Principal GPS Subsystems Engineer

RTX; Tucson (AZ); On-site; USD 150,000 - 190,000; Full time

Job summary

RTX in Tucson, AZ is seeking a Principal GPS Subsystems Engineer to lead GPS electronics for missile guidance. You will architect, define requirements, design electronics, model, and test subsystems, collaborating with missile level engineers.

The role requires a STEM degree with 8+ years of experience and the ability to obtain and maintain a DoD Secret clearance. The team emphasizes rigorous design, RF navigation subsystems, and Kalman filter-based integration.

Qualifications

• Degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience.
• Minimum of 8 years of engineering experience.
• Experience with electrical hardware development.
• Experience in subsystems, systems engineering, requirement development, developing RF electrical subsystems and/or requirement validation.
• The ability to obtain and maintain a US DOD Secret clearance prior to the start date.

Responsibilities

• Analyze 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.
• Interface directly with suppliers of navigation or guidance electronics components, IMUs and GPSs, to monitor and manage programmatic activities and ensure compliance to requirements.
• Missile Systems has a strong culture of mentoring; it is expected that employees will be both mentors and mentees.
• Assignments may require supporting multiple programs.
• Assignments may require some travel, including foreign travel.
• Work within a multi-disciplined team.
• Work independently, with little supervision.
• Develop a network and know when to use it to get help.
• Collaboration with both Functional and Program higher level leadership.
• Collaboration with Customer and Suppliers.

Skills

GPS Subsystems

RF Subsystems

Guidance Electronics

Systems Engineering

Requirements Definition

Architecture

Education

Bachelor/Master in STEM

Tools

Matlab

HIL

Job description

Date Posted: 2026-11-03

Country: United States of America

Location: US-AZ-TUCSON-9030 ~ 9030 S Rita Rd ~ BLDG 9030

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.

Our mission is to develop best in industry technologies that align product capabilities to the needs of our customer. We empower our employees to leverage design commonality and innovation, balancing risk and rigor, to achieve predictable and affordable solutions.

The Guidance Electronics Team provides Electrical Systems Engineering to develop Guidance Electronics solutions for products across the Raytheon Missiles and Defense (RMD) portfolio. Our team develops missile Guidance Electronics 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 Guidance Electronics Team is searching for a Principal GPS Subsystems Engineer with experience in GPS technology. The role of the GPS Subsystems Engineer is to provide GPS electronics solution for missile products. GPS electronics solution includes architecture development, requirement definition, electronics design, analysis, modelling and testing. GPS Subsystem Engineer collaborates with missile level system engineers in developing requirements for the subsystem. They perform analysis and modeling to decompose requirements for GPS sub-assemblies and component designs.

What You Will Do

• Assignments may include analysis 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.
• Interface directly with suppliers of navigation or guidance electronics components, IMUs and GPSs, to monitor and manage programmatic activities and ensure compliance to requirements
• Missile Systems has a strong culture of mentoring; it is expected that employees will be both mentors and mentees.
• Assignments may require supporting multiple programs.
• Assignments may require some travel, including foreign travel.
• Work within a multi-disciplined team.
• Work independently, with little supervision.
• Develop a network and know when to use it to get help.
• Collaboration with both Functional and Program higher level leadership.
• Collaboration with Customer and Suppliers.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience
• Minimum of 8 years of engineering experience
• Experience with electrical hardware development
• Experience in sub-systems, systems engineering, requirement development, developing RF electrical subsystems and/or requirement validation
• The ability to obtain and maintain a US DOD Secret clearance prior to the start date.

Qualifications We Prefer

• Missile Radar and RF seeker subsystems typically contain antennas, analog RF circuit cards, digital circuit cards, and configurable logic so the ideal candidate will have a background in detailed design and troubleshooting of one or more of these components.
• Ideal candidates will also have some experience in systems engineering and architecture and have a desire to grow into a guidance section architect.
• Ideal candidates shall also have demonstrated understanding and wide application of technical theories and concepts in the area of navigation subsystems/components used in modern guidance electronics platforms
• Recent technical experience relative to integrated Guidance Electronics systems using GPS and IMU navigation subsystems blended via Kalman filter techniques
• Knowledge and/or experience with M-Code
• Familiarity with Matlab scripting and tools
• Experience with hardware integration, Hardware in the Loop (HIL), modelin