> Markdown version of [/jobs/ext/4477431-principal-gps-subsystem-engineer](https://www.wearedevelopers.com/jobs/ext/4477431-principal-gps-subsystem-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal GPS Subsystem Engineer - **Company:** RTX - **Location:** Tucson, AZ, United States - **Experience:** Expert - **Salary:** $107,500.0 - $204,500.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Digital Electronics, Global Positioning Systems (GPS), Hardware Design, MATLAB, Radio-Frequency Identification, M-code, Modeling and Simulation - **Published:** October 11, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=3016605436-2 ## About the Role 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: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date, * 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 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), modeling and simulation and environmental testing and electronics test equipment * Experience working with missiles or similar systems. * Ability to lead cross-functional teams. * Ability to drive suppliers in meeting commitments. * Knowledge of DOD Hardware development process (knowledge of design gates). * Practical experience in all phases of the product development lifecycle. * Experience in developing proposals. * Knowledge and/or experience with Model Based System Engineering (MBSE) ## Description * Work environment is primarily in an office, but may include labs, field work, or a combination. * 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.