Night Network Administrator — TS/SCI, Cyber Defense Ops

TDI (Tetrad Digital Integrity); Arlington (VA); On-site; USD 105,000 - 145,000; Full time

Job summary

Tetrad Digital Integrity (TDI) in Arlington, VA is hiring a Network Administrator for the 3rd shift (10 PM to 6 AM) to support the Compartmented Enterprise Services Office (CESO) program onsite five days a week.

The role requires an active TS/SCI clearance, DoD 8750 IAT Level II certification (e.g., Security+ CE), a Bachelor's degree with 4+ years of related experience, and hands-on experience configuring network infrastructure (switches/routers, VLANs, 802.1X), plus BGP/OSPF and Site-to-Site

Qualifications

• Active TS/SCI security clearance is required.
• DoD 8750 certification at least IAT level II (e.g., Security+ CE).
• Bachelor's degree and 4+ years of related experience.
• Hands-on experience configuring and managing network infrastructure (switches, routers, VLANs, 802.1X).

Responsibilities

• Network monitoring of connections and performance to ensure network availability for user access and services.
• Proactively identify risks and issues in the network and complete actions to mitigate them.
• Plan, coordinate and implement network maintenance, installation, and security to protect and improve network infrastructure.
• Receive and review user requests to establish or resolve issues with user access to services.
• Troubleshoot and resolve network issues and escalate to senior engineers or vendors.
• Configure, install, and maintain network devices and software.

Skills

Network maintenance

BGP

OSPF

IPsec VPN

802.1X

TS/SCI clearance

DoD 8750 IAT II

Education

Bachelor's degree

Tools

Palo Alto devices

AWS Cloud

IPsec/VPN

Job description

Tetrad Digital Integrity (TDI) in Arlington, VA is hiring a Network Administrator for the 3rd shift (10 PM to 6 AM) to support the Compartmented Enterprise Services Office (CESO) program onsite five days a week.

The role requires an active TS/SCI clearance, DoD 8750 IAT Level II certification (e.g., Security+ CE), a Bachelor's degree with 4+ years of related experience, and hands-on experience configuring network infrastructure (switches/routers, VLANs, 802.1X), plus BGP/OSPF and Site-to-Site