Top Network Administrator Jobs

Provide secure network and system administration for DoD Special Access Programs: install, maintain, audit Windows environments, manage firewalls, backups, COMSEC integration, troubleshoot systems, support A&A and RMF activities, and provide technical guidance to customers and program staff.

Provide day-to-day support for Collateral, SCI, and SAP environments for DoD customers. Install, maintain, audit, and troubleshoot secure Microsoft Windows networks, Exchange, file servers, firewalls, security monitoring, and backup systems. Perform maintenance, firmware upgrades, tape backups, document systems, attend planning meetings, and offer technical guidance. Support accreditation and security requirements.

Administer, secure, and modernize enterprise Windows and Linux server and network environments. Manage DNS, DHCP, Active Directory/GPOs, patching, OS upgrades, SQL databases, DISA STIG compliance, and automation (PowerShell). Provide technical leadership, troubleshooting, documentation, and coordination with engineers, cybersecurity staff, and stakeholders to support mission-critical operations.

Provide Level 2 network monitoring, advanced troubleshooting, and incident remediation in a 24x7 NOC. Support routers, switches, firewalls, VPNs, and load balancers; own Level 2 tickets, document root causes, produce operational reports, update network documentation, and create runbooks for Level 1 analysts. Work rotating shifts and support export-control eligibility requirements.

Provide Level 2 systems administration and network monitoring for development, test, and production servers. Install, upgrade, and license software; troubleshoot host and network issues; perform daily system monitoring, reporting, and record-keeping; recommend and implement solutions; and create user documentation and training materials.

Provide advanced network monitoring, troubleshooting, and incident remediation in a 24×7 NOC. Handle Level 1 escalations, diagnose complex connectivity issues, perform network configuration changes, own Level 2 tickets to resolution, document root causes, produce operational reports, maintain device inventories and diagrams, and create runbooks and training for Level 1 analysts.

Provide Level 2 network monitoring, advanced troubleshooting, incident remediation, and configuration support in a 24×7 NOC. Own escalated tickets, document root causes, produce reports, maintain network documentation, and create runbooks for Level 1 training.

Lead design, implementation, administration, and troubleshooting of enterprise network and computer systems. Support WAN/BAN/LAN/Wi‑Fi, routers, switches, and firewalls. Drive modernization, patching, firmware updates, STIG/system hardening, vulnerability remediation, and compliance activities. Maintain documentation, support audits, and collaborate with engineers and stakeholders.

The Computer Systems Administrator I will manage and maintain IT infrastructure for DoD environments, ensuring system performance and security. Responsibilities include administering Windows and Linux systems, virtualization, and collaborating with cybersecurity and engineering teams.

Design, deploy, secure, and sustain classified and unclassified network infrastructure. Manage Palo Alto firewalls and Aruba networking, implement zero-trust segmentation, ensure DoD compliance (RMF/STIGs), support incident response and vulnerability remediation, and collaborate with cybersecurity and DevOps teams to maintain high availability and accreditation readiness.