Senior Network Administrator

Triwill Group; United States; On-site; USD 110,000 - 150,000; Full time

Job summary

Triwill Group’s partner is seeking a Senior Network Administrator based in the United States to support mission-critical infrastructure for large-scale enterprise networks in a highly secure government environment.

You will help ensure the stability, security, availability, and performance of complex network systems supporting continuous operations. The role combines advanced network administration, incident response, troubleshooting, security compliance, and technical leadership.

Responsibilities

• Maintain the stability, security, availability, and performance of complex network systems supporting continuous operations.

Job description

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Network Administrator based in United States.

This is a mission-critical infrastructure role supporting large-scale enterprise networks in a highly secure government environment.

You will help ensure the stability, security, availability, and performance of complex network systems supporting continuous operations.

The role combines advanced network administration, incident response, troubleshooting, security compliance, and technical leadership.

You will work with technologies including enterprise routing and switching, firewalls, load balancers, and other critical network services.

The environment is fast-paced and operates around the clock, requiring strong technical judgment and the ability to respond effectively to high-impact incidents.

You will collaborate with government and mission partners while contributing to engineering initiatives, automation, and enterprise planning.

This is also an opportunity to mentor junior administrators and take on alternate team leadership responsibilities while working on systems with significant national-security impact.