Software Security Engineer II

Location: McKinney, TX (2501 W University Dr, PW BLDG). Role type: Onsite.

Security clearance: Active Secret DoD clearance required; U.S. citizenship required.

About the role

The Software Product Assurance team in McKinney, TX is seeking a highly motivated Software Security Engineer II to develop and support security‑focused embedded software for deployed sensor systems.

Responsibilities

• Provide world‑class security software for sensor systems on various platforms.
• Implement software security principles for embedded software design, development, integration, and testing of real‑time sensor software.
• Develop software applications using multiple programming languages on a variety of computing platforms.
• Ensure software product assurance processes are followed on all programs.
• Understand real‑time software design and performance implications of specific system security implementations.
• Collaborate with cross‑functional engineering teams to define and implement Test‑Driven Multidisciplinary Capability (TDMC)‑based development and deployment requirements.
• Work in a common development environment to support and facilitate program ability to leverage specific capabilities.

Qualifications

• Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM) from an accredited university.
• Minimum of 2 years relevant software experience.
• Proficiency with C/C++ and scripting languages such as Python or Perl.
• Experience working in an Agile/Scrum/Kanban (or similar) development environment.
• Education or on‑the‑job experience with real‑time operating systems (RTOS), kernel or device‑driver development, software integration, or similar.
• Active/Existing U.S. Secret‑level security clearance and U.S. citizenship.

Preferred Qualifications

• Experience in Linux/Unix environments.
• Interfacing with FPGAs, ASICs, low‑level memory drivers, and inter‑processor communication.
• Knowledge of interface protocols such as PCIe, GPIO, I²C, and SATA.
• ARM architecture, secure‑boot concepts, and cryptographic algorithms.
• Containerization and software hardening techniques.
• Familiarity with RMF and TIG.
• Experience with Xilinx UltraScale+ MPSoC, Versal, or similar embedded processors.
• Experience with VxWorks, Embedded Linux, or similar embedded operating systems.
• Petalinux or Yocto operating‑system experience.
• Embedded software security expertise.
• Use of software configuration‑management and bug‑tracking tools.
• DevSecOps tools, model‑based engineering, and test‑driven development.
• Validation and verification of software applications.
• Full software development lifecycle for real‑time, embedded, security‑oriented products.

Pay

Salary range: $68,900 – $131,100 USD (estimate representing all experience levels).

Benefits

• Medical, dental, and vision insurance.
• Life insurance.
• Short‑term and long‑term disability coverage.
• 401(k) match.
• Flexible spending accounts.
• Flexible work schedules.
• Employee assistance program.
• Employee Scholar Program.
• Parental leave.
• Paid time off and holidays.
• Eligibility for annual short‑term and/or long‑term incentive compensation programs (subject to performance and business factors).