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Embedded Security Software Engineer II (Onsite)

RTX
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El Segundo, CA, USA
Oct 09, 2026

Date Posted:

2026-10-08

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:

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

Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX.


What You Will Do


Embedded Security Software Engineer - Secure Product Assurance - El Segundo RMD


Join the Secure Product Assurance/Sensors Space and Air Software team at Raytheon, where we develop cutting-edge software applications focused on solving our customers' toughest defense challenges. In this role, you will be part of an elite software engineering team to design, code, integrate, and test critical real-time embedded software with applications to advance next generation radar, sensor, guidance, and fire control systems. Operating at the leading edge of technology, you will contribute across all phases of the software development lifecycle to deliver innovative solutions that help keep our nation and allies safe.

Key Responsibilities:

  • Work on complex technical problems and collaborate to provide innovative solutions. Requires investigation and troubleshooting skills to assess issues and develop resolutions.
  • Work at all phases of the SW development lifecycle, including SW/HW integration, dependent on program phase
  • Assist in the derivation of system and software requirements, architectural modeling, and technical analysis
  • Design, code, unit test, integrate, and document real-time embedded software solutions with a focus on Secure Software Solution implementations.
  • Participate actively in software peer reviews, code inspections, and technical decision-making alongside multidisciplinary teams, including program leadership and customers
  • Support program execution to ensure work products meet technical, cost, schedule, and quality baselines.
  • Follow established software development processes and practices to maintain software product integrity.
  • Work Location: Onsite at our El Segundo, CA Campus
  • This position requires the eligibility to obtain a security clearance.  Except in rare circumstances, only U.S. citizens are eligible for a security clearance.

Qualifications You Must Have

  • Master’s degree in Science, Technology, Engineering, or Mathematics (STEM) discipline from accredited institution. Degree must be obtained by start date.
  • Experience developing, and testing or debugging software using C, C++, or similar object-oriented programming language
  • Experience with scripting languages such as Python, Perl or similar
  • Real time embedded software development experience
  • Strong hands-on troubleshooting and problem-solving experience
  • Experience developing software in a team-based development environment with strong teamwork and communication skills. 
  • Experience may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications We Prefer

  • Knowledge of Software Development Processes and experience participating in all phases of the Software Development Life Cycle (SDLC), including requirements, design, implementation, and testing
  • Experience working with Continuous Integration/Continuous Deployment (CI/CD) pipelines and automated build environments.
  • Familiarity with Scrum/Agile, DevSecOps, Git/GitLab
  • Familiarity with Linux OS and Kernal development; Linux device drivers
  • Hands-on experience developing low-level device drivers or real-time embedded operating system (RTOS) applications.
  • Hardware / software integration experience
  • Interfacing with FPGAs
  • Inter-processor communication
  • ARM Architecture
  • Secure boot concepts
  • Embedded Software Security experience
  • Experience designing, implementing, testing, or fielding real-time security-oriented solutions on Department of Defense (DoD) programs (embedded experience highly 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: Trust, Respect, Accountability, Collaboration, and Innovation.
  • Relocation Eligible

Learn More & Apply Now!


Please consider the following role type definition as you apply for this role.

  • 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.

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 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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Job ID

01881357

Security Clearance

SECRET
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