Please submit a cover letter. Experienced IT Administrator Position Summary: We are looking for an experienced Sr. IT Administrator (5+ Years as an IT Administrator or IT Consultant) to join our MSP Solutions Team to design, deploy, and maintain client servers, computer systems and network infrastructure. In addition to a broad knowledge of computer software, internet applications, networks and operating systems it would be highly beneficial if you had hands-on experience with Citrix XenDesktop administration to help support our growing number of Citrix clients. Our goal is to build and maintain updated and efficient computer networks to optimize the role of IT within our clients' businesses. You will be working in tandem with account managers, business solutions technicians, and field technicians to support diverse client environments ranging from 5 to 500 users. As a Citrix XenDesktop specialist you will also provide input and direction to other team members to help them propose and implement Citrix solutions. Responsibilities: * Monitor client networks, servers, workstations and network infrastructure * Proactively maintain servers, computers and necessary peripheral devices, including printers, scanners, etc. * Manage, troubleshoot and configure switches, access points, routers, firewalls and other network infrastructure devices * Install and configure software according to industry best practices * Develop and maintain networks in ways that optimize performance * Ensure security and privacy of networks and computer systems * Provide orientation and guidance to users on how to operate new software and computer equipment * Organize and schedule upgrades and maintenance * Perform troubleshooting to diagnose and resolve problems * Maintain records/logs of maintenance, repairs and fixes * Identify computer or network equipment for replacement, upgrade or decommissioning * Maintain managed services infrastructure, monitoring tools and systems * Provide reporting for client sites and make recommendations to help better their IT environment Requirements: * Experience with design, installation and configuration of Citrix XenDesktop and Citrix XenApp solutions * Hands-on knowledge of virtualization, using VMware and/or Citrix XenServer * Experience with design, configuration and deployment of Active Directory Domains, Policies, trust relationships * Experience with design, configuration and migration of Microsoft Exchange Solutions * Excellent diagnostic and problem solving skills * Excellent interpersonal skills, within a team and with customers * Outstanding organizational and time-management skills * In depth understanding of diverse computer systems and networks * Good knowledge of internet security and data privacy principles * Industry certifications will be a distinct advantage (e.g. Citrix, Cisco, VMware, Microsoft) * Experience with telephony technologies will be an asset Job Type: Full-time Job Location: * Predominantly serving Manage Services Customers in the Greater Toronto, Hamilton / Kitchener / Waterloo / Cambridge areas. NAS' head office is located in Hamilton, Ontario, home base for this role. This position will also involve regular travel to these areas and flexible hours of work to perform off-hour maintenance.