Sr Principal Network Engineer

Northrop Grumman Mission Systems is seeking a candidate to join our diverse team of engineers, system administrators, and operators as a Sr. Principal Engineer Network professional in Chantilly, VA. The successful candidate will be expected to monitor, maintain, and provide Tier-2 and Tier-3 support of a mission critical network infrastructure, collect data for analysis, perform network upgrades, and be able to produce documentation and diagrams of the work they perform. The work is unique, challenging and rewarding. Most of all, its work that makes a difference. The successful candidate should thrive in a fast-paced, quick response, work environment with high expectations, diverse assignments, and possess the ability to communicate and collaborate with multiple teams across all technical levels. The candidate must be able to lead the way to maintain and develop creative solutions to complex problems. Responsibilities: Strong/Expert support of all aspects of network management, to include but not limited to, planning, network design, scheduling, implementation, maintenance, change management, and support of a mission critical network infrastructure. Maintain, evaluate, test, and apply STIG configurations for network devices. Possess strong/expert skills in planning and maintenance for necessary software upgrades to firewalls, switches and routers. Respond to security findings and events across the infrastructure. Lead in planning and executing engineering projects across multiple teams. Expert in the implementation of approved changes to the system as required. Expert understanding of physical network infrastructures and media types. Superb planning, coordination, communication, presentation, and documentation skills. This position requires an Active TS/SCI with Polygraph, and the ability to pass and maintain at least a DoD 8570 IAT Level II, or higher, certification such as CompTIA Security+, within 6 months of onboarding.