Principal Embedded Software Security Engineer

Company: Raytheon
Location: Tucson
Posted on: March 14, 2026

Job Description:

Date Posted: 2025-12-11 Country: United States of America Location: AZ204: RMS Rita Road Bldg 9020 9000 South Rita Rd Building 9020, Tucson, AZ, 85747 USA 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: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring 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. Our team solves tough, meaningful problems that create a safer, more secure world. Raytheon Software Security Sensors and Effectors Department is looking for a Senior Software Engineer in Tucson, AZ. - “Raytheon In Tucson”: https://careers.rtx.com/global/en/raytheon-tucson,-az-location What You Will Do: - As a Principal System Security software engineer, you will be involved with software and firmware design as well as development, integration, and testing of real-time missile software. - Apply System Security principles to the design and implementation of hardened Radar software applications. - Develop software applications using C and C++ languages on a variety of computing platforms - Understand real-time software design and the performance implications associated with specific System Security implementations. - Work closely with the Systems Security Engineering team to define and implement 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. - Work onsite in Tucson, AZ. Qualifications You Must Have: - Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics AND a minimum of 8 years of relevant experience. - Experience with C / C++, and VxWorks or similar. - Experience with AMD Xilinx UltraScale or Versal MPSoC or similar Embedded Processors. - Embedded Software Security experience. - The ability to obtain an interim secret U.S. security clearance prior to the start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Qualifications We Prefer: - Prior experience working with Raytheon UltraStack Hardware / Cyrpto algorithms / ARM architecture is highly preferred. - Experience with qualification and verification of software applications - Experience designing, implementing, testing, or fielding real-time security-oriented solutions on Department of Defense (DoD) programs (embedded experience highly preferred) - Experience using security-relevant tools and devices for security auditing, network security, host/server security, communication security, or policy management. - Experience in Agile and DevSecOps environments - Experience in an Agile/Scrum/Kanban frameworks and development environments - Experience using software configuration management and bug tracking tools - Experience with Python / Perl - Knowledge of modern computer architecture and hardware technologies including: - PCIe, GPIO, I2C, SATA - Field Programmable Gate Arrays (FPGAs) - Application-Specific Integrated Circuits (ASICs) What We Offer: - Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. - Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care. - “Tucson is Awesome”: https://www.youtube.com/watch?v=i65wOwKcNIQ - “Winter in Tucson”: https://www.youtube.com/watch?v=yZdKKkF0QkE Learn More & Apply Now! - 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 CAS), 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 Location Information: This position is onsite at our campus in beautiful Tucson, AZ. Tucson has a friendly, caring, and laid-back atmosphere, combined with the innovation and energy of a metropolitan region, and recognized as one of America’s 10 Best Small Cities. Surrounded by beautiful mountains, colorful Sonoran Desert landscape and majestic saguaro cacti, Tucson is blessed with some of nature’s best work. Tucson is known for its bright blue skies, and with more than 310 sunny days per year, Tucson’s fantastic weather lets residents enjoy the outdoors year-round. TucsonSoftware 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 101,000 USD - 203,000 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: Raytheon, Catalina Foothills , Principal Embedded Software Security Engineer, IT / Software / Systems , Tucson, Arizona