Network Administrator

Job Summary:

The Network Administrator is responsible for the design, implementation, management, and security of the organization's network infrastructure. This position ensures reliable and secure network connectivity across all locations, supports multi-site WAN/LAN environments, and plays a key role in infrastructure planning and network security initiatives.

Job Responsibilities:

• Manage and maintain LAN, WAN, and wireless network infrastructure across all organizational locations
• Configure, monitor, and troubleshoot routers, switches, firewalls, and wireless access points
• Administer network segmentation including VLANs, inter-VLAN routing, and guest network isolation
• Monitor network performance and availability using network monitoring tools and respond to alerts
• Manage DNS, DHCP, and IP address management (IPAM) across the environment
• Maintain and troubleshoot site-to-site and remote access VPN connections
• Support and administer SD-WAN and cloud-based networking solutions as applicable
• Implement and maintain firewall policies, access control lists, and network security rules
• Cybersecurity awareness training
• Monitor network traffic for anomalies, intrusion attempts, and policy violations
• Assist with vulnerability assessments and remediation of network-level findings
• Enforce network security best practices in alignment with organizational and regulatory requirements including HIPAA
• Manage IDS/IPS systems and respond to network security events
• Participate in the design and implementation of new network infrastructure for facility expansions and new site deployments
• Evaluate and recommend networking hardware, software, and services
• Coordinate with ISPs and vendors for circuit provisioning, troubleshooting, and escalations
• Maintain accurate and up-to-date network diagrams, documentation, and asset inventory
• Support structured cabling, rack management, and data center infrastructure as needed
• Serve as a subject matter expert and escalation point for network-related issues
• Mentor junior IT staff on networking concepts and best practices
• Collaborate with systems, security, and application teams on cross-functional projects
• Communicate network status, incidents, and planned changes to IT leadership
• Performs other duties as assigned.
• Completes all required trainings prior to deadline

Job Requirements:

• 3-5 years of network administration experience in a multi-site enterprise environment
• Strong hands-on experience with managed switches, firewalls, and enterprise wireless platforms