Sr Principal Program Protection Software Engineer

Company: RTX
Location: Woburn
Posted on: April 1, 2026

Job Description:

Date Posted: 2026-03-25 Country: United States of America Location: US-MA-WOBURN-WB2 ~ 225 Presidential Way ~ GODDARD 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: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At RTX, the world 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. Sr. Principal Program SW Protection Engineer What You Will Do Apply the latest technologies and be responsible for designing, implementing, debugging and fixing problems with the Radar software applications. Implement real-time software design and the performance implications associated with specific Security implementations. Design the program protection solution to be integrated with the overall tactical radar software, with an understanding of the radar system “big picture” and be able to develop or review detail solutions at the source code level. Enable DevSecOps initiatives and continuous improvement efforts implementation strategy Create a product roadmap for the future and where the program wants to go Qualifications You Must Have Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics and a minimum of 10 years of relevant experience 10 years working in a Linux/Unix environment Knowledge of modern computer architectures and hardware technologies Experience with the Linux Operating System Programming Languages: C/C++ The ability to obtain and maintain a Secret U.S. security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Qualifications We Prefer Operating System Knowledge Field Programmable Gate Arrays (FPGAs) and Application-Specific Integrated Circuits (ASICs) Understanding and extending the Linux Kernel via Kernel Modules Experience with the VxWorks or other Real Time Operating Systems Experience with the application of, or knowledge of, Cryptography Scripting Languages like Python / Perl Java or other high-level languages Knowledge of other alternative computer architectures such as MIPS / PPC / ARM Use of the following software development tools/frameworks: Jenkins, CMake, Google Test, Google Protocol Buffers, GCC Experience working on embedded systems Experience working on Real Time systems Experience developing multithreaded applications. Learn More & Apply Now 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. This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA , 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: https://www.state.gov/m/ds/clearances/c10978.htm 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 132,400 USD - 251,600 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. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Keywords: RTX, Arlington , Sr Principal Program Protection Software Engineer, IT / Software / Systems , Woburn, Massachusetts