NO H1S OR 3RD PARTIES. THIS ROLE WILL BE ONSITE 5 DAYS PER WEEK IN NYC. Fast-paced MSP has a long-term contract/likely contract-to-hire opportunity for a Senior Windows/M365 Systems Engineer. ROLE DESCRIPTION The Senior Systems Engineer is a senior-level technical consulting role responsible for architecting, implementing, securing, and supporting complex client environments. This role requires deep expertise across Microsoft 365, identity management, virtualization platforms, and enterprise inf