Principal Systems Security Engineer – Anti-Tamper/Program Protection - P4 (Onsite-McKinney, TX)

Date Posted: 2026-07-23 Country: United States of America Location: US-TX-MCKINNEY-513WC ~ 2501 W University Dr ~ WING C BLDG 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: Secret - Current 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. Raytheon is seeking a  Principal Systems Security Engineer – Anti-Tamper/Program Protection (P4) to join our elite Systems Security Engineering (SSE) team within the Systems Engineering and Test Capabilities Directorate. This role is critical to safeguarding our Warfighters' technological advantages through the creation and integration of holistic security solutions, including Anti-Tamper, Cyber Security, Software Assurance and Supply Chain Risk Management. Join us in developing solutions that protect our nation and directly contribute to delivering for all those who defend all of us. This is an onsite position at Raytheon in McKinney, Texas. What You Will Do Support the implementation of Systems Security Engineering (SSE) solutions in Raytheon products Interact with customers to define SSE requirements, solutions, trades, costs, and implementation strategies Develop plans, estimates, task execution schedules, and risk mitigation strategies Guide SSE implementations and architectures for customer systems Conduct attack threat modeling and Critical Program Information (CPI) assessments Develop top-level system requirements and flow those into subsystem implementation concepts Ensure compliance with DoD technology release and export licensing policies Consult and assist program management with SSE architecture and issues Consult and assist program line management with SSE architectures and issues Qualifications You Must Have Typically requires a Bachelor’s Degree in Science, Technology, Engineering or Mathematics (STEM) and 8 years of prior relevant 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 Experience in System Security Engineering, Anti-Tamper, Cybersecurity or Embedded System Security Experience in designing, implementing, testing and fielding real-time embedded security solutions for DoD programs Experience generating systems requirements, design and architecture artifacts, plans and/or policies Qualifications We Prefer Active and transferable U.S. government issued DoD Secret security clearance Advanced Degree in Electrical Engineering, Systems Engineering, Mechanical Engineering, Computer Science or related fields Experience in developing Anti-Tamper, Cyber Security, and/or Program Protection requirements, architectures and plans Familiarity with software, firmware, microelectronics engineering, cryptography and FPGA design Expertise in attack threat modeling and Critical Program Information (CPI) assessments Cybersecurity certifications such as CISSP, GSLC or CEH in accordance with DoDD 8570/8140 Working knowledge of DoD directives such as DODI-S-5230.28 Experience in aircraft/weapons system integration Exceptional creativity, problem-solving abilities, and strong interpersonal skills 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 – Relocation assistance is available 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 107,500 USD - 204,500 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