Description Robert Half has an exciting opportunity for an experienced Network System Engineer 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 Administration focused 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 + Designs, analyzes, maintains, and implements LAN/WAN equipment, network and telephony infrastructure, including maintenance of security measures and solutions. + Performs administration on all supported networks, systems, platforms and data storage/SAN. + Administers Cisco networking, UCS, telephony, email security and firewall solutions. + Administers virtualization solutions, such as VMware ESXi and Citrix VDI. + Administers hyper-converged infrastructure solutions, such as Nutanix. + Provides the highest level of administration and knowledge on Active Directory, Group Policy, Windows Server, Exchange, Microsoft SQL installation and configuration, as well as PowerShell and like scripting methodologies. + Troubleshooting and resolving issues regarding local area networks / wide area network, including performance and connectivity problems Requirements + Skilled in troubleshooting, analytics and diagnostics + 5+ years of related experience + Solid understanding of Microsoft SQL + Strong familiarity with Group Policy + Expertise in PowerShell + Expertise in network protocols, software and hardware involved in LAN/WAN operations + Understanding of production environments and being on-call 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. Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more. 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. © 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s Terms of Use (https://www.roberthalf.com/us/en/terms) .