Senior Network Administrator - Multi-Site & Security

Southeast Mississippi Rural Health Initiative, Inc.; Mississippi; On-site; USD 65,000 - 90,000; Full time

Job summary

Southeast Mississippi Rural Health Initiative, Inc. is seeking a Network Administrator to design, implement, and secure our network infrastructure across multiple locations.

You will ensure reliable connectivity and support WAN/LAN environments, with a focus on security and regulatory compliance. Responsibilities include configuring routers and switches, managing DNS/DHCP/IPAM, VPNs, SD-WAN, and firewall policies, while training junior staff and coordinating with IT leadership on incidents and

Qualifications

• 3-5 years of network administration experience in a multi-site enterprise environment.
• Hands-on experience with managed switches, firewalls, and enterprise wireless platforms.
• Proficiency with core network protocols (TCP/IP, BGP, OSPF, VLAN, STP, QoS).
• Experience with UniFi, Cisco, Meraki or similar platforms.
• Familiarity with network monitoring tools such as PRTG or SolarWinds.
• HIPAA security knowledge preferred; CCNA/CompTIA Network+ preferred; CCNP a plus.

Responsibilities

• Manage LAN, WAN, and wireless network infrastructure across all 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.
• Maintain DNS, DHCP, and IP address management (IPAM) across the environment.
• Maintain and troubleshoot site-to-site and remote access VPN connections.
• Support 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 HIPAA requirements.
• Manage IDS/IPS systems and respond to network security events.

Skills

TCP/IP, BGP, OSPF, VLAN, STP, QoS

Firewall configuration

Network troubleshooting

On-call responsiveness

HIPAA awareness

Education

CCNA

CompTIA Network+

CCNP

Tools

UniFi

Cisco

Meraki

PRTG

SolarWinds

Job description

Southeast Mississippi Rural Health Initiative, Inc. is seeking a Network Administrator to design, implement, and secure our network infrastructure across multiple locations.

You will ensure reliable connectivity and support WAN/LAN environments, with a focus on security and regulatory compliance. Responsibilities include configuring routers and switches, managing DNS/DHCP/IPAM, VPNs, SD-WAN, and firewall policies, while training junior staff and coordinating with IT leadership on incidents and