Top Network Administrator Jobs

Supports 24/7 factory and launch test operations by deploying and configuring test software, certifying test servers and equipment, troubleshooting systems, and coordinating program requests. Develops security tools, architectures, and requirements; applies agile methods to product-security work; and protects facilities, equipment, networks, data, and operational resources. Requires extensive systems, networking, cybersecurity, satellite test equipment, and security-certification experience.

Administer and support high-performance computing networks, including switches, routers, firewalls, and server infrastructure. Configure and test networking hardware and software, troubleshoot system issues, perform backups and disaster recovery, monitor performance, and improve network architecture. Maintain firewall and network configurations in STIG compliance, document operations, and provide on-call onsite support. The role also supports network security, hardware integration, and advanced network solutions for an Army supercomputing environment.

Administer and troubleshoot LAN/WAN, routing, switching, VPN, DNS/DHCP, Wi-Fi, Cato Cloud, and VMware environments. Provide Tier 2/3 desktop and end-user support for Windows and macOS, manage onboarding and offboarding tasks, coordinate infrastructure maintenance, document configurations, and support network security, vendors, backups, and continuous improvement initiatives.

Performs 24/7 network administration, operations, maintenance, troubleshooting, and security for NIPRNet and SIPRNet infrastructure. Configures and monitors Cisco and Juniper equipment, firewalls, operating systems, cabling, fiber systems, and network services. Responds to outages, maintains availability targets, implements DoD security requirements and DISA STIGs, manages network documentation and accounts, and recommends infrastructure improvements. The role is fully on-site and supports mission-essential classified space domain operations.

Maintains and implements client network, server, desktop, firewall, virtualization, and software environments in a managed services setting. Provides onsite and remote support, documentation, audits, training, project assistance, and rotating on-call coverage. Develops RPA and AI-powered automation workflows, tracks automation ROI, improves processes, and deploys solutions across clients. Acts as a trusted technical advisor, manages an assigned client portfolio, coordinates vendors, supports client success, and shares technical knowledge with team members.

Administer and troubleshoot enterprise LAN, WAN, application connectivity, Cisco network infrastructure, F5 BIG-IP load balancing, boundary security systems, and highly available network architectures. Support DoD PKI, STIG remediation, cybersecurity incident investigations, NMCI interoperability, cloud migration, documentation, and off-hours maintenance. Collaborate with infrastructure, cybersecurity, cloud, engineering, and operations teams while supporting NAVAIR network modernization in a hybrid onsite environment.

Administers Orange EV’s Microsoft-based IT environment, including Windows Server, Active Directory, Entra ID, Microsoft 365, virtualization, endpoints, and network infrastructure. Responsibilities include identity and access management, PowerShell automation, monitoring, backups, disaster recovery, incident response, documentation, compliance support, and vendor coordination. The role is fully on-site and also manages IT project schedules, budgets, milestones, and deliverables.

Manage and maintain complex global network infrastructure, including F5 BIG-IP, Cisco, and HPE Aruba platforms. Investigate and resolve network outages, performance issues, and security incidents; perform upgrades, configuration changes, monitoring, and on-call support. Lead automation initiatives using Python and Ansible, maintain technical documentation, and collaborate with systems, security, and application teams. The role requires 5–7 years of experience and professional vendor certifications are preferred.

Installs, configures, monitors, and troubleshoots Layer 2 and Layer 3 networks for event venues. Serves as a Tier 2 escalation point, manages BGP routing and upstream provider issues, supports wireless and hotspot services, documents changes, coordinates maintenance, and occasionally provides offsite event support. The role also participates in weekly on-call rotations and supports connectivity, uptime, and essential network services.

Administers and designs LAN, WAN, and VPN infrastructure; configures Cisco routers, switches, firewalls, and related network hardware; monitors network performance; develops documentation; evaluates future communications needs; coordinates third-party maintenance; and supports network architecture and troubleshooting. The role is full-time onsite in Redondo Beach, requires a Secret clearance, DoD 8570 IAT Level II certification, and occasional travel.

Administers and supports an industrial control network, including network hardware and software installation, configuration, monitoring, troubleshooting, testing, backups, repairs, documentation, and user training. Maintains DNS and DHCP services, inventories network assets, coordinates software updates, develops operating procedures, and ensures compliance with standards. Requires three years of network administration experience, a qualifying certification, U.S. citizenship, and Secret clearance eligibility.

Supports installation, configuration, monitoring, troubleshooting, and maintenance of enterprise network infrastructure. Administers routers, switches, SD-WAN platforms, VLANs, routing protocols, firewalls, VPNs, and network security controls. Performs upgrades, patching, documentation, incident response, and outage support while coordinating with senior engineers and security personnel. The role is on-site at Langley Air Force Base and includes an on-call rotation.

Manage and maintain network infrastructure, servers, virtualization platforms, cloud services, backups, and security controls. Monitor performance, troubleshoot hardware and software issues, support end users, document configurations, and assist with infrastructure upgrades. The role also requires maintaining Windows and Linux environments, automating tasks through scripting, ensuring data protection, and supporting compliance with IT and security policies.

Installs, configures, monitors, troubleshoots, and maintains LAN, WAN, server, operating system, and data communications infrastructure supporting the MTC and training exercises. Configures Call Manager, manages access and software licenses, verifies backups and system integrity, and ensures network equipment complies with DISA, Army, and Department of Defense standards. The role requires substantial network administration experience, an IT-related degree or equivalent experience, IAT Level II certification, and an active Secret clearance.

Manage enterprise network infrastructure and Microsoft systems, including servers, firewalls, switches, wireless access points, and endpoint technologies. Provide hardware and software support, configure networks, patch systems, enforce security policies, monitor vulnerabilities, and support backups and disaster recovery. Coordinate with vendors, assist with cybersecurity initiatives and critical software, provide reporting, and assume management responsibilities as a successor to the IT Manager. This is a full-time, onsite role.

Maintains and supports network infrastructure, including firewalls, switches, routers, wireless systems, VPNs, and monitoring platforms. Installs and cables network equipment, supports high-availability and disaster-recovery environments, and collaborates with Systems, Security, Clinical Applications, and Data Engineering teams. Responsibilities include deploying and maintaining LAN/WAN environments, configuring Cisco and Palo Alto technologies, monitoring network performance, and supporting virtualization and cloud systems.

Administer and troubleshoot enterprise LAN/WAN infrastructure, Cisco network devices, F5 BIG-IP load balancing, firewalls, and boundary security systems supporting NAVAIR. Investigate network security incidents, support PKI and cloud modernization, apply DISA STIGs, remediate vulnerabilities, maintain documentation, and collaborate with infrastructure and cybersecurity teams. The role requires onsite work in Patuxent River, participation in on-call rotations, and a DoD Top Secret clearance or eligibility for upgrade.

Manage and troubleshoot enterprise network infrastructure across on-premises and cloud environments, including routing, switching, wireless, firewalls, WAN, voice, and network security. Support hybrid networking, physical security systems, disaster recovery, office expansions, vendor coordination, monitoring, documentation, and network performance optimization. Collaborate with Systems and Security teams to resolve incidents, mitigate vulnerabilities, and maintain reliable, secure connectivity.

Administer and troubleshoot LAN, WAN, network devices, application connectivity, and virtual server environments onsite at Patuxent River NAS. Maintain network boundary security, investigate security incidents, review and update STIG compliance, remediate vulnerabilities, and support highly available network infrastructure. The role also requires maintaining technical documentation, following customer processes, and coordinating with engineering, management, and customer stakeholders.

Maintains, monitors, secures, and supports organizational networks, telecommunications systems, and related equipment. Provides first-level technical support, analyzes and escalates issues, manages system access, mitigates risks, supports disaster recovery planning, coordinates with vendors, and evaluates new technologies. The role also guides change initiatives and may support team self-management while operating with independent judgment and minimal supervision.

Administers and secures distributed DoD networks, including Windows and RHEL images, Cisco LAN/WAN infrastructure, firewalls, access controls, STIG compliance, ACAS scanning, patching, backups, troubleshooting, performance reporting, and network solution design. The role requires active Secret clearance, U.S. citizenship, advanced Cisco configuration skills, and Security+ or equivalent compliance.

Supports day-to-day administration, monitoring, troubleshooting, configuration, installation, and testing of corporate LAN, WAN, and wireless network infrastructure. Assists with network equipment certification, incident reporting, technical support, vendor coordination, service-level compliance, and change testing. The intern works 15–20 hours weekly and may travel to remote offices for maintenance.

Provides network administration support for NIWC Pacific and the U.S. Pacific Fleet. Designs, installs, operates, and maintains networks; supports virtual environments; manages network enhancements and technology installations; trains IT personnel; oversees IT task completion; coordinates vendors and procurement; and supports cybersecurity compliance requirements. On-call and emergency work are required, but travel is not.

Administers and optimizes enterprise network infrastructure, servers, endpoints, Active Directory, Microsoft systems, firewalls, VPNs, wireless networks, backups, antivirus, and Cisco telephony platforms. Provides third-tier technical support, maintains security and compliance controls, documents network architecture, manages vendors and infrastructure projects, recommends technology improvements, and participates in after-hours support and on-call rotations.

Manage enterprise network monitoring tools, alerts, and devices; assist with network helpdesk requests, LAN-to-LAN VPN support, IP changes, hardware installations, and network projects. Review system alerts, coordinate service or escalation, and help maintain network services. The role requires familiarity with networking fundamentals, TCP/IP, network addressing, management protocols, and related infrastructure technologies.