Sr. Principal Software Engineer

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% 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. We are looking for you to join our team as a Principal / Sr. Principal Software Engineer based out of Woodland Hills, CA. In this role, you will have a challenging and rewarding opportunity to contribute to our enterprise-wide digital transformation. Through the use of DevSecOps and Agile practices, we continue to evolve how we deliver critical national defense products and capabilities for the warfighter. This position supports the OIX program -- a platform which provides secure messaging and cross-domain solution (CDS) products and services across the federal agencies and foreign partners.  Our multi-disciplinary team including software, systems, cyber, and test engineers employ the latest cutting-edge technologies to deliver information across security domains. As a Principal / Sr. Principal Software Engineer, you will: Design, develop, document, test, and debug applications software and systems that contain logical and mathematical solutions. Develop software utilizing modern programming languages to modernize and productionize software used to support United States Government requirements. Implement software systems, applications, and architectures that emphasize modularity, scalability, reliability, precision, accuracy, and performance to meet demanding requirements. Conduct multidisciplinary research and collaborate with equipment designers and/or hardware engineers in the planning, design, development, and utilization of electronic data processing systems for product and commercial software. Determine computer user needs; analyze system capabilities to resolve issues related to program intent, output requirements, input data acquisition, programming techniques, and controls. Prepare operating instructions and design and develop compilers, assemblers, utility programs, and operating systems as needed. Develop software infrastructure to support CI/CD, software metrics collection, and MLOps. 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. Support customers on site through installations, upgrades and continuous maintenance. This requisition may be filled at either a Principal Level or a Sr. Principal Level based on the qualifications listed. The position requires up to 25% travel and a Top Secret Security Clearance with eligibility for SCI, as well as the ability to meet customer-specific security screening requirements within a timeframe set forth by management. 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