Sr Windows Systems Administrator

Job Description We're seeking a Senior System Administrator to own and evolve a hybrid infrastructure environment (on‑prem plus Azure). This is a hands‑on senior role with a clear runway into a Team Lead position as the environment and team continue to mature. This person will take ownership of day‑to‑day infrastructure stability while driving improvement initiatives focused on simplification, consolidation, and bringing systems in‑house.

Responsibilities:

• Own and support the full infrastructure stack across systems, virtualization, storage, backup, and core networking/security.
• Administer Windows Server environments, including Active Directory, GPOs, DNS/DHCP, and identity services.
• Support Hyper‑V and/or VMware platforms, including performance troubleshooting and capacity planning.
• Manage storage and data protection using NetApp and Veeam.
• Support endpoint management for Windows 11 and Apple device workflows via Apple Business Manager.
• Provide hands‑on support for networking and security components, including: Cisco switches Palo Alto firewalls SD‑WAN VPNs and Azure VPN tunnels
• Support and improve a hybrid environment (on‑prem plus Azure) with a focus on reliability and standardization.
• Participate in initiatives to consolidate tools, simplify architecture, and reduce technical sprawl.
• Help plan and execute efforts to move or bring infrastructure in‑house.
• Mentor junior team members and contribute to stronger operational practices.
• Follow disciplined change management practices, emphasizing stability and risk awareness.

Environment:

~100 servers ~50-70 TB of data

• Hybrid infrastructure (on‑prem with some Azure) We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day.

We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.

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https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements 5-10+ years of progressive experience in systems or infrastructure administration. Strong hands‑on experience with:

• Windows Server & Active Directory
• Hyper‑V and/or VMware
• NetApp
• Veeam
• Windows 11 management
• Apple Business Manager
• Working knowledge of core networking/security technologies (Cisco, Palo Alto, SD‑WAN, VPNs).
• Comfortable operating as a generalist across infrastructure and networking domains.