Network & Systems Administrator - Cisco, Cloud & Security

Jimmy Jazz; 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.

The position also covers Hyper‑V/VMware virtualization and Microsoft cloud services, with on‑call duties and after‑hours work as needed.

Qualifications

• Associate degree in Computer Science, IT, Network Administration, or related field.
• At least five years of progressively responsible enterprise networking experience.
• Equivalent combination of education and experience may be considered.

Responsibilities

• Administer Cisco networks and firewalls, servers, storage, and virtualization.
• Manage Microsoft cloud platforms including Azure, Entra ID, Intune, and 365.
• Support cybersecurity, backups, disaster recovery, and incident response.
• Perform system upgrades, monitoring, and Tier 2/3 troubleshooting.
• Document configurations and technical procedures.

Skills

Cisco networks

Enterprise firewalls

Servers & storage

Virtualization (Hyper-V/VMware)

Microsoft cloud (365, Entra ID, Azure)

Education

Two-year degree

Tools

Cisco IOS

Hyper-V

VMware

Active Directory

Azure

Intune

Entra ID

Microsoft 365

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.

The position also covers Hyper‑V/VMware virtualization and Microsoft cloud services, with on‑call duties and after‑hours work as needed.