Principal / Sr. Principal Software Engineer (C++)
Northrop Grumman · Woodland Hills
- Pay
- $114,000–$171,000/yr (Principal); $142,200–$213,400/yr (Sr. Principal)
- Job type
- Full-time
- Work mode
- On-site
- Category
- Tech & Engineering
- Neighborhood
- Woodland Hills
- Posted
- September 10, 2026 (10 days ago)
- Last verified
- Today
About the role
Northrop Grumman Mission Systems is seeking a Principal or Sr. Principal Software Engineer based in Woodland Hills, CA, to join the Enterprise-wide digital transformation effort. The role involves developing C/C++ software for national defense programs using Model-based Engineering, DevSecOps, and Agile practices. Full-time on-site required.
Clearance required at start: Active Top Secret clearance (enrolled in Continuous Evaluation).
What you'll do
- Provide technical leadership for junior software engineers
- Develop C/C++ software to modernize and productionize research codebases with modern C++ features
- Build software infrastructure supporting CI/CD, software metrics collection, and MLOps
- Implement software systems and architectures for increased modularity, scalability, and reliability
- Apply and maintain industry software engineering best practices
- Work closely with Software Leads and Architects on program intent, system capabilities, and output requirements
Requirements
Principal (T03):
- BS in STEM + 5 years, or MS in STEM + 3 years, or PhD + 1 year
- Active Top Secret clearance enrolled in Continuous Evaluation
- Experience in C/C++; familiarity with modern C++ standards (C++17+)
- Experience with CI/CD pipelines and Git-based source control
Sr. Principal (T04):
- BS in STEM + 8 years, or MS + 6 years, or PhD + 4 years
- Same clearance and technical requirements
Preferred:
- Experience with Docker, Kubernetes, Linux, CUDA/GPUs
- High-performance numerical/scientific computing, parallel computing
- Experience developing for SWaP-constrained environments
- Familiarity with signal-processing algorithms and Agile/Scrum/DevSecOps
Pay & benefits
- Principal: $114,000–$171,000/yr
- Sr. Principal: $142,200–$213,400/yr
- Benefits: medical, dental, vision, 401k, life insurance, educational assistance, paid holidays and PTO
U.S. Citizenship required. 10% travel. Contingent upon active TS clearance transfer.
This listing comes from Northrop Grumman's own careers feed and was verified again today. Stale listings are removed automatically.
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Principal / Sr. Principal Software Engineer (C++)
$114,000–$171,000/yr (Principal); $142,200–$213,400/yr (Sr. Principal)