Senior Software Engineer
RTX · el segundo, California ·
- Work mode
- Onsite
- Seniority
- Senior
- Category
- Software engineering
- Experience
- 5+ years
- Visa sponsorship
- No
- Company size
- 1000+
- Salary
- USD 95,500 – 181,700 / year
RTX · el segundo, California ·
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Senior engineer building and optimizing RF/EOIR and laser sensor software for airborne/space systems in a DoD-cleared environment using C/C++/Java and containerized tooling.
Date Posted:
2026-08-31Country:
United States of AmericaLocation:
US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01Position Role Type:
OnsiteU.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 clearanceSecurity Clearance Type:
DoD Clearance: Top SecretSecurity Clearance Status:
Active and existing security clearance required on day 1At 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.
One of our Radio Frequency Sensors Management Software Department mission is to provide world class Software for our customers’ wide array of RF/EOIR and high-energy laser sensor products for airborne and space applications. This team in El Segundo CA is looking to add a Senior Software Engineer to their development team.
What You Will Do:
Design, develop, and test software based on software trouble reports in an agile, collaborative environment, delivering builds
Demonstrate critical thinking skills, the ability to thrive in small, empowered teams, and an intense desire to directly enable our customer’s 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 agile execution and continuous improvement
Work collaboratively with multiple engineering disciplines to analyze, implement, and test system modification requests to the existing system baseline
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.
Experience with software development, test, and/or integration using C, C++, or Java.
Experience with containerized applications such as Docker and Kubernetes.
Qualifications We Prefer:
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, Git, Bitbucket, or similar.
Experience developing and integrating OMS-based architecture
Familiarity with Agile lifecycle process including Scrum, Continuous Integration, and Test-Driven Development Methodologies
Experience developing embedded software for sensors, algorithm development, signal or data processing preferred.
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 Eligible – Relocation assistance available
Learn More & Apply Now!
Please consider the following role type definition as you apply for this role. 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.
Visit Raytheon Landing Page: Raytheon El Segundo, CA Location
This position requires 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:
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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