Principal/Sr.Principal Software Engineer Level 3/4

RELOCATION ASSISTANCE: CLEARANCE REQUIRED FOR START: CLEARANCE TYPE: TRAVEL: 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. 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 is currently looking for a Principal/Sr.Principal Software Engineer Level 3/4 to join our team of qualified, diverse individuals. As an integral part of our multi-discipline engineering team in the Advanced Weapons division, you will be on the forefront of developing next-generation solutions to protect technology for our nation’s warfighters. The ideal candidate will be supporting all of our programs for implementing, testing, and extending our STE software.   This position is required to be full-time, on-site in the Northridge, CA location. No remote/telework arrangement is available for this position. Relocation assistance, while not guaranteed, may be available.   Roles and Responsibilities: A successful candidate will have the qualities and essential functional expertise with: • Generate software documentation. • Develop, implement, and maintain existing software for primarily Windows based desktop applications. • Participate in all aspects of the software development lifecycle activities • Use test equipment to troubleshoot software and hardware.   Basic Qualifications for a Principal Engineer level (T03) and Sr. Principal Engineer level(T04):  • US Citizenship and Active DoD Secret Clearance. • For Sr. Principal Embedded Software Engineer: Bachelor's degree in a STEM discipline and 8+ years of experience or Master's degree in a STEM discipline and 6 years of experience. • For Principal Embedded Software Engineer: Bachelor's degree in a STEM discipline and 5+ years of experience or Master's degree in a STEM discipline and 3 years of experience. • Strong professional experience developing software in C/C++ on Windows 10, 11, and Linux (preferably CentOS) • Experience operating oscilloscopes, power meters, power supplies, signal generators, and spectrum analyzers • Experience with MIL-STD-1553, TCP/IP, Serial, and Ethernet network communication protocols • Experience in deriving software requirements from system requirements; working with SRSs, ICDs, CDRLs • Advanced hands‑on system troubleshooting and determining root‑cause analysis. • Experience