including foreign travel.
• Develop a network and know when to use it to get help.
• Collaboration with both Functional and Program higher level management
• Collaboration with Customer and Suppliers

Qualifications You Must Have

• Typically requires a Bachelor's in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 10 years of prior relevant experience
• Experience with electrical hardware development
• Experience in sub-systems, systems engineering, requirement development and/or requirement validation
• Experience in developing RF electrical subsystems

Qualifications We Prefer

• Missile Radar and RF seeker subsystems typically contain antennas, analog RF circuit cards, digital circuit cards, and configurable logic. The ideal candidate will have a background in detailed design and troubleshooting of one or more of these components in RF applications. Ideal candidates will also have some experience in systems engineering and architecture and have a design to grow into a guidance section architect.
• Experience working with missiles or similar systems.
• Knowledge of mixed signal electronics.
• Ability to manage cross-functional teams.
• Ability to drive suppliers in meeting commitments.
• Knowledge of DoD/DoW hardware development process (knowledge of design gates).
• Knowledge and/or experience with Model Based Systems Engineering (MBSE).

What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation. This position is 100% onsite located in Tucson, Arizona and is eligible for relocation assistance. 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 Raytheon