Principal Embedded Software Engineer

Date Posted: 2026-06-16 Country: United States of America Location: US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01 Role Type: Onsite Citizenship Requirement: U.S. Citizenship and the ability to obtain and maintain a U.S. government issued security clearance are required. Security Clearance Type: DoD Secret Job Summary The Software Product Assurance Center’s Software Security Sensors and Effectors Department is seeking a highly skilled embedded software engineer to employ Agile development techniques on embedded targets to continuously develop and deploy critical capabilities to the warfighter. The role involves software and firmware design, development, integration, and testing of real‑time embedded solutions with a focus on overall system integrity, working side by side with systems engineering and supporting design concept and system architectural documentation. Responsibilities Breakdown architectural documentation in support of generation and decomposition of requirements needed to support software development activities. Participate in Technical Integration Meetings with subcontractors to ensure selected hardware meets hardware and software requirements. Work individually or as part of a team to apply embedded principles to the design and development of hardened software applications. Ensure consistency across teams and remove impediments as they arise. Qualifications – Must Have Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, Software Engineering, or a related field and minimum of 8 years of relevant experience. Experience in an Agile and DevSecOps environment developing and maintaining software on embedded processors or microcontrollers. Demonstrated ability to work closely across other engineering disciplines (Systems Engineering, Hardware Engineering, etc.) to debug system and board level issues using software tools. Experience working in a Linux environment with the ability to modify and maintain Linux Kernel root file systems. Experience developing multi-threaded applications. The ability to obtain and maintain a U.S. government issued security clearance is required; U.S. citizenship is required. Qualifications – We Value Proficiency with RTOS systems, Linux device drivers, and/or embedded Linux. Experience developing and troubleshooting on embedded targets. Experience designing, implementing, testing, or deploying real-time embedded software solutions. Willingness to learn new techniques and apply critical thinking and problem-solving skills to diagnose customer issues. Knowledge of modern computer architectures and hardware technologies including x86 and ARM architectures, Field Programmable Gate Arrays (FPGAs), bare-metal software development. Experience with Linux Kernel development and device drivers for the Linux Kernel. Experience using version control systems such as Git or Subversion. Strong knowledge of building up and maintaining a code base built with CMake and Google Test. Salary Salary range: $118,300 USD – $224,900 USD. Benefits Hired applicants may be eligible for benefits including 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, holidays, and incentive compensation programs, depending on the business unit and collective‑bargaining agreement. Equal Opportunity Employer 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