Senior Systems Administrator

Texas Children's Hospital
Houston, United States of America
2 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Houston, United States of America

Tech stack

Microsoft Active Directory
Dynamic Host Configuration Protocol
DNS
Hyper-V
Windows Server
Powershell
Server Virtualization
Virtualization Technology
Information Technology
CIS Benchmarks
VMware

Job description

  • Administers enterprise Windows Server environments, including installation, configuration, upgrades, and maintenance.
  • Manages Active Directory integration, Group Policy, DNS, DHCP, certificate services, and related infrastructure components.
  • Performs operating system troubleshooting and root cause analysis for server-related issues.
  • Maintains server security baselines and implements hardening standards in accordance with organizational policies.
  • Supports server lifecycle management, including build, deployment, upgrades, and decommissioning activities.
  • Plans, coordinates, and implements operating system and infrastructure patching activities.
  • Reviews vulnerability reports and remediates security findings within established service level requirements.
  • Validates patch deployments and ensures compliance with organizational security standards.
  • Works with application owners to coordinate maintenance windows and minimize operational impact.
  • Documents patching activities and provides compliance reporting to management.
  • Administers enterprise compute infrastructure, including physical and virtual server platforms.
  • Manages VMware, Hyper-V, or other virtualization technologies.
  • Monitors and optimizes CPU, memory, storage, and network resource utilization.
  • Performs capacity planning and recommends infrastructure upgrades.
  • Supports provisioning, migration, and optimization of virtual and physical workloads.
  • Identifies and resolves performance bottlenecks impacting infrastructure services.
  • Develops PowerShell and other automation scripts to streamline operational tasks.
  • Implements automated monitoring, reporting, and remediation capabilities.
  • Maintains operational documentation, standards, and procedures.
  • Participates in on-call support and incident response activities for critical infrastructure systems.

Requirements

  • Required H.S. Diploma or GED with a preferred bachelor's degree in computer science
  • A bachelor's degree will substitute for 4 years of experience
  • Required 7 years' experience in administration of enterprise-level systems

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