Sr Software Engineer - Airborne Radar Systems, Onsite

RTX; El Segundo (CA); On-site; USD 96,000 - 182,000; Full time

Benefits offered by this job

RTX Employee Scholar Program

401(k) plan with match

Flexible work schedules & paid timeOff

Job summary

RTX El Segundo is seeking a Senior Software Engineer (Embedded / Radar) to contribute to Gen 4 Airborne Radar software for F/A-18. Onsite work in El Segundo, CA is required, with access to DoD programs and a Secret clearance.

Responsibilities include designing and testing software, system integration, and documentation while collaborating with cross- disciplinary teams to ensure mission success.

Qualifications

• Bachelor's degree in STEM required; 5 years software experience preferred.
• Experience coding in C, C++, or ADA across SDLC.
• Experience with UNIX, Linux, Windows, RTOS.
• Active and transferable Secret clearance; U.S. citizenship required.

Responsibilities

• Design, develop, and test software in agile/waterfall environments; deliver APG-79 radar builds.
• Support system integration of software on hardware.
• Support Dev and Production software for F/A-18 roadmap activities.
• Demonstrate critical thinking and thrive in small teams to enable customer success.
• Troubleshoot, debug, and optimize existing code for performance.
• Write and maintain documentation on software architecture and design.

Skills

C/C++/ADA

RTOS

Security clearance

Education

Bachelor's degree in STEM

Tools

Git

Jenkins

Subversion

Job description

Date Posted:

2026-10-30

Country:

United States of America

Location:

US-CA-EL SEGUNDO-R01 ~ 2000 E Imperial Hwy ~ BLDG R01

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:

Active and existing security clearance required on 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 todays mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world.

Senior Software Engineer [Embedded / Radar]

Sensors: Space and Air division in El Segundo, CA is seeking a Senior Software Engineer [Embedded / Radar] to be part of their product development teams for the Airborne Radar Systems group to work one or more of the following key areas:

• DevOps Support
• Software Build Manager
• Air-to-Air Radar Software Engineer
• Air-to-Ground Radar Software Engineer

Visit Raytheon Landing Page: Raytheon El Segundo, CA Location

What you will do:

The Gen 4 Airborne Radar Department mission is to provide world class Software for our customers' wide array of RF products for airborne radar applications. Our software capabilities include software requirement development, design, modeling/simulation, real-time embedded, signal processing and data processing, infrastructure software, software testing, integration, and verification. Gen 4 Airborne Radar SW team in El Segundo CA is looking to add a Software Engineer to their F/A-18 development team.

• Design, develop, and test software based on software trouble reports in an agile/waterfall, collaborative environment, delivering builds for the APG-79 radar.
• Support system integration of software on hardware
• Support Development and Production software development for F/A-18 Next-Gen roadmap activities
• Demonstrate critical thinking skills, the ability to thrive in small, empowered teams, and an intense desire to directly enable our customers' success
• Troubleshoot, debug, and optimize existing code for performance and efficiency in complex environments
• Write and maintain comprehensive documentation for software applications, including system architecture and design specifications
• Participate in program execution and continuous improvement
• Work collaboratively with multiple engineering disciplines to analyze, implement, and test system modification requests to the existing system baseline
• Work Location: Onsite at our El Segundo, CA Campus
• Must be able to obtain "special access programs" (SAP/SAR) for continuation of employment.

Qualifications you must have:

• Typically requires a Bachelor's degree in Science, Technology, Engineering or Mathematics (STEM) and 5 years of relevant software experience.
• Development experience coding in C, C++, ADA or related languages/tools across phases of SDLC.
• Experience working on UNIX, Linux, Windows, VxWorks, Green Hills or other RTOS.
• Active and transferable U.S. Government issued Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer:

• Current Top Secret Clearance
• Ability to work with minimal supervision and collaborate on small teams
• Development experience in Ground or Airborne Sensors (Radars, EO/IR, EW, etc.)
• Experience designing & implementing radar modes & algorithms, signal processing, target detection, and tracking
• Experience with Networks (software and hardware)
• Experience developing near-real-time, embedded SW
• Experience with git
• Experience with embedded or low-level software development, including OS-adjacent or hardware-interfacing work.
• Experience with CI/CD tools and infrastructure such as Jenkins, Subversion, or similar.
• Familiarity with Agile lifecycle process including Scrum, Continuous Integration, and Test-Driven Development Methodologies
• Experience with the DevOps Pipeline
• Experience managing software builds
• Experience developing Air-to-Air Radar Software
• Experience developing Air-to-Ground Radar Software
• Experience developing embedded software for sensors, algorithm development, signal or data processing preferred.
• Experience with DoD & related System/SW Architectures and messaging standards (e.g. OMS, SOSA, Link-16, etc)
• Experience with production-level SW development & deployment, including DevOps, DevSecOps, and/or Continuous Integration/Continuous Delivery (CI/CD) using modern FOSS/COTS toolsets.
• Experience with full lifecycle SW development of high-TRL systems
• Experience with HW/SW I&T and V&V of high-TRL systems

What We Offer:

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.

Some of our employee benefits include:

• The RTX Employee Scholar Program pays for tuition, academic fees and books for undergraduate and graduate study at approved educational institutions
• 401(k) plan that offers a broad range of investment options. For eligible employees, we will match up to 4% of your savings to help you build financial security
• Flexible work schedules and paid time off to accommodate work/life balance including many with every other Friday off

Additional Information

• 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 a security clearance. DCSA Consolidated Adjudication Services (DCSA), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm

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 95,500 USD - 181,700 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.

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