Robert Half has an exciting opportunity for an experienced Network Administrator at a prominent company. If you are success-driven, an organized problem solver, and passionate about ensuring and maintaining a stable network infrastructure, this job may be for you. To support the business, you will ensure security, integrity and high-availability of enterprise systems and related components in order to develop, administer and maintain the network infrastructure. You will work with constantly changing software, hardware, network security programs, and data storage systems. Your dedication to ongoing education is critical to staying current and fully informed. This Network Administrator role, located in the Sacaton, Arizona, area is a permanent opportunity.Responsibilities- Organizing and executing upgrades to network software and hardware- Controlling the operation of services related to all local area networks and wide area networks, while adhering to company policies and procedures- Administering control measures for LAN/WAN security, antivirus and spam- Troubleshooting and resolving issues regarding local area networks / wide area network, including performance and connectivity problems