Senior Principal GPS Subsystem Engineer

Job Overview

Position: GPS Guidance Electronics Subsystem Engineer

Location:

Tucson, AZ (Onsite). Requires U.S. citizenship and a DoD Secret clearance. The role focuses on development, integration, analysis, and validation of GPS‑based navigation solutions for advanced missile systems.

• Develop GPS and navigation subsystem architectures for advanced missile systems.
• Define and decompose subsystem requirements into hardware and component level requirements.
• Perform system analysis, modeling, simulation, integration, and validation activities.
• Develop test plans, verification strategies, and qualification methodologies.
• Conduct root‑cause analysis and failure investigations.
• Support hardware integration, HIL testing, environmental testing, and system validation.
• Interface directly with GPS, IMU, and navigation component suppliers to ensure technical and programmatic compliance.
• Participate in design reviews and provide technical leadership across engineering teams.
• Collaborate with systems engineering, program management, customers, and government stakeholders.
• Support multiple programs and product lines as required.
• Mentor junior engineers and contribute to technical development within the organization.

• Bachelor’s degree in a STEM field and a minimum of 10 years of relevant engineering experience.
• Experience developing electrical hardware systems and subsystems.
• Experience with systems engineering, requirements development, verification, and validation.
• Experience designing and developing RF‑based electrical subsystems.

• Experience with GPS and IMU navigation systems, including military GPS (M‑Code).
• Knowledge of integrated navigation solutions utilizing Kalman filtering.
• Familiarity with MATLAB modeling and scripting.
• Experience with RF electronics, radar systems, antennas, analog RF circuitry, digital electronics, and configurable logic.
• Experience supporting missile systems, guidance electronics, or similar aerospace and defense applications.
• Knowledge of HIL testing, modeling and simulation, and environmental qualification testing.
• Understanding of Department of Defense hardware development processes and design reviews.
• Experience leading cross‑functional engineering teams and managing technical supplier relationships.
• Familiarity with Model‑Based Systems Engineering (MBSE).
• Proposal development and capture support experience.

$132,400 – $251,600 USD (based on experience).

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.