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# SENIOR NETWORK ENGINEER (TS/SCI Clearance Required)

- **Company:** NorthHill Technology
- **Location:** Fairfax, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Bash Shell, Border Gateway Protocol, Computer Engineering, System Configuration, Data Centers, Linux, Ethernet, Enhanced Interior Gateway Routing Protocol, Trunking, Fault Tolerance, Virtual Private LAN Services, IPv4, Multi-protocol Systems, Python (Programming Language), Local Area Networks, Multicasting, Network Architecture, Routing, Network Administration, Network Protocols, Open Shortest Path First (OSPF), TCP/IP, Virtual Local Area Networks, Wide Area Networks, Scripting, Computer Networking Systems, Computer Network Operations, Firewalls (Computer Science), Juniper, Information Technology, Cisco
- **Published:** November 10, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-network-engineer-ts-sci-clearance-required-fairfax-va--5e7db0a5-f271-429d-aa0d-764c7d77a313

## About the Role

Network Architecture/Engineering, Sensitive Compartmented Information (SCI), Top Secret Clearance, Network Architecture/Engineering, Leadership, Network Operations Center, Network Protocols, Network Administration/Management, Willing to Travel, Architectural Design, * Minimum 7 years of demonstrated experience in network engineering, design, implementation and maintenanceProficiency with Juniper (preferred) and/or Cisco networking devices

 * Certifications with Juniper (preferred) and/or Cisco networking devicesProficiency with multiple network protocols, to include, TCP/IP, IPv4, UDP (and multicast), TLS, VPLS, GRE
 * Experience configuring, maintaining, or troubleshooting:
 1. Routing Protocols (i.e. OSPF, EIGRP, and BGP).
 * EVPN (Ethernet over BGP/VXLAN or MPLS/VXLAN)
 * Multicast, STP, Virtual LAN's and Trunking (VLAN's).
 * Local Area Network (LAN) and/or Wide Area Network (WAN).
 * Network Controlled Interfaces/Security: Firewall, ACL.
 * Security+ or CISSP CertificationExcellent communication skills and ability to work well in groupsDesired Skills:
 * Juniper Certifications (JNCIA/S/P/E)Cisco Certifications (CCNA, CCNP)
 * Experience engaging with and working seamlessly within a teamExperience with scripting languages such as Bash, Python, etc.
 * Experience with networking Linux and/or BSD systems to include system administrationExperience working with Multicast protocols
 * Willingness to accept engineering responsibility and present network designs and solutions to the team, agency and end customerWillingness to travel in US and globally if/as requiredEducation:
 * Bachelor's degree in Electrical or Computer Engineering, Computer Science, a closely related discipline, or equivalent relevant experienceTS/SCI clearance required.

## Description

NorthHill Technology Resources, LLC is looking for a SENIOR NETWORK ENGINEER for a full-time position at one of our premier clients located in Fairfax, Virginia. To be considered for this position, you must have a TS/SCI level clearance. You will be part of a small but strong senior level networks team responsible for architecting, designing, installing, implementing, and maintaining a large multi-agency program based mission essential network infrastructure with very strict security, fault tolerance and latency requirements. Areas of involvement include rack level, data center, and transport layers. The team supports multiple programs, all with the same agency requirements and general needs, and provides technical challenges based on ever expanding requirements and mission needs. Most work is performed on-site at customer location, but some travel may be required which may include overseas locations. Strong opportunity for leadership roles and responsibilities in your areas of