Top Network Administrator Jobs

Provide hands-on administration and support for high-performance computing networks: configure and maintain switches, routers, and firewalls; ensure STIG compliance; perform backups and disaster recovery; monitor performance; troubleshoot hardware/software issues; document configurations and maintenance.

Designs, implements, maintains, and secures enterprise wired and wireless networks using Cisco equipment. Supports WAN/LAN/WLAN/VPN, routing, switching, VLANs, QoS, and Firepower security. Monitors performance, troubleshoots outages, performs packet analysis, and collaborates on infrastructure projects and disaster recovery to ensure high availability for clinical systems.

Senior Network Administrator responsible for installing, supporting, and maintaining servers, network and telephony infrastructure. Duties include security, backups, patching, monitoring, configuration management, change control, troubleshooting, performance tuning, documentation, disaster recovery, vendor coordination, light scripting, and project management for a trading-floor environment.

Administer and maintain a CUI enterprise network and systems under CMMC compliance. Configure and troubleshoot Cisco networking, Cisco ISE, Palo Alto firewalls, Microsoft 365 services, Active Directory, Windows and RHEL endpoints, VPNs, and monitoring tools. Respond to incidents, support patching and endpoint management, document change management, and prepare for audits while collaborating with engineers and operations teams.

Maintain and troubleshoot networks and systems (VPNs, routers, switches, LAN/WAN, mainframes). Provide helpdesk support, onboard/offboard users, document network configurations, assist with ERP and Ignition issues, review updates for compliance, and deliver user training and escalation to management.

Administer and support enterprise and operational network infrastructure for launch operations, including switches, routers, firewalls, VPNs, VLANs, monitoring, troubleshooting, incident response, documentation, and collaboration with cybersecurity and engineering teams during mission-critical and shift-based operations.

Hands-on owner of campus-wide network and infrastructure supporting guest-facing systems across multiple venues. Maintain, troubleshoot, and configure switches, routers, wireless, and firewalls; support POS, ticketing, access control, surveillance, and event technologies; provide real-time operational support during events and peak periods; coordinate vendor escalations, maintenance windows, and security practices to ensure operational continuity and guest experience.

Maintain and support campus network infrastructure: procure/configure hardware, troubleshoot routing/switching/VoIP/Wi‑Fi, manage IDF rooms and inventory, monitor network health, enforce access control and security, coordinate outages, and keep documentation current.

Manage and sustain enterprise network infrastructure including routing, switching, wireless, firewalls, ACLs, VPNs, and segmentation. Implement network security per STIGs/NIST/Zero Trust, support ICAM (Okta, Azure AD), monitor/logging systems, provide Tier III escalation, maintain documentation, and participate in on-call support and infrastructure deployments.

Maintain and monitor enterprise LAN/WAN infrastructure, install and configure routers, switches, firewalls, SD‑WAN and Wi‑Fi devices, support network escalations, manage DNS and server administration, document configurations, and travel to offices for installations and support.

Provide front-line on-site support for campus datacenter and network infrastructure: install, configure, and maintain network, server, wireless, and voice systems; troubleshoot LAN/server issues; manage hardware deployment, cabling, procurement, incident logging, and documentation; support projects and after-hours maintenance; escalate complex issues to senior teams.

Provide on-site administration, configuration, maintenance, and security of enterprise network infrastructure (NIPRNET/SIPRNET) supporting mission-critical Army systems. Monitor performance, troubleshoot routing/switching/VPN/VoIP issues, implement DoD-compliant security controls, support modernization, and produce technical documentation and procedures.

Maintain and troubleshoot classified voice and data network infrastructure onsite, including installation, configuration, monitoring, documentation, and vendor coordination. Support routers, switches, firewalls, encryption, network management tools, and STIG compliance. Perform network analysis, plan upgrades, and provide after-hours support as needed while working in Special Access/classified environments with an active Secret clearance.

Manage the lifecycle of telecommunications services, ensuring robust network connectivity and acting as a liaison between IT and external providers. Oversee connectivity management, vendor relationships, and technical provisioning while maintaining accurate documentation.

The IT Network Administrator manages enterprise network infrastructure, provides user support, troubleshoots issues, and ensures security and reliability.

Provide Tier 3 network and infrastructure support: monitor ticketing, manage file/print servers, administer clustered SQL Server, Hyper-V, Exchange/Office365/Azure, Cisco perimeter hardware, Active Directory, and remote user access (VPN/FTP). Support infrastructure and core teams, recommend policy/procedure improvements, and troubleshoot backups and SAN/SharePoint systems as needed.

Install, configure, and maintain LAN/WAN, internet systems, desktops and mobile devices. Support print servers and VMware virtual environment. Configure and troubleshoot Cisco ASA firewalls, review event logs on Windows Server 2008/2012, and administer Active Directory in an enterprise environment.

The IT Systems & Network Administrator manages and maintains the internal infrastructure, focusing on networking, cloud systems, and end-user support while developing IT processes and documentation for a scalable support function.

Provide network administration and security support to NIWC Pacific, ensuring seamless communications, identifying enhancements, executing project plans, training military and civilian IT staff, overseeing IT task completion, coordinating hardware procurement and installations, and providing on-call/emergency support.

Operate and maintain global LAN/WAN for USSOCOM and deployed forces: monitor networks, troubleshoot and escalate issues, manage IDS/firewalls/VPNs, document configurations and inventories, perform upgrades, create monitoring reports, and support engineering and project work.

Tier 2 Network Administrator responsible for break/fix, configuration changes (VLAN, ACL, port assignment), IOS upgrades, routing/switching technology upgrades, SOP drafting, incident analysis, ticket resolution, root cause analysis, and implementation of STIGs. Supports network implementations, surveys, engineering data calls, and provisions routers, switches, and cryptographic devices.

Provide Tier 2 network operations support: implement VLAN/ACL/port changes, perform IOS upgrades and firmware updates, configure Cisco/Juniper routers and switches, manage tickets, perform root cause analysis, draft SOPs, implement STIGs, support site deployments and cryptographic KG-175 TACLANE operations, and collaborate with NOC and engineering teams.

Serve as a NOC Network Administrator responsible for patching and IOS/software upgrades, provisioning and troubleshooting routers/switches/VLANs, performing incident analysis and root cause, drafting SOPs, monitoring performance and capacity planning, supporting network implementations and engineering data calls, and documenting resolutions in knowledge management systems.

The Network Engineer will manage and troubleshoot Windows servers and Meraki devices, ensuring security and compliance while providing IT support.

Manage client network infrastructure, provide technical support, recommend improvements, assist project management, and offer end-user training.