Lead Network Administrator

We are seeking a highly skilled Network Administrator to join our IT Infrastructure team. This role is responsible for managing maintaining and optimizing our enterprise network environment across on-premises and cloud platforms. The ideal candidate is a hands-on professional with strong experience in network administration cloud connectivity cybersecurity best practices and infrastructure operations.

You will play a key role in ensuring the reliability security and performance of our network infrastructure while supporting infrastructure modernization initiatives and collaborating with Infrastructure Security Cloud and Service Desk teams.

• Manage monitor and maintain enterprise network infrastructure including routers switches firewalls wireless networks VPNs SD-WAN and cloud connectivity.
• Administer and troubleshoot DNS DHCP IP addressing VLANs routing switching NAT VPNs and firewall policies.
• Support LAN WAN WLAN and hybrid cloud networking environments.
• Diagnose and resolve network performance connectivity routing latency and application access issues.
• Perform network upgrades hardware refreshes migrations and infrastructure improvement projects.
• Maintain network diagrams IP address documentation device inventories and configuration standards.
• Participate in change management by documenting reviewing and implementing network changes.

• Support SD-WAN environments including routing policy management failover and performance optimization.
• Assist with networking across Azure AWS or GCP cloud environments.
• Configure and support virtual networks subnets routing tables network security groups VPN gateways cloud firewalls and private connectivity solutions.
• Collaborate with Cloud and Infrastructure teams to ensure secure connectivity between on-premises environments and cloud platforms.

• Implement secure network configurations aligned with cybersecurity best practices.
• Manage firewall policies network segmentation VPN access and Zero Trust initiatives.
• Support vulnerability remediation network hardening patch management and security compliance activities.
• Partner with Security teams to investigate network alerts suspicious activity and access-related incidents.
• Ensure network devices are securely configured backed up monitored and regularly updated.

• Support Infrastructure as Code (IaC) initiatives using Terraform or similar automation tools.
• Assist with scripting and automation to improve deployment consistency and operational efficiency.
• Create and maintain network documentation SOPs runbooks troubleshooting guides and operational procedures.
• Document incidents root cause analyses remediation activities and configuration changes.

• Bachelors degree in Information Technology Computer Science or a related field (or equivalent experience).
• 4 years of experience in Network Administration Network Engineering or Infrastructure Operations.
• Strong hands-on experience with:
  • DNS DHCP IPAM
  • Routing and Switching
  • VLANs
  • Firewalls
  • VPNs
  • Wireless networking
  • SD-WAN
  • Network monitoring tools
• Experience supporting hybrid cloud networking in Azure AWS or GCP.
• Strong understanding of network security segmentation firewall management and secure configurations.
• Proven ability to troubleshoot complex network issues across on-premises and cloud environments.
• Experience maintaining technical documentation diagrams and operational procedures.
• Excellent analytical communication and problem-solving skills.
• Self-motivated with the ability to work independently and manage multiple priorities.

• Experience with Terraform or other Infrastructure as Code (IaC) tools.
• Experience in regulated environments such as Healthcare Financial Services HIPAA PCI or SOC 2.
• Hands-on experience with one or more of the following technologies:
  • Cisco
  • Fortinet
  • Palo Alto
  • Meraki
  • Aruba
  • Juniper
  • Zscaler
• Experience with Azure networking services including:
  • Virtual Networks (VNets)
  • Network Security Groups (NSGs)
  • Azure Firewall
  • ExpressRoute
  • VPN Gateway
  • Private Endpoints
• Experience with PowerShell Python YAML or infrastructure automation.
• Familiarity with monitoring platforms such as SolarWinds PRTG LogicMonitor or Datadog.
• Industry certifications such as CCNA CCNP Network Security Fortinet NSE or Azure Network Engineer are highly preferred.

• Strong troubleshooting and analytical skills.
• Security-first mindset with attention to detail.
• Excellent documentation and process discipline.
• Ability to work independently while collaborating effectively across cross-functional teams.
• Commitment to delivering reliable scalable and secure network infrastructure.
  

NationsBenefits is an Equal Opportunity Employer.