Sentinel System Engineer II

Raytheon; Fullerton (CA); On-site; USD 76,000 - 144,000; Full time

Job summary

Raytheon’s Fullerton Field Engineering team supports Sentinel radar systems, serving as the primary air defense radar for the US Army and NASAMS defense system. We seek Systems Engineers to perform radar-related tasks, including maintenance, operations, modification, testing, troubleshooting and integration at Fullerton and abroad.

The role requires a STEM degree with at least 2 years of experience in system integration and test, travel up to 80% (CONUS/OCONUS), and the ability to work with

Qualifications

• Typically requires a STEM degree and a minimum of 2 years of relevant experience.
• Experience in System Integration & Test of hardware and software.
• Experience using technical manuals, interpreting product drawings and/or reading schematics as part of troubleshooting system failures.
• Experience working with basic test equipment, e.g. Oscilloscopes, Power Meters, Digital Multimeters.

Responsibilities

• Work in a team environment, receiving inputs from team supervisors and providing guidance and/or direction to other team members.
• Support hands‑on operational Integration and Test at the Fullerton Test Site.
• Support flight tests, training events, and radar modification conducts both CONUS and OCONUS.
• Provide critical troubleshooting, maintenance and operational support to CONUS and OCONUS radar systems for a variety of customers.
• Develop and provide inputs to test plans and procedures for various customers as applicable.
• Provide transparent identification and communication of issues to functional leadership and engagement for resources for resolution (Subject Matter Expert support, replacement materials/parts).
• Utilize simple hand tools and test equipment on a near‑daily basis as part of radar modification and testing support.
• Ability to travel up to 80% of the year to include occasional extended conducts in excess of 1 month.

Skills

System integration & test

Troubleshooting

Technical manuals reading

Oscilloscopes

Education

STEM degree

Tools

Oscilloscopes

Power meters

Digital multimeters

Job description

Location:US-CA-FULLERTON-677 ~ 1801 Hughes Dr ~ BLDG 677

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
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.

Position Location Onsite – Fullerton, CA

Travel is approximately 80% CONUS and OCONUS.

What You Will Do:

• Work in a team environment, receiving inputs from team supervisors and providing guidance and/or direction to other team members.
• Support hands‑on operational Integration and Test at the Fullerton Test Site.
• Support flight tests, training events, and radar modification conducts both CONUS and OCONUS.
• Provide critical troubleshooting, maintenance and operational support to CONUS and OCONUS radar systems for a variety of customers.
• Develop and provide inputs to test plans and procedures for various customers as applicable.
• Provide transparent identification and communication of issues to functional leadership and engagement for resources for resolution (Subject Matter Expert support, replacement materials/parts).
• Utilize simple hand tools (e.g. wrenches, ball allen sets, pinning/depinning tools) and test equipment (e.g. oscilloscope, power meter, multimeter) on a near‑daily basis as part of radar modification and testing support.
• Ability to travel up to 80% of the year to include occasional extended conducts in excess of 1 month.
• Ability to lift 25 lbs and assist with two person lifts up to 75 lbs with available lifting assistance.
• Ability to work on platforms as part of military trailers (e.g. Light Medium Tactical Vehicle trailer).
• Ability to work in outdoor and enclosed environments with inclement weather conditions on customer sites and military bases.
• Ability to work extended work days (if needed).

Qualifications You Must Have (

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 2 years of prior relevant experience.
• Experience in System Integration & Test of hardware and software.
• Experience using technical manuals, interpreting product drawings and/or reading schematics as part of troubleshooting system failures.
• Experience working with basic test equipment, e.g. Oscilloscopes, Power Meters, Digital Multimeters.

Qualifications We Prefer:

• Willingness to travel regularly to support Field Engineering efforts whose duration may be in excess of 1 month.
• Experience working on a team and by yourself, interfacing with multiple engineering disciplines and communicating status and support needs to supervisory management.
• Experience with radar hardware integration, operation, test and verification.
• CompTIA A+ certification.
• Experience working with switches, routers and IP addressing, and use of terminal emulation and remote access tools, e.g. Tera Term, PuTTY, Telnet.

What We Offer

• 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