Senior Network Administrator

Job Description

Overview

Join a mission-critical IT team supporting Navy enterprise operations. In this role, you will install, configure, and manage complex network and virtual server infrastructure, ensuring performance, availability, and cybersecurity compliance across fleet engineering and modernization systems.

Responsibilities

Install, configure, and maintain enterprise servers, network systems, and virtual environments

Monitor and maintain system health, ensuring high availability and minimal downtime

Apply critical software updates, security patches, and antivirus measures to all managed systems

Manage user accounts, roles, and permissions within Active Directory and associated systems

Oversee data backup procedures and perform disaster recovery testing

Implement and verify compliance with DoD cybersecurity policies and STIG requirements

Collaborate with cybersecurity teams to ensure RMF accreditation and secure network configurations

Support IT integration efforts for engineering and logistics systems used in Navy fleet operations

Troubleshoot and resolve complex system issues, escalating as needed to Tier III support or engineering teams

Maintain detailed system documentation, including network diagrams, configuration guides, and change logs

Qualifications

Active Security Clearance or ability to possess

CompTIA Security+ or higher certification strongly preferred

Bachelor's degree in any discipline

Minimum 10 years of experience in system/network administration in a DoD environment

Demonstrated expertise in:

Windows/Linux server administration, Active Directory (AD), DNS, and DHCP

Virtualization platforms such as VMware and Hyper-V; experience in Azure hybrid cloud environments

Cybersecurity frameworks including RMF, patch management, and STIG compliance

Full-time