Top Network Administrator Jobs

Responsible for designing, configuring, and supporting IP/MPLS networks for public safety systems, including troubleshooting network issues and managing IP transport.

The role involves troubleshooting and maintaining network infrastructure, resolving outages, and monitoring remote locations for connectivity issues.

Configure and maintain firewalls, switches, wireless APs, and routing (SD-WAN/WAN). Troubleshoot network issues, support DNS/DHCP and VPNs, maintain firewall rules and IDS/IPS, perform firmware updates and vulnerability scans, document SOPs, participate in on-call rotations, and travel to field sites (up to 25%).

The Network Admin will troubleshoot and maintain the network infrastructure, resolve outages and connectivity issues, and communicate with remote locations and AT&T for support.

Maintain and support LAN/WAN and telecommunications systems for Buckley AFB. Install, configure, troubleshoot network hardware/software, recommend purchases, and design network infrastructure with minimal supervision.

Assist in maintaining and managing IT infrastructure, ensuring performance and security, while troubleshooting and documenting system configurations.

Manage, design, and maintain secure, high-availability network and system infrastructure for a federal law enforcement program. Configure Cisco devices, apply DISA STIGs, monitor and remediate network issues, produce diagrams and documentation, provide real-time dashboards, respond to cybersecurity incidents, and support physical, virtual, and hyperconverged environments.

Provide day-to-day network administration and troubleshooting for customers, maintain systems and monitoring tools, perform layer 1-3 connectivity diagnostics, support circuit activations and managed services onboarding, document issues and create internal articles, and offer technical support to internal staff and external customers.

The Network Administrator will maintain and support Sage applications, troubleshoot issues, respond to customer inquiries, provide training, and assist in software release efforts.

Design, implement, and maintain LAN/WAN, cloud, virtual server, and telecommunication systems. Support and troubleshoot Windows network infrastructure, Active Directory, endpoints, backups, and wireless systems. Develop BCP/DR, monitor network utilization, visit branches for IT evaluations, coordinate vendor relations, and provide technical support across the organization.

Maintain, configure, monitor, and troubleshoot classified voice and data network infrastructure (routers, switches, firewalls, encryptors). Produce documentation and diagrams, perform network analysis and vendor coordination, support network management platforms, and work outside normal hours as needed in onsite classified environments.

Maintain, install, configure, monitor, and troubleshoot classified voice and data network infrastructure (switches, routers, firewalls, encryptors). Produce network documentation and analysis, coordinate vendor/third-party maintenance, support network management platforms, and work outside normal hours as needed. Must hold an active transferable U.S. Secret clearance and work onsite in Tucson.

The Network Administrator manages the network infrastructure, configures firewalls and VPN, monitors network health, and provides Tier 2/3 support. Responsibilities include maintaining Wi-Fi systems, security protocols, and ensuring efficient network operations.

The OT Network Administrator manages and supports OT network infrastructure, ensuring operational efficiency and implementing security measures while collaborating with IT and business units.

The role involves managing LAN networks, configuring Cisco routers, switches, firewalls, and load balancers, ensuring effective network administration.

Manage and configure LAN networks, including Cisco routers and switches, firewalls, and load balancers. Upgrade systems as needed.

Maintain and troubleshoot corporate networks: configure switches/routers/firewalls/access points, support LAN/WAN and VoIP, handle tickets, coordinate vendors, participate in projects, and be on-call.

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

Manage and secure AFM's Windows-based network and systems infrastructure. Administer servers, VPNs, firewalls, backups, endpoint protection, Active Directory/Azure AD, and Microsoft 365 services. Perform diagnostics, incident response, vendor collaboration, documentation, and user support to maintain availability and security.

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.

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.

Provide 24/7 Tier 2 help desk and network administration for MQ-9 communications and global network architectures. Troubleshoot and configure network devices, monitor performance, analyze logs, manage tickets, maintain documentation and support network testing, multicast, VPN/IPSec, and routing protocols in a shift work environment.

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.