Principal / Sr. Principal Software Engineer (C++ and TS Clearance)

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman Mission Systems is a trusted provider of mission-enabling solutions for global security.  Our Engineering and Sciences (E&S) organization pushes the boundaries of innovation, redefines engineering capabilities, and drives advances in various sciences. Our team is chartered with providing the skills, innovative technologies to develop, design, produce and sustain optimized product lines across the sector while providing a decisive advantage to the warfighter. Come be a part of our mission! 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, DevSecOps 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 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 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