Senior System Administrator / Onsite in Mesa

A well-established engineering and manufacturing organization in the Phoenix, AZ area is seeking a Senior Systems Administrator / Microsoft Cloud Engineer for a full-time position. This role is focused on designing, securing, and supporting a complex hybrid infrastructure environment spanning Microsoft 365 GCC High, Microsoft Azure, enterprise virtualization platforms, identity management, and on-premises data center technologies. If you're looking for a role where you can influence enterprise architecture rather than simply maintain systems, this is an excellent opportunity. The organization is actively investing in infrastructure modernization, cloud adoption, cybersecurity, and compliance initiatives. You'll work across Microsoft cloud platforms, virtualization, storage, networking, security, and automation while helping shape the future state of a mission-critical environment. The position also offers a unique four-day workweek, providing a strong work-life balance while remaining deeply involved in strategic technology initiatives. Required Skills & Experience 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 What You Will Be Doing Tech Breakdown 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 The Offer Bonus eligible You Will Receive The Following Benefits Medical, Dental, and Vision Insurance Generous Paid Time Off and Holiday Pay 401(k) Health Savings Account (HSA) Employee Assistance Program Four-Day Work Week (Monday-Thursday) Applicants must be currently authorized to work in the US on a full-time basis now and in the future. Posted By: Jordan Carbonell

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