Embedded Software Security Engineer II - S3E

Job ID: 01879899Posted: Posted 12 Days AgoStart Date: 2026-10-04Location: US-AZ-TUCSON-801 ~ 1151 E Hermans Rd ~ BLDG 801 (External Site)Country: United States of AmericaTime Type: Full timeDate Posted:2026-10-04 Country:United States of America Location:US-AZ-TUCSON-801 ~ 1151 E Hermans Rd ~ BLDG 801 (External Site) 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 dateAt 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.Software Security Sensors and Effectors (S3E) Department is looking to hire a Software Security Engineer in Tucson, AZ.Raytheon Tucson, AZ LocationOur Culture | RTX CareersWhat You Will Do:Our mission is to provide world class Security Software to be used in deployed missile systems.As a System Security software engineer, you will be involved with application and embedded software design, development, integration, and testing of real-time missile software.Apply System Security principles to the design and implementation of Missile software applications.Develop software applications using C and C++ languages on a variety of computing platformsUnderstand 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.Qualifications You Must Have:Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) AND a minimum of 2 years of relevant software experience.Experience with C / C++.Experience working in Agile or similar development environmentExperience with scripting languages like Python, Perl or similarThe ability to obtain and maintain an interim Secret U.S. security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.Qualifications We Prefer:Experience with validation and verification of software applicationsExperience/Knowledge of any of the following:Linux/Unix environmentInterfacing with FPGAsInterfacing with low-level memory driversInter-processor communicationARM ArchitectureSecure boot conceptsCryptographic AlgorithmsExperience with Xilinx UltaScale+ MPSoC, Versal, or similar Embedded ProcessorsVxWorks, Embedded Linux, or similar embedded Operating System experienceEmbedded Software Security experienceExperience designing, implementing, testing, or fielding real-time security-oriented solutions on Department of Defense (DoD) programs (embedded experience highly preferred)Experience in Kanban frameworksExperience using software configuration management and bug tracking toolsLearn 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: 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.#TucsonSoftwareAs 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 68,900 USD - 131,100 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