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# Network Engineer L3- TS/SCI Poly required

- **Company:** EMTAK. LLC
- **Location:** Annapolis Junction, MD, United States
- **Contract:** Permanent contract
- **Skills:** Cisco IOS, System Configuration, Virtual Private Networks (VPN), Network Security, Network Troubleshooting, NetFlow, Network Service, Network Administration, Tcpdump, Wireshark, Nx-os, Network Optimization
- **Published:** July 24, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9052833/network-engineer-l3-tssci-poly-required

## About the Role

We are seeking a Network Engineer to support the full lifecycle of enterprise network operations-from design and implementation to maintenance, troubleshooting, and modernization. The ideal candidate brings strong analytical skills, hands-on network administration experience, and the ability to translate mission needs into reliable, scalable network solutions., * BS + 12 years of relevant experience, or

 * ND + 16 years of relevant experience
Desired Skills & Expertise

 * Experience or working knowledge of Arista EOS (Extensible Operating System) as well as Cisco IOS or NX-OS
 * Demonstrated experience hardening network devices to meet strict security standards and implementing secure network protocols
 * Hands-on experience configuring and managing L2 and L3 network services, including VPN, QoS, network slicing, and segmentation
 * Proficiency using network troubleshooting and analysis tools such as Wireshark, Tcpdump, and NetFlow to diagnose and optimize network performance

## Description

* Perform network services across the full lifecycle, including design, implementation, maintenance, and upgrades of existing networks.
 * Analyze network designs, specifications, engineering documents, and related technical materials.
 * Conduct general LAN/CAN/WAN administration, ensuring stable and secure network operations.
 * Schedule and execute network conversions, migrations, and cutovers.
 * Coordinate with users, sites, and stakeholders to resolve network and system incidents.
 * Translate business and mission requirements into telecommunications solutions, including LAN, CAN, WAN, voice, and video architectures.
 * Perform engineering analysis of telecommunications alternatives to support strategic modernization initiatives and technology refresh efforts.


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