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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Administrator - **Company:** Robert Half - **Location:** Phoenix, AZ, United States - **Experience:** Experienced - **Contract:** Temporary contract - **Skills:** Microsoft Windows, Active Directory, Amazon Web Services, Microsoft Azure, Microsoft Online Services, Cloud Computing, CompTIA Security+, Dynamic Host Configuration Protocol, Disaster Recovery, Domain Name System (DNS), Monitoring of Systems, Hyper-V, Virtual Private Networks (VPN), Linux Servers, Windows Servers, Networking Basics, Windows PowerShell, Azure Active Directory, Microsoft SharePoint, TCP/IP, Virtualization Technology, VMware VSphere, Software Vulnerability Management, Backup and Restore, Scripting, Enterprise Software Applications, Cloud Platform System, System Availability, Software Troubleshooting, Comptia Server+, Firewalls (Computer Science), Information Technology, Network Server, Vmware - **Published:** September 20, 2026 - **Apply:** https://dejobs.org/x/x/722C878D2F5547088C64D2DC10E3854D/job/ ## About the Role * Bachelor's degree in Information Technology, Computer Science, or related field; equivalent experience considered. * 3+ years of experience in systems administration or infrastructure support. * Strong experience with Windows Server administration. * Experience supporting Active Directory, Group Policy, DNS, and DHCP. * Knowledge of Microsoft 365 administration. * Experience with virtualization technologies such as VMware or Hyper-V. * Familiarity with backup and disaster recovery solutions. * Understanding of networking fundamentals including TCP/IP, VPNs, firewalls, and switches. * Strong troubleshooting and problem-solving skills. * Excellent communication and customer service abilities., * Experience with Microsoft Azure and/or Amazon Web Services (AWS). * Experience with PowerShell or other scripting languages. * Exposure to enterprise security tools and compliance frameworks. * Experience with infrastructure monitoring and management tools. * Industry certifications such as: * Microsoft Certified: Azure Administrator Associate * Microsoft Certified: Windows Server Hybrid Administrator * CompTIA Server+ * CompTIA Security+ * VMware Certified Professional (VCP) Technology Doesn't Change the World, People Do.® ## Description We are seeking a skilled and customer-focused Systems Administrator to join a growing IT team in the Phoenix area. This professional will be responsible for the administration, maintenance, security, and optimization of the organization's IT infrastructure, including servers, operating systems, cloud environments, virtualization platforms, and enterprise applications. The ideal candidate brings strong troubleshooting abilities, a proactive mindset, and experience supporting both on-premises and cloud-based technologies., * Administer and maintain Windows and/or Linux server environments. * Manage Active Directory, Group Policy, DNS, DHCP, and Azure Active Directory/Entra ID. * Monitor system performance and ensure high availability of infrastructure and business-critical systems. * Install, configure, update, and patch servers, operating systems, and enterprise applications. * Support virtualization environments such as VMware vSphere and Microsoft Hyper-V. * Manage Microsoft 365 services, including Exchange Online, Teams, SharePoint, and OneDrive. * Assist with cloud infrastructure administration in Azure and/or AWS environments. * Perform backup, recovery, and disaster recovery planning and testing. * Troubleshoot escalated hardware, software, networking, and connectivity issues. * Maintain endpoint management solutions and deploy security updates across the environment. * Implement and enforce cybersecurity best practices, including access controls, endpoint protection, and vulnerability remediation. * Create and maintain technical documentation, system diagrams, and operational procedures. * Collaborate with help desk, network engineering, security, and business stakeholders on infrastructure initiatives. * Support IT projects including system upgrades, migrations, deployments, and cloud transformations. * Participate in on-call rotation and provide after-hours support when necessary. ## Related Videos - [Hacking MSSQL on Cloud. 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