Embedded Software Security Engineer I
RTX· Defense· Oct 23, 2026 · 3d ago
El Segundo, CA
Hybrid
Full-time
Mid
$110K–$158K
Job description
Date Posted:
2026-10-23 Country:
United States of America Location:
US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01 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 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.
What You Will Do
Our mission is to provide world class Security Software to be used in developing and supporting deployed sensor systems on various platforms. You will:
Implement Software Security principles for embedded software design, development, integration, and testing of real-time sensor software.
Develop software applications using multiple programming languages on a variety of computing platforms.
Ensure the SW Product Assurance processes are followed on our programs.
Understand real-time software design and the performance implications associated with specific System Security implementations.
Work closely with cross functional Engineering teams to define and implement Test Driven Multidisciplinary Capability (TDMC) based execution development and deployment requirements.
Work in a common development environment to support and facilitate program ability to leverage specific capabilities.
Qualifications You Must Have
Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM) discipline from an accredited institution
Experience developing, and testing or debugging software using C, C , or similar object-oriented programming language AND experience with scripting languages like Python and Perl
Strong Object-Oriented Design knowledge
Active and Existing Secret level security clearance required
Education or on-the-job experience in one or more of the following:
Real-Time Operating Systems (RTOS)
Kernel or Device Driver development
Software Integration
Hands-on troubleshooting and problem-solving experience
Experience developing software in a team-based development environment with strong teamwork and communication skills.
This position requires the eligibility to obtain a security clearance. U.S. Citizenship is required as only U.S. citizens are eligible for a security clearance.
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 developing real time software on Arduino, Raspberry Pi, or other embedded processor
Hardware / software integration experience
Familiarity with interface protocols, such as PCIe, GPIO, I2C, and SATA
Cryptographic algorithms experience
Experience developing embedded software utilizing ADA, Rust or similar secure programming languages
Modeling and Simulation knowledge, including experience with MATLAB
Cyber security experience with security-relevant tools and devices for vulnerability scanning, security auditing, network security, host/server security, communication security, or policy management
Experience with product development utilizing the Scrum techniques of the Agile software development process
Experience with DevSecOps pipeline implementation and use, including Static Code Analysis, Automated Build, and Automated Test techniques using continuous integration/continuous delivery with Test-Driven Development approach.
Familiarity with containerization technologies and software hardening techniques
Familiarity with a breadth of software tools, such as Git, GitLab, CMake, Eclipse, Docker, Kubernetes, Jenkins, Bitbucket, Google Test, Qt, etc.
Learn More & Apply Now
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 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: state.gov
Location Information: This position is onsite at our campus in beautiful El Segundo, CA.
Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:
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.
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 62,900 USD - 119,700 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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401(K)
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Parental Leave