Collects payments on past-due invoices, researches and resolves payment discrepancies, manages customer disputes, recommends invoice adjustments, communicates with customers and internal teams, and reports account actions to management.

Supports daily administration, maintenance, monitoring, patching, troubleshooting, and documentation for Windows servers, cloud services, endpoints, identity systems, virtualization, backups, and networks. Administers Microsoft 365, Intune, Active Directory, Entra ID, Hyper-V, and Veeam with senior-team guidance. Resolves escalated infrastructure tickets, assists with projects and upgrades, follows security and change-management practices, and participates in after-hours maintenance or on-call support.