Senior Network Engineer: WAN SD-WAN & Security Expert

TEKsystems

Reston (VA)

On-site

USD 69,000 - 90,000

Full time

5 days ago

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Benefits offered by this job

On-site in Reston, VA

Contract position

Job summary

TEKsystems is seeking an experienced Senior Network Engineer for a contract role based in Reston, VA. The ideal candidate will manage and modernize a large-scale enterprise network across hundreds of locations, with hands-on expertise in LAN/WAN/WLAN, routing, switching, and security.

The position emphasizes Tier III troubleshooting, engineering implementation planning, and collaboration with security initiatives.

Qualifications

6+ years of network engineering experience.
Active Secret clearance with eligibility to obtain a Top Secret clearance.
Cisco CCNA certification or higher.
DoD 8570 IAT Level III certification such as CASP+, CISSP, CCNP Security.
Strong expertise in LAN/WAN/WLAN, network boundary engineering, routing and switching, and enterprise network security.

Responsibilities

Troubleshoot and resolve complex enterprise network incidents and performance issues.
Configure, maintain, and optimize routers, switches, firewalls, VLANs, wireless infrastructure, and network sensors.
Serve as a Tier III escalation resource for challenging network problems.
Support enterprise routing and switching technologies (OSPF, BGP, EIGRP, MPLS, VPNs, SD-WAN, Multicast).
Develop and execute Engineering Implementation Plans (EIPs) for network changes and upgrades.
Perform Root Cause Analysis (RCA) and recommend corrective actions.
Support network security initiatives using defense-in-depth principles and industry best practices.
Participate in architecture reviews and future-state network design efforts.
Manage change requests and deployment activities per established processes.
Utilize Agile methodologies and JIRA to track engineering efforts.