Lead System Administrator

Job Summary
We are looking for a System Administrator to manage and support our day-to-day infrastructure and cloud services. You will maintain Microsoft 365, Windows Server environments, and web hosting (IIS), while also supporting basic cloud workloads in Azure and AWS. You should be comfortable with troubleshooting, deployments, and improving reliability and security.
Key Responsibilities
Administer and support Microsoft 365 / Exchange Online (users, groups, mail flow, licensing, policies)
Manage Windows Server environments (AD basics, DNS, DHCP, certificates, file sharing, permissions)
Maintain and troubleshoot IIS-hosted websites/apps (bindings, SSL certs, app pools, logs, deployments)
Support Azure resources (App Services, VMs, Storage, Networking basics, monitoring, RBAC)
Support AWS basics (EC2, security groups, IAM basics, monitoring/logs)
Provide basic Linux (Ubuntu) server support (SSH access, file permissions, services, log review, basic troubleshoot...