Senior Network Engineer | TS/SCI Clearance, Onsite Laurel

Antero Technology Services; Laurel (MD); On-site; USD 120,000 - 150,000; Full time

Job summary

Antero Technology Services in Laurel, MD is seeking a Senior Network Administrator to own secure enterprise networks, combining operations with engineering, design, and modernization in a hands-on role.

You will install, configure, and maintain LAN/WAN infrastructure, support Cisco and Juniper environments, implement DoD/DISA STIGs, and mentor teammates while working 100% onsite on day shift.

Qualifications

• Active TS/SCI clearance required.
• CCNA certification.
• DoD 8570 IAT Level II certification (Security+ or equivalent).
• Ability to work 100% onsite in the Laurel, Maryland area on day shift.

Responsibilities

• Install, configure, maintain, troubleshoot, and improve enterprise LAN/WAN infrastructure (routers, switches, firewalls, VPNs, remote-access).
• Design and build network environments; contribute to topology, architecture, segmentation, configuration, and implementation.
• Support enterprise routing and switching across Cisco and Juniper environments, including dynamic routing, VLANs, trunking, inter-VLAN routing, spanning-tree, and EtherChannel/LACP.
• Configure and support network security capabilities, including access controls, firewalls, VPNs, security hardening, and DISA security baselines.
• Diagnose complex network problems, perform root-cause analysis, and improve availability, performance, and security.
• Contribute to network analysis, capacity planning, modernization, and evaluation of upgrades and emerging technologies.
• Share experience with the team, providing technical guidance and mentorship.

Skills

Cisco networking

Routing & Switching

OSPF

BGP

RIP

VLANs

EtherChannel/LACP

Firewall/VPN security

DoD/STIGs

Tools

Cisco IOS

Job description

Antero Technology Services in Laurel, MD is seeking a Senior Network Administrator to own secure enterprise networks, combining operations with engineering, design, and modernization in a hands-on role.

You will install, configure, and maintain LAN/WAN infrastructure, support Cisco and Juniper environments, implement DoD/DISA STIGs, and mentor teammates while working 100% onsite on day shift.