Job Information
Robert Half Network Administrator in Phoenix, Arizona
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.
Responsibilities:
• 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. Technology Doesn't Change the World, People Do.®
Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.
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All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.
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