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# Principal Network Engineer / Senior Principal Network Engineer

- **Company:** Northrop Grumman
- **Location:** Chantilly, VA, United States
- **Experience:** Expert
- **Salary:** $103,600.0 - $155,400.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Agile Methodology, CompTIA Security+, Linux, Ethernet, Networking Hardware, OSI Models, Junos, Kernel-Based Virtual Machine, Network Troubleshooting, Microsoft Visio, Network Diagrams, Red Hat Enterprise Linux, Systems Integration, Virtualization Technology, Dynamic Routing, Computer Networking Systems, Break Fix, Juniper, Kubernetes, Cisco, Docker, Vmware
- **Published:** October 26, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3467415652&tx=IT8376TYT&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

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., * Must be a US citizen with an Active TS clearance with SCI eligibility, ability to obtain a Poly to be considered.

 * 5 Years with Bachelor's Degree; 3 Years with Masters; 1 year with a PhD; 9 years of experience in lieu of a degree.
 * IAT-2 Certification (eg; COMPTIA Security+)
 * Experience troubleshooting technical issues based on OSI model.
 * Experience making ethernet cables, pulling fiber, racking equipment.
 * Firm understanding of Cisco CLI commands
 * Firm understanding of Juniper JunOS commands and or firewall concepts
 * Experience with Risk Management Framework (RMF) and Authority to Operate (ATO) process
 * Experience working in an integrated team environment with other systems, software and specialty engineers to develop solutions., * Must be a US citizen with an Active TS clearance with SCI eligibility, ability to obtain a Poly to be considered.
 * 8 Years with Bachelor's degree; 6 Years with Masters; 4 Year with PhD; 12 years of experience in lieu of a degree.
 * IAT-2 Certification (eg; COMPTIA Security+)
 * Experience troubleshooting technical issues based on OSI model.
 * Experience making ethernet cables, pulling fiber, racking equipment.
 * Firm understanding of Cisco CLI commands
 * Firm understanding of Juniper JunOS commands and or firewall concepts
 * Experience with Risk Management Framework (RMF) and Authority to Operate (ATO) process
 * Experience working in an integrated team environment with other systems, software and specialty engineers to develop solutions., * Active TS/SCI clearance with current Poly
 * Understanding of dynamic routing protocols
 * Firm understanding of Juniper JunOS commands and or firewall concepts
 * Previous experience troubleshooting network procedures and best practices; experience with network challenges associated with systems integration, including COTS integration, and capacity analysis.
 * Experience with Linux and Windows operating systems
 * Experience with virtualization technologies (e.g., Red Hat KVM, VMware, libvirt/virsh, Docker, and Kubernetes)
 * Previous experience contributing to building ATO packages
 * Experience working in Agile and O&M environments.

## Description

* Provide Engineering and Administrative support onsite for a team of developers and testers, often deviating from industry standard procedures to meet mission needs but maintaining system security standards.
 * Develop, implement, and support solutions for systems that support mission critical and mission essential infrastructure.
 * Analyze existing systems & networks and make proactive recommendations to drive change and create efficiencies.
 * Creates and maintains clear, accurate network diagrams and topology documentation to support troubleshooting, change management, and cross-team collaboration.
 * Collaborate with mission system developers to create and deploy solutions in support of customer mission needs.
 * Maintain, evaluate, test, and apply STIG configurations for network devices.
 * Respond to security findings and Break Fix events across the infrastructure.
 * Create and maintain network documentation including but not limited to Standard Operating Procedures and VISIO diagrams.