Senior Software Engineer - RDPL, Onsite

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

Benefits offered by this job

Relocation offered

Job summary

RTX’s Radar Digital Product Line in Fullerton, CA is seeking a Senior Software Engineer to design, implement, and optimize embedded C++ DSP software for tactical radar systems. You will work across high-performance CPU and GPU platforms in an embedded Linux environment, solving complex real-time challenges.

The role requires a degree in STEM and 5+ years of software, with DoD Secret clearance eligibility and U.S. citizenship.

Qualifications

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience.

Responsibilities

• Collaborate with Scrum teams to design, develop, and maintain embedded C++ DSP software for radar systems.
• Translate radar system requirements into real-time software in embedded Linux environments.
• Conduct software integration testing, troubleshoot defects, and drive root-cause analysis.
• Develop automation scripts (Python, Bash, or Perl) for testing pipelines and system integration.
• Mentor junior engineers and guide code reviews and architectural decisions.

Skills

Embedded C++

OOD

Linux

Jenkins

Jira

Git

Python

Perl

Bash

Education

STEM degree

Tools

Docker

Kubernetes

Podman

MATLAB

CUDA

Job description

Date Posted: 2026-10-13

Country: United States of America

Location: US-CA-FULLERTON-675 ~ 1801 Hughes Dr ~ BLDG 675

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 date

At 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 freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Raytheon’s Radar Digital Product Line (RDPL) team in Fullerton, California, is growing! We are seeking a motivated Senior Software Engineer to join our team. In this role, you will have the opportunity to work on cutting‑edge technology solutions, grow your expertise in the radar domain, and engage in potential travel to support radar site operations. This position offers a dynamic and collaborative environment where you can make a meaningful impact.

This role will be 100% on‑site in Fullerton, California.

What You Will Do

• Collaborate with Scrum teams to design, develop, and maintain embedded C++ DSP software for tactical radar systems across high‑performance CPU and GPU platforms.
• Translate complex radar system requirements and mathematical models into robust, real‑time software within embedded Linux environments.
• Execute Software Integration Testing (SWIT), troubleshoot hard‑to‑reproduce defects using Jenkins logs and debugging tools, and drive root‑cause analysis.
• Develop automation scripts (Python, Bash, or Perl) for testing pipelines, log analysis, and system integration tasks.
• Mentor junior engineers and guide technical planning, code reviews, and architectural decisions.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience.
• 5+ years of software engineering experience, focused on real‑time Digital Signal Processing (DSP) for radar or similar RF domains.
• Proficiency in C++ and Object‑Oriented Design (OOD).
• Experience with Linux development environments, DevSecOps tools (Jenkins, Jira, Git), and scripting (Python, Perl, or Bash) for automation.
• Experience in debugging complex software issues.

• The ability to obtain and maintain a U.S. government issued Secret security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer

• Technical leadership experience with software development teams.
• Advanced knowledge of data structures, algorithms, and system software design.
• Experience with MATLAB for data analysis and test run visualization.
• Familiarity with container technologies (Docker, Kubernetes, Podman) for build and test environments.
• Understanding of radar signal processing theory, math, and numerical libraries (e.g., I/Q data, filtering, FFTs, MKL, CUDA).
• Demonstrated desire to explore new technologies and grow into a Software Architect role.

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.
• Relocation Offered Based On Eligibility.

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.

Clearance Information: This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), 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.