Network Administrator, 3rd Shift

Tetrad-Digital-Integrity-LL; Arlington (VA); On-site; USD 80,000 - 84,000; Full time

Job summary

Tetrad Digital Integrity (TDI) is seeking a Network Administrator for the 3rd shift (10 PM to 6 AM) to support the CESO program in Arlington, VA. This onsite role requires an active TS/SCI clearance and a willingness to work nights and weekends.

You will monitor networks, configure devices, troubleshoot issues, and coordinate maintenance to keep critical systems secure and available. Collaboration with engineers and vendors is essential.

Qualifications

• Active TS/SCI clearance required.
• DoD 8750 IAT level II certification (e.g., Security+ CE) required.
• Bachelor's degree and 4+ years related experience.
• Hands-on experience configuring and managing network infrastructure (switches/routers/VLANs/802.1X).
• Proficient with BGP/OSPF and IPsec VPNs.
• Able to monitor performance, security, availability and connectivity.

Responsibilities

• Monitor network connections and performance to ensure availability.
• Identify risks and mitigate network issues.
• Plan, coordinate, implement maintenance, installation, and security.
• Receive and resolve user access requests.
• Troubleshoot and escalate complex problems to senior engineers or vendors.
• Configure, install, and maintain network devices and software.

Skills

TS/SCI clearance

Network monitoring

Troubleshooting

24x7 shift capability

Security best practices

Communication with engineers/vendors

Education

Bachelor's degree

Tools

Switches

Routers

VLANs

802.1X

BGP

OSPF

IPsec VPN

S2S VPN troubleshooting

Security+ CE / DoD 8750 IAT II

Job description

Tetrad Digital Integrity (TDI) is a leading-edge cybersecurity firm with a mission to safeguard and protect our customersfrom increasing threats and vulnerabilities in this digital age.

TDI iscurrently seeking a Network Administrator, 3rd shift (10PM to 6AM) to join the Compartmented Enterprise Services Office (CESO) effort. This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population.

This position is onsite 5 days/week in Arlington, VAand requires an active TS/SCI clearance.

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.
• Able to 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 elevate complex problems to senior engineers or vendors.
• Configure, install, and maintain network devices and software.

QUALIFICATIONS

• An active TS/SCI security clearance is required for this position.
• Currently possess DoD 8750 certification at least IAT level II, e.g Security+ce.
• Bachelor's degree and 4+ years of overall related experience.Additional experience may be considered in lieu of degree.
• Hands-on knowledge of configuring and managing network infrastructure, including switches, routers, VLANs, and 802.1X network access controls.
• Proficiency with dynamic routing protocols, including BGP and OSPF, as well as troubleshooting Site-to-Site (S2S) IPsec VPN tunnels.
• Ability to monitor and troubleshoot network performance, security, availability, and connectivity.
• Comfortable working 24×7 shifts, including nights, weekends, and holidays.

PREFERRED QUALIFICATIONS

• Prior experience with DISA and DISA’s support to mission partners.
• AWS Cloud service experience.
• Experience with Palo Alto devices.

PAY RANGE

The anticipated salary range for this position is $80,000 - $84,000. This range is a good-faith estimate and not a guarantee of compensation. Final compensation will be based on factors including experience, education, skills, geographic location, internal equity, market data and applicable contract requirements, and may fall outside the posted range.

TDI does business with the federal government, which restricts employment to individuals who are either US citizens or lawful permanent residents of the United States.

“TDI is an Equal Opportunity Employer. Employment decisions are made based on individual qualifications, merit, and business needs. We do not discriminate in employment opportunities or practices based on race, color, religion, sex, or national origin, in accordance with applicable federal laws.”