Principal Systems Engineer - Processing, Guidance, & Controls Engineers

Job ID: 01886272Posted: Posted YesterdayStart Date: 2026-11-02Location: US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805Country: United States of AmericaTime Type: Full timeDate Posted:2026-11-02 Country:United States of America Location:US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805 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: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start dateAt RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.Raytheon brings 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. We deliver solutions that help our nation and allies defend freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.Raytheon’s Systems Engineering & Test Capabilities (SETC) Centers in Tucson, AZ support technologies spanning the seabed to space, including ship-launched systems such as Standard Missile and Tomahawk, surface-launched systems including Javelin and Coyote, air-launched systems such as AMRAAM and StormBreaker, and emerging technologies including hypersonic and space solutions.The Processing, Guidance, & Controls (PG&C) Center provides end‑to‑end capabilities that enable precise guidance, robust sensing, and high‑fidelity product understanding. The following 3 Engineering teams are all part of the Processing, Guidance, & Controls Center:Guidance, Navigation, and Control - develops aerodynamic models, autopilot designs, optimized motion strategies, and state estimation to meet mission objectives.Signal Processing - extracts and interprets information from active and passive sensors to detect, track, and classify objects of interest.Modeling, Simulation, and Analysis - delivers product‑level simulations that represent system components, subsystems, and operating environments, supporting the design, development, verification, and validation of our products and technologies.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.Qualifications You Must HaveTypically requires a Bachelor’s degree in Engineering, Science, Physics, Mathematics, or a related STEM degree and a minimum of 8 years prior relevant experienceEngineering experience in at least one of the following areas:Guidance, navigation, and control (GNC) systemsNavigation sensors, state estimation, and/or perception systemsGuidance and control algorithmsSystem modeling and simulationParameter tuning and validationTest data and/or data logging analysis and system performanceRoot-cause analysis, debugging, trouble shooting, and performance analysisReal-time guidance, navigation, and control softwareIntegrated guidance and control system developmentMission performance (accuracy, range, lethality, reliabilityExperience with MATLAB, Python, C, C++, and/or Object-Oriented designAbility 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 PreferExperience working with multidisciplinary engineering teams; such as: systems, software, sensors, electrical, mechanical, and/or test engineeringAdvanced Engineering DegreeWhat We OfferOur values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.Relocation Eligible - relocation assistance is available for this positionLearn More & Apply Now!Please consider the following role type definition as you apply for this role.Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.This position requires onsite work in Tucson, AZ: 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 118,300 USD - 224,900 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