Senior IT Infrastructure Administrator
Listed on 2026-07-08
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IT/Tech
Windows Server, Systems Administrator, IT Infrastructure, Cloud Computing: Infrastructure & Operations
We're hiring a Senior IT Infrastructure Administrator to lead and support a modern Windows infrastructure across both on-premises and cloud environments. This is a senior-level, Tier 3 role responsible for designing, maintaining, and optimizing enterprise systems while driving automation, security, and infrastructure improvements. You'll work with Windows Server, Active Directory, Azure/Entra , virtualization, Power Shell, and enterprise management tools to ensure a secure, highly available environment.
Responsibilities- Design, administer, and support enterprise Windows Server environments (2016/2019/2022/2025)
- Manage Active Directory, Azure/Entra , Group Policy, DNS, DHCP, DFS, and NTFS
- Support and optimize Hyper-V virtualization infrastructure
- Develop Power Shell automation to improve efficiency and reduce manual work
- Lead enterprise patch management using Tanium
- Manage SCCM deployments and endpoint administration
- Monitor infrastructure health using enterprise monitoring tools
- Troubleshoot complex Tier 3 infrastructure issues and perform root cause analysis
- Participate in infrastructure architecture, upgrades, and technology planning
- Collaborate with security, engineering, and global IT teams
- Create documentation, technical standards, and mentor junior team members
- Bachelor's Degree in IT (or equivalent experience)
- 7+ years of Windows Systems Administration or Infrastructure experience
- Strong Active Directory administration experience
- Experience with Azure/Entra
- Advanced Power Shell scripting
- Experience with enterprise patch management (Tanium or similar)
- Expert-level troubleshooting of Windows infrastructure
- SCCM Administration
- Citrix
- Net Scaler
- Whats Up Gold
- Delinea (Privileged Access Management)
- Lansweeper
- Hybrid Infrastructure
You enjoy solving complex infrastructure problems, automating repetitive tasks, improving security, and helping build scalable enterprise environments. You're comfortable serving as the technical expert and leading infrastructure initiatives.
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