Top Network Administrator Jobs

Lead and administer enterprise networks for global Live Virtual Constructive (LVC) environments, ensuring availability, performance, RMF/STIG compliance, security controls, troubleshooting, optimization, and mentoring staff. Must obtain/maintain DoD clearances.

The role involves configuration and administration of mainframe network software, providing technical support, monitoring performance, and ensuring compliance with policies.

The role requires managing and configuring F5 and Cisco networking equipment, ensuring integration with various systems, and supporting remote access and network services.

Administer, monitor, troubleshoot, and maintain network infrastructure and devices supporting Microsoft infrastructure and mission-critical systems. Install, deploy, upgrade, and support systems, manage user access, collaborate with IT support, and provide operational guidance to ensure secure, reliable network operations for a federal client.

Monitor and maintain network devices and Microsoft infrastructure; troubleshoot connectivity and network anomalies under direction of lead administrator; install, configure, and maintain network hardware/software; assist with user support and system performance monitoring to ensure a secure, stable network environment in hybrid and on-site settings.

The Windows Network Administrator will handle system and network installation and maintenance, focusing on Windows and MAC environments and basic troubleshooting.

Provide Tier 1 enterprise IT help desk and LAN/WAN support for AFCENT. Troubleshoot and resolve issues on network infrastructure, routers, switches, servers, firewalls, proxies and caching arrays; monitor performance; escalate complex incidents to Tier 2/3; perform LRA duties; support voice/video and provide 24/7/365 coverage and TDY CONUS support as required.

The Senior Network Administrator will oversee network performance, security, and design, mentor junior staff, and ensure the integration of technologies. Responsibilities include configuring devices and managing upgrades while collaborating across IT teams.

The Systems/Network Administrator provides IT systems support, troubleshooting, and maintenance. Responsibilities include managing daily operations, user assistance, problem resolution, and optimizing systems. Requires experience in configuring systems and network components, and supporting IT environments.

Assist in managing network infrastructure while providing desktop support in a Windows environment, implementing security policies, and monitoring logs for threats.

Maintain and support wired/wireless networks, routers, switches, firewalls, and servers across multiple manufacturing sites. Troubleshoot connectivity, manage VPNs and firewall rules, administer DNS/DHCP, document topology, perform cabling and physical installs, develop SOPs, and support escalated help-desk issues. Travel regionally 25–50% and perform physically demanding tasks in industrial environments.

Administers, secures, monitors, and supports wired, wireless, WAN, switching, routing, firewall, and network authentication infrastructure across multiple locations. Troubleshoots complex connectivity issues, manages maintenance and upgrades, maintains documentation, coordinates with service providers, and supports network projects, new locations, lifecycle planning, and reliability improvements.

Administers and troubleshoots mission-critical LAN, WAN, telecommunications, VoIP, VTC, firewall, routing, encryption, VDI, and cross-domain network environments. Configures Cisco and Palo Alto infrastructure, supports secure communications and classified solutions, maintains network availability, resolves transport and protocol issues, assists customers, follows DoD standards, and participates in projects and 24/7 operational support.

Manages and troubleshoots secure LAN, WAN, BAN, telecommunications, VoIP, VTC, firewall, encryption, VDI, and cross-domain network environments supporting more than 5,000 users. Configures Cisco and Palo Alto equipment, supports eBGP routing, applies DoD security standards and STIGs, escalates incidents, coordinates network installations and projects, develops technical proposals and diagrams, and supports 24/7 mission-critical operations.

Maintains, installs, configures, monitors, and documents classified voice and data network infrastructure. Supports routers, switches, firewalls, authentication servers, encryptors, network management platforms, and related software. Performs network analysis, troubleshooting, upgrades, documentation, and third-party maintenance coordination. Works onsite in classified computing areas, may support after-hours activities, and must obtain Security+ and CCNA certifications within specified timeframes.

Manages DoD network defense and security compliance activities, including ACAS infrastructure, vulnerability scanning, reporting, AESS site reviews, DISA whitelist and PKI token management, STIG compliance, PPSM support, configuration security reviews, and eMASS POA&M remediation tracking. The role also supports account processing, training and certification tracking, software assurance reviews, incident response, and security documentation. An active DoD Secret clearance and cybersecurity certification are required.

Plans, designs, implements, monitors, reports on, and maintains network and telephony infrastructure. Manages network administrators and engineers while providing technical leadership and hands-on support. Configures and optimizes Cisco LAN, WAN, WLAN, routing, switching, firewalls, VPN, MPLS, wireless, VoIP, and unified communications environments. Troubleshoots network performance and security issues, supports cabling design, maintains documentation, and contributes to infrastructure standards and upgrades.

Plan, configure, maintain, secure, and troubleshoot complex DoD network systems, including routers, switches, encryption devices, and WAN/LAN infrastructure. Ensure compliance with DISA STIGs and Army cybersecurity standards, analyze network performance, maintain technical documentation, support configuration management, and resolve urgent circuit and equipment issues. The role collaborates with government personnel and contractors to provide reliable network support for mission-critical Army operations.

Manage and troubleshoot LAN/WAN networks, deploy and optimize network configurations, monitor performance with tools like SolarWinds and Cisco Prime, and perform 2nd/3rd-level infrastructure support. Design and audit network/security, maintain documentation, support disaster recovery planning, and recommend upgrades. Provide staff guidance and continuous improvements to ensure network availability and data integrity.

Provide onsite systems and network administration: deploy and troubleshoot Windows desktops/laptops, manage VMware infrastructure (vCenter/ESXi/vSAN), maintain Active Directory/Azure AD/GPO, support backups (Nakivo), patch Windows/Linux, configure network switches and VLANs, and manage Intune and Bitdefender AV.

Manage cybersecurity network defense activities for Army IT environments, including ACAS infrastructure, vulnerability scanning, STIG compliance, AESS reviews, DISA Whitelist and PKI token management, PPSM support, configuration security reviews, account processing, and remediation tracking through eMASS POA&Ms. The role requires extensive DoD cybersecurity experience, an active Secret clearance, and occasional travel to government or data center facilities.

Lead design, implementation, monitoring, reporting and maintenance of network and telephony infrastructure. Manage and provide technical leadership to a team of network engineers/administrators. Perform hands-on Cisco router/switch/firewall/VoIP configuration, routing protocols (EIGRP/OSPF/BGP), VPN/MPLS, QoS, wireless, NetFlow analysis, network security (IPsec/SSL/IDS/IPS), and documentation using Microsoft Office. Korean bilingual required. PM roles require ~8 years of team leadership.

Administer and maintain the school's network, servers, endpoints, MDM, and cloud identity services. Troubleshoot infrastructure and classroom technology, support AV and printers, assist with cybersecurity, backups, disaster recovery, and participate in technology projects and planning.

The Network Administrator manages networks, troubleshoots issues, coordinates with vendors, and oversees systems projects and policy discussions within DoD information systems.

Support, maintain, troubleshoot, and optimize enterprise network infrastructure. Configure routers, switches, firewalls, VPNs; monitor performance and security; respond to incidents; participate in maintenance, upgrades, on-call rotations, and client-facing technical support while documenting configurations and collaborating with cloud, security, and support teams.