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# Principal / Sr. Principal Software Engineer

- **Company:** Northrop Grumman
- **Location:** Los Angeles, CA, United States
- **Experience:** Expert
- **Salary:** $114,000.0 - $171,000.0
- **Contract:** Permanent contract
- **Skills:** Computer-Aided Design, Agile Methodology, C++ (Programming Language), Nvidia CUDA, Software Debugging, Linux, Scrum Methodology, Scientific Computating, Signal Processing, Software Configuration Management, Software Engineering, Software Requirements Analysis, Systems Architecture, Graphics Processing Unit (GPU), Parallel Computation, Git, Kubernetes, Devsecops, Docker
- **Published:** October 3, 2026
- **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=3001391077-2

## About the Role

* 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

Preferred Qualifications

 * 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 DevSecOps

This position is contingent upon the successful transfer of an active DoD Top Secret Clearance and the ability to meet customer-specific security screening requirements within a timeframe set forth by management.

## Description

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 productionize 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