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# Systems Administrator

- **Company:** Dinerstein Companies
- **Location:** Houston, TX, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Cyber Security, File Systems, Distributed Systems, Windows Servers, Microsoft SharePoint, Virtualization Technology, VMware Virtualization, Information Technology, Patch Management, Hardware Infrastructure, Vmware
- **Published:** June 4, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=ace23f00ac5f0ab5

## About the Role

Do you have experience in Virtualization tools?, * 4-8 years of systems administration experience

 * Strong Microsoft 365 administration experience

 * Experience with Active Directory and Windows Server

 * VMware virtualization experience preferred

 * Experience supporting enterprise environments, * Experience managing VMware and SAN storage environments in production

 * Familiarity with hybrid IT environments (M365 + on-prem)

 * Exposure to IT security and patch management practices

 * Experience supporting distributed environments including corporate and field/construction locations, * Stable and reliable IT systems

 * Well-organized and secure M365 and SharePoint environments

 * Proactive issue resolution

 * Minimal disruption to business operations

## Description

The Dinerstein Companies (TDC) is seeking a System Administrator to support corporate offices, construction operations, and our national property portfolio. This role is responsible for maintaining and supporting a Microsoft 365-centric environment with on-premise infrastructure, including VMware virtualization and SAN storage systems. The ideal candidate is hands-on, detail-oriented, and comfortable working across both modern cloud-based platforms and traditional IT environments. This position plays a critical role in ensuring systems are stable, secure, and scalable to support ongoing company growth.

What You'll Do

 * Administer Microsoft 365 (Exchange, Teams, SharePoint, OneDrive)

 * Manage SharePoint file storage and permissions

 * Maintain Windows Servers, Active Directory, and VMware environment

 * Manage SAN storage systems and support backup and recovery

 * Troubleshoot infrastructure, systems, and M365 issues

 * Support escalated and backlog IT issues

 * Assist with system patching, hardening, and security practices

 * Collaborate on deployments, projects, and documentation


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