Senior Software Security Engineer - S3E

Senior Software Security Engineer Location: Tucson, AZ (On site) What You Will Do Provide world‑class security software for newly deployed missile systems. Design, develop, integrate, and test real‑time missile software. Apply system security principles to software design and implementation. Develop applications using C/C++ on embedded platforms. Understand real‑time software design and performance implications of specific security implementations. Work closely with the Systems Security Engineering team to define and implement requirements. Interface with the customer community to review technical design and support verification of system maturity. Qualifications Required Bachelor’s degree in STEM (Science, Technology, Engineering, or Mathematics). Minimum 5 years of relevant software experience. Experience with C / C++ programming. Experience with Xilinx UltraScale+ MPSoC, Versal, or similar embedded processors. Experience with embedded OS such as VxWorks, Embedded Linux, or similar. Ability to obtain and maintain an Interim Secret‑level U.S. security clearance prior to the start date. U.S. citizenship. Preferred Embedded software security experience. Linux/Unix environment experience. FPGA interfacing experience. Low‑level memory driver interfacing. Inter‑processor communication knowledge. ARM architecture understanding. Secure boot concepts. Cryptographic algorithms knowledge. Real‑time security‑oriented solutions on DoD programs (embedded experience highly preferred). Security‑auditing tools and devices for network, host/server, communication security, or policy management. Experience in Agile, Scrum, Kanban, DevSecOps environments. Experience with software configuration management and bug‑tracking tools. Python / Perl programming experience. Knowledge of PCIe, GPIO, I2C, SATA, FPGAs, ASICs. Benefits Competitive salary 86,800USD–165,200USD. Health, dental, vision and other medical benefits. Wellness and preventive health programs. Retirement plans including 401(k) match. Flexible work schedules. Parental leave (including paternal). Educational assistance. Child/adult backup care. Achievement awards. Career development and recognition programs. Security Clearance The role requires U.S. citizenship and an Interim Secret‑level security clearance, which must be obtained prior to the start date. Location Information This is an on‑site position with RTX’s campus in Tucson, AZ. Equal Employment Opportunity 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, 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. #J-18808-Ljbffr