Principal Software Engineer - Gen4 Airborne Radar (APG-82)

Prattwhitney; El Segundo (CA); On-site; USD 118,000 - 225,000; Full time

Benefits offered by this job

Healthcare

Relocation assistance

Parental leave

Flexible schedules

Educational assistance

401(k) match

Job summary

Raytheon Space and Air division in El Segundo, CA seeks a Principal Software Engineer (Embedded / Radar) to own the Tactical Software Operational Flight Program for APG-82(V)1/APG-82(V)x and lead the Tactical Software team.

The role requires deep experience in embedded radar software, C/C++/ADA, and security clearance. You will guide architectural decisions, mentor engineers, and coordinate with cross-functional teams to meet program milestones.

Qualifications

• Typically requires a STEM degree and 8+ years of relevant experience.
• Experience in embedded APG-82(V)1 software development with C/C++/ADA.
• Experience with Linux/Windows, VxWorks, RT Secure, Integrity.

Responsibilities

• Provide architectural vision and technical design guidance for OFSoftware.
• Own the Tactical Operational Flight Software.
• Lead and mentor a team of engineers.
• Deliver technical direction and backlog prioritization.
• Collaborate with cross-functional teams for sprints and hardware considerations.
• Support program leadership in technical decisions and risk resolution.

Skills

Embedded Radar Software

C/C++/ADA

Linux

VxWorks

RTSecure

Integrity

Agile/Scrum

Defense contracting

Security clearance

Education

Bachelor's degree in STEM

Tools

VxWorks

RTSecure

Integrity

Job description

Date Posted: 2026-09-10 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 today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world.

Raytheon Space and Air division in El Segundo, CA is seeking a Principal Software Engineer [Embedded / Radar] to own the Tactical Software Operational Flight Program for APG-82(V)1/APG-82(V)x and lead the Tactical Software team.

Visit Raytheon Landing Page: Raytheon El Segundo, CA Location

What you will do:

• Provide architectural vision and technical design guidance for the Operational Flight Software for both the F-15 APG-82(V)x and Integrated REX Processor programs
• Serve as the primary owner of the Tactical Operational Flight Software
• Lead and mentor a team of experienced and junior engineers
• Deliver clear technical direction, guidance, and prioritization for assigned tasks
• Partner with the cross-discipline team to plan, prioritize, and manage backlog items for current and future sprints
• Lead the design and development for the software necessary to support OMS GRA capabilities
• Support cross-functional discussions on OFP technical details, long-term vision, and strategic direction
• Apply strong investigation and troubleshooting skills to diagnose issues and develop effective solutions
• Contribute effectively to program and customer meetings, technical reviews, and status discussions
• Support program leadership in technical decision-making and problem resolution
• Help ensure adherence to technical, cost, schedule, and quality objectives
• Contribute to successful completion of program milestones and customer deliverables

Qualifications you must have:

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience.
• Experience in embedded APG-82(V)1 software development, and coding in C/C++/ADA for APG-82(V)1 Tactical Radar Software.
• Experience working on Linux, Windows, VxWorks, RTSecure, and Integrity
• Experience working in an agile/scrum team hyper-collaborative team environment using typical agile oriented tool suite.
• Experience with design, code, integration, and test of software into a large software baseline and large system
• Experience working within Defense-contracting environments as this position will be participating in customer-meetings.
• 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:

• Must possess program required "special access programs" (SAP/SAR) for consideration of employment.
• Proven analytical skills with the ability to troubleshoot tool and system performance issues.
• Experience with large complex systems such as airborne radars.

What We Offer:

• A total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement, and work/life benefits; career development and recognition programs.
• Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care.
• Relocation Eligible – Relocation assistance available

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.

Work Location: Onsite at our El Segundo, CA Campus

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.