Principal Engineer Software - Embedded and Time; Oklahoma & Florida

Principal Software Engineer – Embedded and Real‑Time

Northrop Grumman Aeronautics Systems is hiring a Principal Software Engineer – Embedded and Real‑Time to work onsite in Oklahoma City, Oklahoma or Melbourne, Florida.

Relocation assistance may be available. A Secret clearance is required upon start, with travel of up to 25% of the time.

• Design, develop, integrate, modify and maintain embedded mission‑system applications.
• Participate in the full life‑cycle of software development: requirements, modeling, design, implementation, unit/C‑SCI testing, integration, formal system testing, release, installation and maintenance.
• Architect and develop software on real‑time operating systems such as VxWorks, Integrity and Real‑Time Embedded Linux.
• Work on Agile Scrum teams to produce software for multiple baselines.

• Bachelor’s degree in a STEM discipline with 5years of related experience, or Master’s with 3years, or PhD with 1year.
• Experience developing safety‑critical software in C, object‑oriented C++ and/or Python.
• Knowledge of modeling tools (Rhapsody, Cameo) and real‑time OS platforms.
• Experience with static/dynamic analysis (Coverity, Fortify, Sonar Qube) and CI/CD tools (Atlassian suite, Git Hub, Git Lab, Jenkins).
• Active DoD Secret clearance (or Top Secret where required) with ability to obtain special program access (PAR).

• Deep understanding of C/C++ templates, memory, compiler/linker behavior.
• Experience collaborating with systems, hardware designers and integration/test engineers.
• Leadership, teamwork, strong interpersonal communication.
• Agile development, object‑oriented architecture, and hardware‑software integration.
• Prior work with DOORS, software requirements, simulation, and scripting (Python, MATLAB, JavaScript, Bash).
• Additional static/dynamic analysis and fuzzing experience with Coverity, Fortify, Sonar Qube.

Annual base salary range: $93,300.00 – $. Additional compensation may include overtime, shift differential, discretionary bonus, and long‑term incentives for certain senior positions. Benefits include health insurance, life & disability insurance, savings plan, company‑paid holidays and paid time off.

Northrop Grumman is an Equal Opportunity Employer. Decisions are made 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. U.S. citizenship is required for all positions with a government clearance. For full EEO & pay transparency statement, visit