Network Engineer - Must Have Active Ts/Sci Clearance

NorthHill Technology•Lorton, VA

13h•Onsite

About The Position

The Network Engineer provides senior-level support for network infrastructure, focusing on LAN/WAN design, configuration, management, and Azure networking. The role handles Tier 3 engineering escalations and troubleshooting, monitors network health, provides training, and maintains comprehensive documentation. This is a full-time, on-site position at a client location in Lorton, Virginia, requiring an active Top Secret clearance with SCI access or above. The role may involve work outside core hours for high-priority investigations, on-call responsibilities, and frequent travel.

Requirements

7–10+ years of networking engineering experience.
Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent experience.
Proven experience as a Network Support Specialist or in a similar role, with a deep understanding of LAN/WAN design, configuration, management, and Azure networking.
In-depth knowledge of TCP/IP, DHCP, DNS, SNMP, VPN, and routing protocols such as BGP and OSPF.
Experience with network security technologies, including Palo Alto firewalls, IDS/IPS, and access control systems, within an Azure networking environment.
Strong analytical and troubleshooting skills for identifying and resolving complex network issues.
Proficiency with network monitoring and management tools such as Wireshark, SolarWinds, and Nagios, including monitoring Azure networking components.
Familiarity with routers, switches, load balancers, network operating systems such as Cisco and Juniper, and Azure components such as virtual networks, subnets, VPN gateways, and Azure ExpressRoute.
Active TS/SCI clearance or above.
DoD 8570 IAT II certification is required.
Must be within driving distance of Lorton, Virginia or willing to relocate there.
Must be willing to work on-site, travel frequently, and potentially work outside core hours and participate in on-call responsibilities.
Excellent written and verbal communication skills.
Ability to work independently and value teamwork.
Excellent problem-solving skills.

Nice To Haves

CCNP certification.

Responsibilities

Design, configure, and manage LAN/WAN infrastructure and Azure networking components to ensure network performance and reliability.
Resolve complex network issues escalated from lower support tiers in a timely manner while minimizing operational impact.
Monitor network performance, identify potential issues proactively, and implement corrective measures to maintain network health and availability.
Collaborate with cross-functional teams to develop and implement network security policies, procedures, and best practices, particularly for Azure networking.
Conduct network performance analysis and capacity planning, anticipate future requirements, and recommend network enhancements, especially for Azure networking.
Train junior network engineers and support staff on network technologies, best practices, troubleshooting, and Azure networking concepts.
Develop and maintain documentation for network designs, configurations, processes, and procedures, including Azure networking components.