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# Principal Systems Engineer - Processing, Guidance, & Controls En

- **Company:** RTX
- **Location:** Tucson, AZ, United States
- **Experience:** Expert
- **Salary:** $118,300.0 - $224,900.0
- **Contract:** Contract
- **Skills:** C (Programming Language), Systems Engineering, C++ (Programming Language), Software Debugging, Dynamical Systems, Python (Programming Language), MATLAB, Object-Oriented Software Development, Signal Processing, Test Data, Data Logging, Model-Driven Development
- **Published:** November 3, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9286900/principal-systems-engineer-processing-guidance-controls-en

## About the Role

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date, * Typically requires a Bachelor's degree in Engineering, Science, Physics, Mathematics, or a related STEM degree and a minimum of 8 years prior relevant experience

 * Engineering experience in at least one of the following areas:

*

 + Guidance, navigation, and control (GNC) systems
 + Navigation sensors, state estimation, and/or perception systems
 + Guidance and control algorithms
 + System modeling and simulation
 + Parameter tuning and validation
 + Test data and/or data logging analysis and system performance
 + Root-cause analysis, debugging, trouble shooting, and performance analysis
 + Real-time guidance, navigation, and control software
 + Integrated guidance and control system development
 + Mission performance (accuracy, range, lethality, reliability

 * Experience with MATLAB, Python, C, C++, and/or Object-Oriented design

 * Ability to obtain an Interim Secret U.S. government issued Security Clearance is required prior to start date with the ability to obtain special program access after start. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer

 * Experience working with multidisciplinary engineering teams; such as: systems, software, sensors, electrical, mechanical, and/or test engineering

 * Advanced Engineering Degree

## Description

The PG&C Center in Tucson, AZ are currently hiring Principal Systems Engineer - Processing, Guidance, & Controls Engineers to support the execution of our current and upcoming product lines. These roles are 100% on-site at our Tucson, AZ campus with the possibility of occasional travel.

What you will do:

 * Develop, simulate, and evaluate control and navigation algorithms for complex, autonomous systems; apply model-based design, simulation, and test data to improve system performance.

 * Build and use dynamic system models and simulations to evaluate system behavior, conduct design trades and reduce development test cycles.

 * Analyze test data to evaluate system performance, identify issues, and drive engineering improvements.

 * Work cross-functionally with mechanical, electrical, software, systems, and test teams to integrate and validate complex systems.

 * Experience developing algorithms, system models, simulation tools, controls, signal processing or performance-analysis solutions for complex products.