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Network Specialist with Security Clearance

Eliassen GroupPentagon, DC🇺🇸United StatesPosted 28 Aug 2026

Why This Role Stands Out

This on-site Network Specialist role at Eliassen Group offers a fantastic opportunity to leverage your advanced troubleshooting and integration skills within a secure federal environment, supporting critical IT systems. You'll thrive here if you have a Top Secret clearance, extensive experience with core networking protocols, and a passion for maintaining robust system operations, with excellent benefits and a competitive compensation package included. We encourage you to apply and contribute your expertise to this vital mission.

Quick Overview

Seniority
Mid Senior
Employment type
Temporary/Casual
Work mode
On Site
Location
Pentagon, DC, United States
Posted
19 hours ago

Job Description

On-site in Arlington, VA Our client seeks a senior Systems Engineer to perform advanced installation, operation, integration, and troubleshooting to maintain stable IT system operations. The role designs and oversees upgrades and new implementations while coordinating with cyber security. It manages Tier III upgrades and troubleshooting across networking, systems, and storage, and optimizes core network services and routing. The position integrates enterprise, regional, and local systems to sustain current operations and lead recovery when required.

Due to federal security clearance requirements, applicant must be a United States Citizen with an active Top Secret clearance. Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance. Responsibilities
Perform advanced systems installation, operation, integration, and troubleshooting to maintain IT system performance.

Design and oversee upgrades and new installs of IT systems and services with coordination from Cyber Security specialists. Execute Tier III upgrades of networking, IT systems, and storage networking. Conduct Tier III troubleshooting, optimization, and performance management of IP, DNS, DHCP, and routing protocols. Integrate enterprise, regional, and local IT systems to sustain current operations or oversee their recovery. Experience Requirements
Ten or more years of IT experience covering IPv6, EIGRP, BGP, VLANs, VPNs, and NAT.

Proven experience with Tier III operational support, upgrades, and performance optimization across network and system domains. Background coordinating with cyber security for secure design and change implementation. Education Requirements
Must possess one or more of: Cisco CCNP, Cisco CCDP, Microsoft MTA, Microsoft MCSA, or Microsoft MCTS.

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