: Senior Voice / Collaboration Engineer

Notice Period: Immediately to 15 days

Experience: 8+ Years

Location: Bangalore

Role Summary

Senior hands-on engineer responsible for implementation, migration and cutover of the local Cisco voice setting. The role requires deep experience with CUCM, SIP/CUBE, PSTN services, endpoint migration, carrier coordination and site-level voice dependencies.

Primary Focus

Local CUCM, SIP/PSTN, CUBE, Unity and site voice migration.

Required Technical Skills

1. Cisco Collaboration

CUCM Publisher/Subscriber, Cisco Unity Connection, Cisco IP Phones, device pools, regions, locations, partitions, CSS, route patterns, route lists/groups, translation patterns and SRST concepts.
1. SIP / CUBE

SIP trunks, dial peers, SIP profiles/normalization, DTMF, codec negotiation, RTP/SRTP, TLS, media flow and carrier integration.
1. PSTN / Numbering

PSTN services, DIDs, toll-free numbers, number porting, inbound/outbound calls and carrier coordination.




1. Network Dependencies

Voice VLANs, DHCP, DNS, NTP, QoS, gateway connectivity, routing and packet troubleshooting.
1. Contact Center / Legacy Voice

Five9 integration, analog gateways/lines, fax, paging/PA and site-specific telephony dependencies.
1. Migration & Cutover

Site migration planning, cutover execution, rollback, testing, hypercare and as-built documentation.

Certification Requirements

Mandatory: Cisco voice/collaboration certification required. Acceptable senior credentials include:

- Cisco Certified Specialist – Collaboration Core (350-801 CLCOR)
- CCNP Collaboration
- CCIE Collaboration

Preferred / Advantageous: Relevant Collaboration concentration credentials such as CLACC/CLHCT and prior enterprise voice migration experience.

📌 Senior Voice / Collaboration Engineer (Bangalore Metropolitan Area)
🏢 Teamware Solutions
📍 Bangalore Metropolitan Area