Ranjan Kumar
Associate Consultant
- Role
- Associate Consultant at Tata Consultancy Services
- Location
- Hyderabad, TG, IN
- LinkedIn followers
- 500 followers
About Ranjan Kumar
Highly experienced Collaboration Engineer with 14+ years of experience delivering, operating, and optimizing Enterprise Unified Communications and Collaboration (UCC) solutions. Deep expertise across Microsoft Teams & Teams Phone, Zoom Meetings & Zoom Telephony, Cisco UC platforms, SBCs, and Voice Gateways, with strong exposure to SQL, Microsoft Copilot, and cloud-based collaboration services. Proven track record in implementation, upgrades, migrations, certificate management, change and incident management, and configuration standardization in large-scale environments.
Experience
Associate Consultant
Jun 2022 — Present · IN
Driving Zoom Meetings and Zoom Telephony deployments, including number porting, call routing,and user onboardingAdministering and supporting Cisco CUCM, Unity Connection, Expressway, Jabber, MRA, and SIPbasedintegrationsManage Cisco Voice Gateways and SBC configurations for PSTN connectivity.Execute platform upgrades, migrations, and certificate regenerations with minimal downtime.Standardized UC configurations globally, per Configuration Standard to improve reliability andreduce incidents.Provided L3 support for complex voice and video issues, performing root cause analysis andpermanent fixes.Actively participate in Change Management (CAB) and ensured ITIL compliance.Collaborate with network, security, cloud, Engineering and Cate teams for end-to-end UC solutiondelivery.
Education
Jaipur Engineering College, Jaipur
Engineer’s Degree, Computer Science
2005 — 2009
St. Xavier's SSS
High School, Mathematics / Biology
2002 — 2004
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