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Robert Half Logo Robert Half · IT - Administration

Senior Systems Administrator

United States, Birmingham · Job Posted June 15, 2026
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Job Description

We are looking for a Senior Systems Administrator to support and enhance enterprise infrastructure in Birmingham, Alabama. This role is ideal for a hands-on, detail-oriented individual who brings deep experience with virtualized environments, Windows-based systems, and high-touch technical support for business-critical operations. The position will focus on maintaining reliable server performance, strengthening system availability, and resolving complex infrastructure issues across production environments.

Job Responsibility

  • Administer and maintain virtual server environments, including VMware and Hyper-V platforms, to ensure stable and efficient operations
  • Oversee Windows Server infrastructure by handling configuration, performance monitoring, patching, and ongoing system maintenance
  • Provide advanced technical support as an escalation resource for complex system and desktop-related issues across the organization
  • Install, configure, and troubleshoot Windows services and core enterprise applications in production settings
  • Develop, test, and support disaster recovery procedures to improve resilience and minimize operational disruption
  • Manage Active Directory, Azure Active Directory, and Group Policy settings to support secure and effective user and system administration
  • Use PowerShell and other automation methods to streamline routine administrative tasks and improve operational consistency
  • Partner with IT teams to optimize infrastructure performance, address recurring issues, and support broader enterprise technology needs

Requirements

  • At least 5 years of experience in systems administration or infrastructure support within enterprise environments
  • Strong hands-on experience with VMware virtualization, Windows Server administration, and server lifecycle support
  • Working knowledge of Hyper-V and the management of virtualized production systems
  • Experience administering Active Directory, Azure Active Directory, and Group Policy in a business environment
  • Proficiency with PowerShell scripting for automation, maintenance, or troubleshooting tasks
  • Solid understanding of Microsoft Windows operating systems, including Windows 10
  • Foundational networking knowledge with the ability to diagnose connectivity and infrastructure-related issues
  • Proven ability to deliver attentive, high-touch technical support and resolve escalated technical problems effectively

What we offer

  • medical
  • vision
  • dental
  • life and disability insurance
  • 401(k) plan
  • free online training
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