Senior Systems Administrator

Senior Systems Administrator Robert Half - 3.9 Birmingham, AL Job Details $115,000 - $140,000 a year 18 hours ago Benefits Disability insurance Dental insurance 401(k) Vision insurance Qualifications Cloud identity and access management (IAM) Network troubleshooting IT user and group management GPO 5 years Enterprise software IT system monitoring Operating system updates Software installation Enterprise software support Hyper-V System maintenance Patch management Desktop (troubleshooting support) Computer management Azure AD Contingency planning Server virtualization Managing IT infrastructure IP networking Senior level Desktop administration Server management automation Escalation handling Automation tools PowerShell Shell Scripting Production troubleshooting System performance monitoring IT disaster recovery planning Full 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.

Responsibilities:

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. 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. Technology Doesn't Change the World, People Do. ® Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles. Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app and get 1-tap apply, notifications of AI-matched jobs, and much more. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information. © 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking "," you're agreeing to Robert Half's Terms of Use and Privacy Notice .