Senior IT Systems & Networking Administrator

CITY OF TOLLESON in; Tolleson (AZ); On-site; USD 95,000 - 143,000; Full time

Job summary

The City of Tolleson is seeking an Information Technology Systems Network Administrator to support and secure the City’s technology infrastructure. The role emphasizes Cisco networking and enterprise firewall administration, requiring independent configuration, management, and troubleshooting of complex environments.

Responsibilities include administering Cisco networks and firewalls, servers, storage, Hyper-V/VMware virtualization, and Microsoft cloud platform (Microsoft 365, Entra ID, Azure,

Qualifications

• Associate degree in Computer Science, IT, Network Administration, Cybersecurity, or related field.
• At least five years of progressively responsible experience supporting enterprise networks, firewalls, servers, storage, virtualization, and Microsoft cloud technologies.

Responsibilities

• Administer Cisco networks and firewalls, servers, storage, virtualization environments.
• Support cybersecurity, backup and disaster recovery, system upgrades, monitoring, and advanced Tier 2/3 troubleshooting.

Skills

Cisco networking

Enterprise firewall

Windows Server

Hyper-V/VMware

Microsoft cloud (365, Entra ID, Azure,

Active Directory

Cybersecurity

Network administration

Education

Associate degree in IT/Computer Science/Network Administration

Tools

Cisco IOS

VMware/Hyper-V

Azure/Intune

Entra ID

Job description

The City of Tolleson is seeking an Information Technology Systems Network Administrator to support and secure the City’s technology infrastructure. The role emphasizes Cisco networking and enterprise firewall administration, requiring independent configuration, management, and troubleshooting of complex environments.

Responsibilities include administering Cisco networks and firewalls, servers, storage, Hyper-V/VMware virtualization, and Microsoft cloud platform (Microsoft 365, Entra ID, Azure,