Systems Administrator - Windows Server, VMware & Cloud Ops

Prosperity Bank

Houston (TX)

On-site

USD 85,000 - 110,000

Full time

6 days ago

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Job summary

Prosperity Bank seeks a Systems Administrator to support enterprise server, virtualization, storage, messaging, and cloud-connected infrastructure across Houston, South Padre, or Victoria. You will perform day-to-day administration, monitoring, troubleshooting, maintenance, documentation, and project support while delivering responsive service to business users and technology partners.

The role emphasizes managing Windows Server environments, Active Directory, Exchange/365 hybrid services,

Qualifications

3+ years of enterprise Windows Server and systems administration experience.
3+ years supporting Active Directory and core Microsoft infrastructure services (DNS, DHCP, Group Policy, DFS, and file services).
2+ years supporting server virtualization technologies such as VMware vSphere or equivalent.
2+ years supporting enterprise backup, recovery, monitoring, patching, and endpoint management technologies.
1+ year supporting Microsoft Exchange, Microsoft 365, or hybrid messaging services.
Experience using PowerShell for routine administration and basic automation.
Experience documenting system configurations, changes, troubleshooting steps, and support procedures.

Responsibilities

Administer and support Windows Server environments, AD, DNS, DHCP, DFS, and related services.
Monitor server, virtualization, storage, backup, messaging, and infrastructure health.
Plan preventive maintenance, patching, upgrades, and vulnerability remediation.
Use PowerShell and other approved tools to automate repeatable tasks.
Create and maintain system documentation and change records.
Participate in Disaster Recovery and Business Continuity planning.