Senior Software Security Engineer - S3E

Prattwhitney; Tucson (AZ); On-site; USD 86,800 - 165,200; Full time

Benefits offered by this job

Health, dental, vision and medical benefits

Retirement plans including 401(k) match

Flexible work schedules

Educational assistance

Career development programs

Job summary

Prattwhitney in Tucson, AZ is seeking a Senior Software Security Engineer to provide world-class security software for newly deployed missile systems. The role involves designing, developing, integrating, and testing real-time missile software. Candidates should have a Bachelor’s degree in STEM and a minimum of 5 years relevant experience.

Preferred qualifications include embedded software security experience and familiarity with Xilinx embedded processors. Benefits include a competitive salary of $86,800-$165,200, health benefits, and flexible work schedules.

Qualifications

• Minimum 5 years of relevant software experience.
• Ability to obtain and maintain an Interim Secret‑level U.S. security clearance.
• U.S. citizenship required.

Responsibilities

• Provide world‑class security software for newly deployed missile systems.
• Design, develop, integrate, and test real‑time missile software.
• Work closely with the Systems Security Engineering team.

Skills

C/C++ programming

Embedded software security

Agile methodologies

Inter‑processor communication

Cryptographic algorithms

Education

Bachelor’s degree in STEM

Tools

Xilinx UltraScale+ MPSoC

VxWorks

Embedded Linux

Python

Perl

Job description

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.