Sr Technical Lead (Support & Operations)
About this role
Job Summary
Job Summary : M365 - Enterprise Telephony (Cisco + MS+ Unify)
Key Responsibilities
Job Responsibilities : Administer and support Microsoft Teams Phone, Direct Routing, Operator Connect, and Calling Plans. Manage Cisco Unified Communications Manager (CUCM), Unity Connection, and Cisco voice infrastructure. Support Unify OpenScape Voice and UC solutions. Configure SIP trunks, dial plans, call routing, hunt groups, auto attendants, and call queues. Perform user onboarding, telephony provisioning, MACD (Move, Add, Change, Delete) activities. Troubleshoot voice quality, call connectivity, PSTN, and VoIP-related issues. Monitor telephony services and ensure adherence to SLAs. Support enterprise migrations from legacy telephony systems to Microsoft Teams Voice. Handle incident, problem, and change management activities through ServiceNow. Work with telecom carriers and vendors for circuit provisioning and issue resolution. Prepare operational documentation, RCA reports, and knowledge articles. Support executive/VIP users and business-critical communication services
Skill Requirements
Skill Requirement : Microsoft Teams Telephony Teams Phone System Direct Routing & SBC Management Cisco CUCM Cisco Unity Connection Cisco UCCX / Contact Center Basics Unify OpenScape Voice SIP, VoIP, PSTN Call Manager Administration Telephony Troubleshooting ServiceNow ITIL Processes Network Fundamentals (TCP/IP, DNS, DHCP, QoS)
Other Requirements
Other Requirement : Audiocodes Ribbon SBC Microsoft 365 Administration Cisco Webex Calling PowerShell for M365 Administration Voice Migration Projects Contact Center Technologies Teams Certified Devices Administration
Frequently Asked Questions
Is the salary disclosed for the Sr Technical Lead (Support & Operations) position at HCLTech?
The salary for this Sr Technical Lead (Support & Operations) role at HCLTech is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Sr Technical Lead (Support & Operations) position at HCLTech located?
This Sr Technical Lead (Support & Operations) role at HCLTech is based in Chennai, India. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
How do I apply for the Sr Technical Lead (Support & Operations) position at HCLTech?
Click the "Apply Now" button on this page. You will be redirected to HCLTech's official application portal hosted on successfactors where you can submit your application directly.
When was the Sr Technical Lead (Support & Operations) job at HCLTech posted?
This Sr Technical Lead (Support & Operations) position at HCLTech was posted on Sep 29, 2026. Apply as soon as possible — early applications are often reviewed first.
Sr Technical Lead (Support & Operations)
HCLTech
You'll be redirected to HCLTech's official application page on successfactors.