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Network Administrator

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Robert Half

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Location:
United States , Phoenix

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Category:
IT - Administration

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Contract Type:
Not provided

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Salary:

Not provided
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Job Description:

We are looking for an experienced Network Administrator to support and maintain a reliable enterprise network environment in Phoenix, Arizona. This Long-term Contract position is ideal for someone who is detail oriented and can manage core infrastructure, strengthen network security, and ensure stable connectivity across business operations. The role requires hands-on expertise with Cisco networking equipment, firewall platforms, and Active Directory in a fast-paced technical setting.

Job Responsibility:

  • Administer and maintain network infrastructure, including Cisco routers, switching environments, and LAN connectivity to support daily operations
  • Monitor network performance, identify connectivity issues, and resolve disruptions to maintain consistent system availability
  • Configure, manage, and optimize firewall technologies to protect systems and enforce network security standards
  • Support user and system access by maintaining Active Directory components related to network authentication and permissions
  • Troubleshoot hardware, software, and communication issues across the network and implement timely corrective actions
  • Perform network updates, configuration changes, and infrastructure improvements while minimizing operational downtime
  • Document network configurations, support activities, and technical procedures to maintain clear operational records

Requirements:

  • Proven experience working as a Network Administrator or in a similar infrastructure support role
  • Strong hands-on knowledge of Cisco routers, Cisco networking, and LAN environments
  • Practical experience configuring and supporting firewall technologies in a business setting
  • Working knowledge of Active Directory administration and access management
  • Ability to diagnose and resolve network issues efficiently across multiple systems and users
  • Familiarity with network documentation, maintenance processes, and operational best practices
What we offer:
  • medical
  • vision
  • dental
  • life and disability insurance
  • 401(k) plan

Additional Information:

Job Posted:
May 03, 2026

Work Type:
On-site work
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