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# Senior Network Administrator

- **Company:** McCarthy, Burgess & Wolff, Inc.
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Salary:** $90,000.0 - $95,000.0
- **Contract:** Permanent contract
- **Skills:** Unity 3d, Microsoft Windows, Active Directory, Backup Devices, VoIP, Cisco Unified Communications Manager, Dynamic Host Configuration Protocol, Domain Name System (DNS), Microsoft Exchange Server, Monitoring of Systems, Virtual Private Networks (VPN), Internet Small Computer System Interface (ISCSI), Network Troubleshooting, Linux Servers, Windows Servers, Network Architecture, Routing, Network Administration, TCP/IP, Virtual Local Area Networks, Virtualization Technology, VMware VSphere, Wide Area Networks, Internet Protocol Telephony, Computer Network Operations, Office365, Firewalls (Computer Science), Information Technology, Veeam, Cisco, Vmware
- **Published:** August 6, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=2a2c4624cb4357aa

## About the Role

· 5+ years of IT infrastructure experience with substantial responsibility in networking and systems administration

· Strong hands-on experience with enterprise VoIP systems like Cisco Unified Communications Manager & Cisco Unity

· Solid understanding of TCP/IP, VLANs, routing, switching, DNS, DHCP, VPNs, and general network troubleshooting Experience with:

· Supporting enterprise-grade firewalls, switches, and general network operations

· Administering VMware vSphere environments

· Windows server administration, including Active Directory, Group Policy, Microsoft Exchange Server and M365

· Backup and recovery platforms, preferably Veeam Backup & Replication

· Infrastructure monitoring, alerting, and incident response

· Supporting audits, compliance reviews, or control validation activities

· Structured IT operational processes, change control, incident handling, and documentation, * Bachelor's (Preferred)

## Description

Supports core voice, network, server, and infrastructure systems in a mixed enterprise and call center environment. Requires strong VoIP and network administration experience, plus solid server, virtualization, backup, and security skills. Includes daily operations, escalations, service desk overflow, and a light on-call rotation on a small experienced team., · Administer voice and network infrastructure, including Cisco Call Manager, Unity, firewalls, switches, LAN/WAN, and routing

· Support storage infrastructure, including iSCSI SAN connectivity and troubleshooting

· Administer VMware hosts, Windows and Linux servers, iSCSI SANs, and Veeam Backup & Replication systems

· Manage Active Directory, Group Policy, and core identity-related services

· Network and endpoint security administration, hardening, patching, and operational response

· Participate in compliance, audit, and documentation efforts

· Tiered escalation support and assist with service desk overflow when needed

· Light-duty on-call rotation approximately 1 week per month

· Maintain clear technical documentation, procedures, diagrams, and operational records


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