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OpenSenior Systems Administrator - IT
- Location
- US-NY-Ithaca
- Last seen
- Aug 7, 2026
About the role
We are seeking an experienced Systems Administrator to own the day-to-day operation, security, and reliability of our Windows-based, hybrid-cloud IT environment. This is a hands-on senior role responsible for Active Directory and identity, Microsoft 365 / Entra ID, server and endpoint management, security hardening, monitoring, co-managed network infrastructure, and backup/disaster recovery across a multi-site organization (~30 locations). The ideal candidate has deep Windows Server and Active Directory expertise, a security-first mindset,...
