[Key Responsibility areas:] 1. Windows server, AD, and Microsoft Exchange 2008/2012 server maintenance and administrative work ?adhering to best practice. 2. VMware management, installation, maintenance and administrative work. 3. Act as a bridge between the technical team and PC helpdesk; 4. Responsible for Proactive monitoring of critical systems. 5. Compile reports for JSOX (weekly, monthly, quarterly) from backup systems, Remote access and physical security. 6. Troubleshoot problems in a timely and accurate fashion and provide excellent customer service to end users. 7. Manage the backup environment and provide weekly reports. 8. Other duties as assigned. Respond to an after-hours emergency page for a network, server down or other issues. 9. Assisted Tier 1 & 2 Help Desk with escalations for issues such as network/server performance, crashed file servers, or other more complicated issues. 10. Act as a technical liaison between third-party software/hardware vendors to deliver the necessary solution for the corporation. 11. Produce and maintain existing documentation and run book technical guides (e.g., admin procedures, SLAs, etc.).