Technical Support Specialist

We are seeking a Senior Unified Communications & Systems Specialist to support and enhance our Contact Center portfolio. Specific Mitel Contact Center experience is not mandatory — we are looking for engineers with experience in enterprise applications, Windows server environments, integrations, and Unified Communications (UC) infrastructures who can quickly learn and master the Mitel Contact Center ecosystem.

This role is a Tier 3 escalation point responsible for troubleshooting complex issues, supporting integrations with Active Directory, calendars (Exchange/Office 365/Google), web services, and optimizing a multi-tiered Windows/IIS/SQL-based application stack.

Responsibilitie

• .Troubleshoot complex issues across web services, authentication, AD sync processes, calendar APIs, and UC presence data
• .Support integrations with Active Directory, Exchange/Office 365/Google Calendar APIs, PBX/telephony systems, and LDAP directories
• .Maintain and enhance Windows-based services, including WCF service bindings, IIS configuration, certificates, and application logs
• .Perform advanced diagnostics using SQL queries, Windows Event Logs, service logs, and network traces
• .Assist with deployment and configuration of application components across intranet/DMZ environments
• .Develop scripts (e.g., PowerShell) to automate monitoring, maintenance, and system health checks
• .Collaborate with infrastructure, networking, and UC teams to ensure uptime, reliability, and seamless integrations

Requiremen

• tsStrong background in Windows Server administration (services, event logs, registry, performance tools
• ).Experience with IIS web applications, including HTTPS configuration, authentication methods, and application pool
• s.Familiarity with Web Services APIs (REST, SOAP, WCF) and debugging tools such as Fiddler or Postma
• n.Working knowledge of SQL Server (basic queries, troubleshooting, backups, DB connectivity
• s.Understanding of Exchange / Office 365 / Google calendar APIs or any enterprise calendar integratio
• n.Knowledge of PBX / VoIP / SIP concepts (experience with any UC platform: Cisco, Mitel, Avaya, Teams, etc.

Soft Skil

• lsStrong troubleshooting and root-cause analysis abilitie
• s.Ability to own escalations, communicate clearly with stakeholders, and work cross-functionall
• y.Adaptable, quick learner, capable of mastering Contact Center components and architecture rapid