Senior System Administrator

We are seeking a highly skilled Senior Systems Administrator to join our team. In this pivotal role, you will be responsible for maintaining our on-premises, multi-tenant Exchange Server 2013 environment and leading the transition to Microsoft Cloud. You will manage our ESXi infrastructure, enforce robust firewall configurations, and administer Linux server environments. The ideal candidate is a strategic thinker and proactive problem-solver with extensive technical expertise in both on-premises and cloud-based systems.