Senior Software Security Engineer, Onsite

Senior Software Security Engineer (Onsite, El Segundo, CA)

Join RTX’s Software Product Assurance team to support development of embedded software for defense applications.

• Implement software security principles into embedded software design, development, integration, and testing for real‑time sensor software.
• Develop software applications using C and C++ on a variety of computing platforms.
• Ensure SW Product Assurance processes are followed on our programs.
• Understand real‑time software design and performance implications of specific system security implementations.
• Work closely with cross‑functional engineering teams to define and implement Test Driven Multi‑Disciplinary Capability (TDMC) based execution, development and deployment requirements.
• Support program ability to leverage specific capabilities in a common development environment.
• Interface with the customer community to review technical design and support verification of system maturity.

• Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM) with a minimum of 5 years of relevant software experience.
• Experience developing software using C/C++.
• Experience with Xilinx Ultra Scale+ MPSoC, Versal, or similar embedded processors.
• Experience with embedded OS such as VxWorks, Embedded Linux, or similar.
• Embedded software security experience.
• Ability to obtain and maintain a U.S. government‑issued security clearance (U.S. citizenship required).

• Designing, implementing, testing, or fielding real‑time security‑oriented solutions on DoD programs (embedded experience highly preferred).
• Cybersecurity experience and use of security‑relevant tools and devices (network security, host/server security, communication security, policy management).
• Knowledge of secure boot, containerization, hardening concepts, static analysis tools and methods.
• Experience with Petalinux/Yocto operating systems.
• Knowledge of cryptographic algorithms.
• Experience with Agile/Scrum/Kanban and Dev Sec Ops  environments.
• Python or Perl programming skills.
• Understanding of modern computer architecture and hardware technologies (ARM, PCIe, GPIO, I2C, SATA, FPGAs, ASICs).
• Experience with software configuration management and bug‑tracking tools.
• Experience validating and verifying software applications.
• Technical leadership experience to grow and lead a small technical team.

• Must obtain and maintain a U.S. government‑issued security clearance (DoD Secret).
• U.S. citizenship required.

Salary range: $95,500 – $181,700 USD (depending on experience).

Eligible benefits include medical, dental, vision, life insurance, short‑term and long‑term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, parental leave, paid time off, holidays, and more, subject to the specific business unit and collective‑bargaining agreement.

Annual incentive compensation programs may be offered based on level and business performance.

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.