Principal/Sr. Principal Software Engineer; C++ and TS Clearance
Listed on 2026-05-30
-
Software Development
Software Engineer, DevOps
Location: Woodland Hills
RELOCATION ASSISTANCE:
Relocation assistance may be available
CLEARANCE REQUIRED FOR START:
Yes
CLEARANCE TYPE:
Top Secret
TRAVEL:
Yes, 10% of the Time
We are looking for you to join our team as a Principal / Sr. Principal Software Engineer based out of Woodland Hills, CA. As a Principal / Sr. Principal Software Engineer at Northrop Grumman, you will have a challenging and rewarding opportunity to be a part of our Enterprise-wide digital transformation. Through the use of Model-based Engineering, Dev Sec Ops and Agile practices we continue to evolve how we deliver critical national defense products and capabilities for the warfighter.
Our success is grounded in our ability to embrace change, move quickly and continuously drive innovation. The successful candidate will be collaborative, open, transparent, and team-oriented with a focus on team empowerment & shared responsibility, flexibility, continuous learning, and a culture of innovation.
For this role, responsibilities include but are not limited to:
- Provide technical leadership for junior software engineers
- Develop software utilizing C/C++ to modernize and product ionize a research codebase with modern C++ features
- Develop software infrastructure to support CI/CD, software metrics collection, and MLOps
- Implement software-systems, applications, and architectures that leverage techniques to support achieving increased modularity, scalability, and reliability, while also maintaining precision, accuracy, and speed to meet performance requirements
- Ensure industry software engineering best practices and standards are applied and maintained
- Work closely with Software Leads and Architects to understand program intent, system capabilities, and output requirements
This requisition may be filled at a higher grade based on qualifications listed below
This requisition may be filled at either a Principal Level or a Sr. Principal Level.
Basic Qualifications for a Principal Software Engineer (T03)- Bachelor’s degree in a STEM discipline with 5+ years of relative experience;
Master’s degree in a STEM discipline with 3+ years of relative experience;
PhD + 1 year of relative experience - Active Top Secret security clearance and enrolled in Continuous Evaluation
- Ability to meet customer-specific security screening requirements within a timeframe set forth by management
- Willingness and ability to work onsite full-time
- Experience working in C/C++
- Familiarity with modern C++ standards and features (e.g., C++ 17 onwards)
- Demonstrated ability to analyze system requirements to derive software design and performance requirements
- Proven ability to design and code new software, as well as modify existing software to add new features
- Ability to debug existing software and correct defects
- Experience with open software/system architecture solutions
- Effective communication and interpersonal skills, with the ability to collaborate effectively with diverse stakeholders
- Experience with developing and maintaining CI/CD pipelines
- Experience with Git-based or other software configuration management tools
- Bachelor’s degree in a STEM discipline with 8+ years of relative experience;
Master’s degree in a STEM discipline with 6+ years of relative experience;
PhD + 4 years of relative experience - Active Top Secret security clearance and enrolled in Continuous Evaluation
- Ability to meet customer-specific security screening requirements within a timeframe set forth by management
- Willingness and ability to work onsite full-time
- Experience working in C/C++
- Familiarity with modern C++ standards and features (e.g., C++ 17 onwards)
- Demonstrated ability to analyze system requirements to derive software design and performance requirements
- Proven ability to design and code new software or modify existing software to add new features
- Ability to debug existing software and correct defects
- Experience with open software/system architecture solutions
- Effective communication and interpersonal skills, with the ability to collaborate effectively with diverse stakeholders
- Experience with developing and maintaining CI/CD pipelines
- Experience with Git-based or other software configuration management tools
- Experience leading the performance of tasks on schedule, at cost and achieving specified requirements
- Experience with modern C++ standards and features (e.g., C++ 20 onwards)
- Experience with containers (Docker, Kubernetes)
- Experience with Linux operating systems
- Experience with CUDA and GPUs
- Experience with high performance numerical/scientific computing, parallel computing
- Experience with developing for SWaP-constrained environments
- Experience with developing and maintaining CI/CD pipelines
- Familiarity with signal-processing algorithms
- Familiarity with Agile lifecycle process including Scrum and Dev Sec Ops
This position is contingent upon the successful transfer of an active DoD Top Secret Clearance and the ability to meet customer-specific security screening…
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