Mitel

Senior Technical Support Specialist

Mitel

full-time

Posted on:

Location Type: Remote

Location: Brazil

Visit company website

Explore more

✨ AI Apply
Apply

Job Level

Senior

Tech Stack

SOAPSQLVoIP

About the role

  • Provide Tier 3 support for a multi-component UC/web application platform (Windows Services, IIS Web Apps, SQL databases, directory integrations).
  • 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.

Requirements

  • Strong background in Windows Server administration (services, event logs, registry, performance tools).
  • Experience with IIS web applications, including HTTPS configuration, authentication methods, and application pools.
  • Familiarity with Web Services APIs (REST, SOAP, WCF) and debugging tools such as Fiddler or Postman.
  • Working knowledge of SQL Server (basic queries, troubleshooting, backups, DB connectivity).
  • Experience integrating with Active Directory, LDAP, and identity/authentication services.
  • Understanding of Exchange / Office 365 / Google calendar APIs or any enterprise calendar integration.
  • Knowledge of PBX / VoIP / SIP concepts (experience with any UC platform: Cisco, Mitel, Avaya, Teams, etc.).
  • Ability to script in PowerShell (preferred) or similar scripting languages.
Benefits
  • Mitel is committed to achieving workforce diversity and creating an inclusive working environment. Diversity makes sense for us, for our customers and for our future. We value different perspectives, skills and experiences, and welcome applications from all sections of the community.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
Windows Server administrationIIS web applicationsWeb Services APIsSQL ServerActive DirectoryLDAPExchangeOffice 365Google Calendar APIsPowerShell
Soft Skills
troubleshootingcollaborationdiagnosticsautomation