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Raytheon’s Fullerton Field Engineering team supports Sentinel radar systems used by the US Army and allied customers. We are seeking Systems Engineers to perform maintenance, testing, modification, and integration tasks at Fullerton and overseas.
You will engage in environmental testing, test procedure development, and interoperability verification with ongoing upgrades. The role requires hands-on testing, multi-disciplinary collaboration, and readiness to travel up to 80% of the year, including
Date Posted: 2026-09-25 Country: United States of America Location: US-CA-FULLERTON-677 ~ 1801 Hughes Dr ~ BLDG 677 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required. 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 after day 1
Position Location Onsite – Fullerton, CA Travel is approximately 80% CONUS and OCONUS.
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.
The Raytheon Fullerton Field Engineering team supports Sentinel® radars which are the primary air defense radar for the US Army as well as part of the National Advanced Surface-to-Air Missile System (NASAMS®) defense system in support of several foreign customers. We’re looking for Systems Engineers to perform a wide variety of radar-related tasks to include maintenance, operations, modification, testing, troubleshooting and integration activities at both Fullerton and abroad. As a Field Engineering Sentinel Radar Systems Engineer, you will participate in challenging multi-disciplinary work consisting of: System environmental testing. Supporting development of test procedures for Improved Sentinel systems. Evaluating system performance to verify system functionality and interoperability and documenting results in support of proposed system upgrades / enhancements. Integration & Test of Radar following hardware and firmware modification. Support training, test and radar modification events.
Our 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. As 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 75,800 USD - 144,200 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.
RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry‑leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.