Sr Principal Software Engineer; Active Secret Clearance Required

Relocation assistance may be available.

Clearance required:

Secret. Travel: 10% of the time.

Location:

Oklahoma City, OK.

• Support the development of Strategic Operating Units, executing both sustainment and modernization programs.
• Contribute to software engineering initiatives for several programs with software design and development, software test and integration, and Dev Ops expertise.
• Use a variety of software languages, technologies, and industry best practices.
• Support all phases of the development life cycle for flight, mission, lab, and tools software.

• Bachelor’s degree in STEM and 8 years of software engineering experience.
• Master’s degree in STEM and 6 years of software engineering experience.
• PhD in STEM and 4 years of software engineering experience.
• Familiar with Safety‑Critical Embedded Real‑Time Software.
• Familiar with all phases of the software development life cycle and Agile framework as Product Owner, SCRUM Master, or team member.
• Experience developing software and scripts in C, C++, Python, Power Shell, VBScript, Bash, and/or Korn Shell for Safety‑Critical applications/systems.
• Experience architecting, designing, implementing, integrating, verifying, and qualifying Safety‑Critical Embedded Real‑Time Software on RTOS such as VxWorks, Integrity, and Real‑Time Embedded Linux.
• Familiar with static and dynamic code analysis tools and fuzzing tools such as Coverity, Fortify, and/or Sonar Qube.
• Familiar with software change control, change management, and CI/CD tools.
• Active U.S. government Secret level or higher clearance with the ability to obtain and maintain special program access (PAR).

• Demonstrated leadership, teamwork capabilities, excellent oral and written communication skills, and strong interpersonal skills at all levels.
• Experience with Agile software development, object‑oriented architectures, designs, programming, debugging, and hardware‑software integration and testing.
• Experience with software change control, change management, code quality, static analysis, and CI/CD tools such as Atlassian suite, Jira, Git Hub, Git Lab, Sonar Qube, Coverity, and/or Jenkins.
• Experience architecting, designing, modeling, implementing, maintaining, integrating, and debugging OO C++ software running on real‑time operating systems such as VxWorks, Integrity, and Real‑Time Embedded Linux.
• Experience with DOORS and software requirement specification testing using simulators, automated scripting languages such as Python, MATLAB, JavaScript, and/or Bash.
• Experience with static and dynamic code analysis tools and fuzzing tools such as Coverity, Fortify, and/or Sonar Qube.
• Experience with software network interfaces and troubleshooting networks (TCP/IP, UDP, LAN, VLAN, SNMP, or others).

$ - $. This is a general guideline and may vary based on responsibilities, experience, education, skills, and market conditions.

• Health insurance coverage.
• Life and disability insurance.
• Company savings plan.
• Company paid holidays.
• Paid time off (PTO) for vacation and personal business.
• Potential eligibility for overtime, shift differential, discretionary bonus, and for certain positions, long‑term incentives.

U.S. citizenship is required for all positions with a government clearance.

Northrop Grumman is an Equal Opportunity Employer. Northrop Grumman makes employment decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For more information about our EEO and pay transparency statement, visit