Senior Network & Infrastructure Administrator

Job Description

We are seeking a Senior Network & Infrastructure Administrator to manage and support enterprise network, server, cloud, virtualization, and cybersecurity infrastructure for a large multi-site environment.

Required Skills

• 5+ years of enterprise network and infrastructure administration experience
• Strong experience with Cisco routing, switching, VLANs, and WAN
• Hands-on experience with Aruba Wireless (Aruba Central, ClearPass)
• Experience administering Palo Alto Firewalls
• Strong knowledge of Windows Server, Active Directory, DNS, DHCP, Group Policy
• Experience with Hyper-V, Dell Storage, Backup & Recovery, Microsoft 365, Google Workspace
• Excellent troubleshooting, documentation, and vendor management skills

Responsibilities

• Administer enterprise network, wireless, firewall, server, and cloud infrastructure
• Manage virtualization, storage, backup, disaster recovery, and business continuity
• Monitor infrastructure performance, security, and system availability
• Support Microsoft 365, Google Workspace, VoIP, and telecommunications
• Cook up with vendors, ISPs, and internal teams on upgrades and projects
• Provide Tier III support and lead infrastructure modernization initiatives

Preferred

• Experience in K-12/Public Sector environments
• Certifications such as CCNA, CCNP, Palo Alto, Aruba, Microsoft, or Security+