RT
Date Posted: 2025 10 02 Country: United States of America
Location:CA620: AST160N Riverview Anaheim Hill 160 North Riverview Drive Suite 300, Anaheim, CA, 92808 USA 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. quired. U.S.quired. U.S.quired. U.S.quired. U.S. citizenship:is required, as only U.S. citizens are eligible for a securityclearance Security
Clearance: TS/SCI without Polygraph
THIS ROLE IS CONTINGENT:Employment is based on contract award and customer funding. Raytheon Company Managed by Collins Aerospace Applied Signal Technology (AST) is seeking a Senior Principal Software Engineer with deep expertise in Global Navigation Satellite Systems (GNSS) operating within a complex electronic warfare environment to lead the development of multi sensor guidance and navigation systems. AST provides trusted strategic and tactical SIGINT solutions that secure the interests of the U.S. and its partners. AST's work in areas such as high capacity broadband communications, signal processing and analysis, tactical SIGINT, and wireless communications continually challenges our extraordinary engineers to resolve problems and make the world a safer place. AST's work environment is dynamic, highly collaborative and provides engineers with the freedom to strengthen and expand their skills, explore new and creative ideas, and work closely with our nation's finest service members all while embracing integrity, innovation and work life balance. We are seeking an innovative and mission driven Senior Principal Software Engineer with deep expertise in Navigation Warfare (NAVWAR), GNSS systems, and System on Chip (SoC) development. This position plays a key role in the design, development, and deployment of innovative technologies related to jamming, spoofing, and high performance navigation and timing solutions in contested and denied environments. As a technical leader, you will contribute to software architectures that tightly integrate with custom SoC platforms and provide advanced PNT capabilities across space, airborne, and ground based systems. You will be expected to bring deep software engineering expertise while collaborating closely with systems, FPGA, RF, and cyber teams. This is an ONSITE position located at our Anaheim Hills, CA location. To find out more about AST please, click the link below: Applied Signal Technology: WHO WE ARE What You Will Do: Lead the software design and development of NAVWAR enabled GNSS receivers and PNT systems running on custom SoC platforms. Architect and implement embedded software for real time, secure navigation processing in hardware constrained environments. Collaborate with SoC and FPGA engineers to define hardware/software partitioning and system interface layers. Perform system level integration and testing, including hardware in the loop (HIL) and RF simulation environments. Support mission critical NAVWAR systems from inception to prototype, including field testing and customer engagement. Travel:up to 25% Qualifications:You Must Have: Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant ior relevant experience:Typically requires 10 years of professional professionalprofessionalprofessionalprofessionalprofessionalprofessionalexperience in software engineering, with significant contributions to embedded or real time systems. Proven
experience with GNSS software development, including signal processing, tracking loops, or navigation algorithms. Preference given to expertise related to spoofing/jamming mitigation, signal integrity, and advanced GNSS signal processing. Integrate GNSS algorithms, anti jam/anti spoofing techniques, and NAVWAR mission features into software defined radio (SDR) or SoC platforms. Deep understanding of NAVWAR concepts, including threat mitigation (jamming/spoofing), signal protection, and secure PNT. Proficiency in C/C , real time operating systems (RTOS), and low level driver development.
Experience working with secure coding practices and embedded systems in a defense or aerospace context. Familiarity with lab tools and environments including hardware in the loop (HIL), GNSS signal simulators, and SDR platforms (e.g., USRP, Ettus, or custom boards). Ability to obtain and maintain a Top Secret SCI (TS/SCI) 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: Master's degree in Computer Engineering, Electrical Engineering, Computer Science, Mathematics, or related field.
Experience with military grade GNSS receivers. Familiarity with DO 178C, MIL STD 1553, Ethernet, or other mission bus protocols.
Experience with DevSecOps pipelines, containerization (Docker), and CI/CD in secure environments. Active DoD Top Secret SCI (TS/SCI) security
clearance within the last 24 months. What We Offer Medical, dental, and vision insurance Three weeks of vacation for newly hired employees Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option Tuition reimbursement program Student Loan Repayment Program Life insurance and disability coverage Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance,-critical illness-insurance, group legal, ID theft protection Birth, adoption, parental leave
benefits:Ovia Health, fertility, and family planning Adoption Assistance -------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. Privacy Policy and Terms: Click on this link to read the Policy and Terms RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry leading businesses