> Markdown version of [/jobs/ext/1928858-senior-system-administrator-onsite-in-mesa](https://www.wearedevelopers.com/jobs/ext/1928858-senior-system-administrator-onsite-in-mesa). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior System Administrator / Onsite in Mesa - **Company:** Kelly Services Inc. - **Location:** Mesa, AZ, United States - **Experience:** Expert - **Salary:** $80,000.0 - $120,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Access, Microsoft Windows, Active Directory, Microsoft Azure, Data Security, Dynamic Host Configuration Protocol, Domain Name System (DNS), Hyper-V, Identity and Access Management, Virtual Private Networks (VPN), Virtual Desktops, Routing, Performance Tuning, Windows PowerShell, Azure Active Directory, Microsoft SharePoint, Security Information and Event Management, Virtualization Technology, VMware VSphere, Software Vulnerability Management, Backup and Restore, Software Troubleshooting, HybridCloud, Firewalls (Computer Science), Microsoft InTune, Microsoft Onedrive, Deployment Automation, Hardware Infrastructure, SQL Server Management Studio (SSMS), Veeam, Cisco, Vmware - **Published:** August 5, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3341874916&tx=ZT212TYI&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * 5+ years administering Microsoft 365 environments including Exchange Online, Teams, SharePoint Online, OneDrive, and Microsoft Entra ID * Experience supporting Microsoft 365 GCC High environments * Strong Azure administration experience across compute, networking, storage, and infrastructure services * Expertise with Microsoft Entra ID, Active Directory, Group Policy, Conditional Access, and identity management * PowerShell scripting and automation experience * Experience with Microsoft Intune, Autopilot, and endpoint management * VMware vSphere and/or Microsoft Hyper-V administration experience * Knowledge of backup and disaster recovery solutions, ideally Veeam Backup & Replication * Strong networking fundamentals including DNS, DHCP, VPNs, firewalls, routing, and switching * Experience supporting hybrid cloud and on-premises infrastructure environments * Strong troubleshooting, problem-solving, and root cause analysis skills * Excellent communication skills with both technical and business stakeholders Desired Skills & Experience * Microsoft Certified: Azure Administrator Associate * Microsoft 365 Enterprise Administrator certification * Microsoft Identity and Access Administrator certification * VMware Certified Professional (VCP) * Veeam Certified Engineer (VMCE) * Experience with Microsoft Defender, Purview, DLP, Information Protection, and eDiscovery * Experience with Cisco technologies including UCS, Meraki, ISE, and Secure Access * Exposure to Azure Virtual Desktop solutions * Experience with SQL Server administration and performance tuning * Familiarity with SIEM and vulnerability management platforms * Experience supporting CMMC Level 2, NIST 800-171, and DoD compliance requirements * Prior experience within regulated government contracting, aerospace, defense, or manufacturing environments, Applicants must be currently authorized to work in the US on a full-time basis now and in the future. ## Description * 40% Microsoft 365 GCC High / Security & Compliance * 30% Microsoft Azure & Hybrid Cloud Infrastructure * 15% Virtualization, Storage, Backup & Disaster Recovery * 15% Identity, Networking & Automation Daily Responsibilities * 75% Hands On * 5% Management Duties * 20% Team Collaboration ## Related Videos - [Develop enterprise-ready applications for Microsoft Teams with Azure resources on modern web technologies](https://www.wearedevelopers.com/videos/187-develop-enterprise-ready-applications-for-microsoft-teams-with-azure-resources-on-modern-web-technologies) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) - [Hacking MSSQL on Cloud. 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