Senior Software Security Engineer, Onsite

Date Posted: 2026-07-08 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: 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. We are currently seeking a Senior Software Security Engineer to join our Software Product Assurance team in El Segundo, CA as a SW Security Individual Contributor supporting development for the SW Product Assurance (embedded program protection and cyber) of our portfolio of programs at the site. 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. Implement Software Security principles to embedded software design, development, integration, and testing of real-time sensor software. Develop software applications using C and C++ 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. Interface with customer community to review technical design and support verification of system maturity. Qualifications You Must Have Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 5 years of relevant software experience. Experience developing software using C / C++. Experience with Xilinx UltraScale+ MPSoC, Versal, or similar Embedded Processors. Experience with embedded OS like VxWorks, Embedded Linux, or similar. Embedded Software Security experience. 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. Qualifications We Prefer Designing, implementing, testing, or fielding real-time security-oriented solutions on Department of Defense (DoD) programs (embedded experience highly preferred). Cyber security experience. Using security-relevant tools and devices for security auditing, network security, host/server security, communication security, or policy management. Secure boot, containerization and hardening concepts. Static analysis concepts, methods & tools. Petalinux/Yocto operating systems. Cryptographic Algorithms. Agile/Scrum/Kanban frameworks and DevSecOps environments. Python / Perl. Knowledge of modern computer architecture and hardware technologies including: ARM Architecture, Interface protocols: PCIe, GPIO, I2C, SATA, Field Programmable Gate Arrays (FPGAs), Application-Specific Integrated Circuits (ASICs). Using software configuration management and bug tracking tools. Experience with validation and verification of software applications. Experience in a technical leadership role to grow and lead a small technical team. Benefits 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. Salary range: 95,500 USD - 181,700 USD. 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 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. #J-18808-Ljbffr Raytheon