Principal / Senior Principal Network Systems Engineer

Company: Northrop Grumman
Location: Woodland Hills
Posted on: April 1, 2026

Job Description:

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: 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. 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 at Northrop Grumman Missions Systems are seeking a skilled Network Systems Engineer in Woodland Hills, CA Key Responsibilities: Collaborate with engineering and IT teams to integrate mission-critical computers and networking devices into the overall system architecture Develop and maintain network archiving strategies to ensure compliance with program requirements, including data retention and retrieval Perform regular network performance analysis, troubleshooting, and optimization to support mission-critical operations Provide SME-level support and guidance to teams, ensuring adherence to best practices and program standards Document network configurations, processes, and troubleshooting procedures to support long-term sustainability Stay updated on emerging networking technologies and propose innovative solutions for program needs Assess, develop, implement, validate, and maintain Cyber security measures to comply with data/network security and flight safety requirements This position can be filled as a Principal Network Systems Engineer or a Senior Principal Network Systems Engineer Basic Qualifications – Principal Network System Engineer: Bachelor’s of Science in Computer Science, Information Technology, Networking, or a related field with 5 years of experience OR Master’s of Science in Computer Science, Information Technology, Networking, or a related field with 3 years of experience in network infrastructure design and management, with a focus on VLANs. Equivalent experience may be considered Knowledge of VLANs and implementation and segregation of VLANs. Configure, monitor, and manage VLANs to ensure secure and efficient network segmentation and traffic management. Knowledge of Cisco Knowledge of layer 2 and layer 3 routing and implementing route tables, NAT and other related functions/principles Knowledge of RHEL Hands-on experience with mission computer integration and configuring advanced networking devices Proficiency in using network monitoring and configuration tools Excellent analytical, problem-solving, and communication skills Ability to work collaboratively in a multidisciplinary team environment Ability to obtain a DoD Secret clearance within a timeframe set forth by management Ability to work onsite full-time at Woodland Hills, CA Basic Qualifications – Senior Principal Network System Engineer: Bachelor’s of Science in Computer Science, Information Technology, Networking, or a related field with 8 years of experience OR Master’s of Science in Computer Science, Information Technology, Networking, or a related field with 6 years of experience in network infrastructure design and management, with a focus on VLANs. Equivalent experience may be considered Knowledge of VLANs and implementation and segregation of VLANs. Configure, monitor, and manage VLANs to ensure secure and efficient network segmentation and traffic management. Knowledge of Cisco Knowledge of layer 2 and layer 3 routing and implementing route tables, NAT and other related functions/principles Knowledge of RHEL Hands-on experience with mission computer integration and configuring advanced networking devices Proficiency in using network monitoring and configuration tools Excellent analytical, problem-solving, and communication skills Ability to work collaboratively in a multidisciplinary team environment Ability to obtain a DoD Secret clearance within a timeframe set forth by management Ability to work onsite full-time at Woodland Hills, CA Preferred Qualifications: Experience in network archiving, including implementation of storage and retrieval systems Strong understanding of network protocols, security standards, and best practices Cisco Certified Network Associate (CCNA) or higher certification CompTIA Network certification Certified Information Systems Security Professional (CISSP) certification Primary Level Salary Range: $114,000.00 - $171,000.00 Secondary Level Salary Range: $142,200.00 - $213,400.00 The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business. The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

Keywords: Northrop Grumman, Thousand Oaks , Principal / Senior Principal Network Systems Engineer, Engineering , Woodland Hills, California