Software Security Engineer II - S3E

Software Security Engineer – Tucson, AZ Location: Tucson, Arizona. Onsite work required. Salary range USD 68,900 – 131,100. Security clearance: U.S. citizenship required, interim Secret clearance prior to start date. DoD Clearance: Secret. What You Will Do Design, develop, integrate, and test real‑time missile software applications. Apply system security principles to software design and implementation. Develop software using C and C++ on a variety of computing platforms. Understand real‑time software design and performance implications of system security implementations. Collaborate with the Systems Security Engineering team to define and implement requirements. Support program ability to leverage specific capabilities in a common development environment. Interface with customer community to review technical design and support verification of system maturity. Qualifications – Must Have Bachelor’s degree in a STEM field. At least 2 years of relevant software experience. Experience with C/C++. Experience in Agile or similar development environment. Experience with scripting languages such as Python or Perl. Eligibility for and ability to obtain and maintain interim Secret U.S. security clearance. U.S. citizenship required. Qualifications – Preferred Experience validating and verifying software applications. Knowledge of Linux/Unix environments. Experience interfacing with FPGAs, low‑level memory drivers, inter‑processor communication, ARM architecture. Secure boot concepts, cryptographic algorithms. Experience with Xilinx UltraScale+ MPSoC, Versal, or similar embedded processors. Experience with VxWorks, Embedded Linux, or other embedded OS. Embedded Software Security experience. Designing, implementing, testing, or fielding real‑time security‑oriented solutions on DoD programs. Experience with Kanban frameworks. Experience using software configuration management and bug tracking tools. What We Offer Competitive salary and total rewards package. Healthcare, wellness, retirement, and work/life benefits. Parental leave, flexible work schedules, educational assistance, child/adult backup care. Career development and recognition programs. EEO Statement 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 Section503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. #J-18808-Ljbffr