About the Role:

iPivot is looking for an experienced Senior Voice / Collaboration Engineer with strong hands-on expertise in Cisco Collaboration technologies, enterprise telephony, voice migrations, and SIP-based integrations. The candidate will be responsible for configuring and troubleshooting Cisco voice infrastructure, executing site-level migrations, and ensuring reliable enterprise communication services.

Key Responsibilities:

- Configure and administer Cisco Unified Communications Manager (CUCM), including Publisher/Subscriber, device pools, partitions, Calling Search Spaces (CSS), route patterns, and dial plans.

- Manage Cisco Unity Connection, voice gateways, Cisco CUBE, and enterprise IP telephony infrastructure.

- Configure and troubleshoot SIP trunks, dial peers, codecs, DTMF, RTP/SRTP, TLS, and carrier connectivity.

- Manage PSTN services, Direct Inward Dialing (DID), toll-free numbers, number porting, and inbound/outbound call routing.

- Migrate Cisco IP phones, softphones, conferencing devices, voicemail, auto attendants, hunt groups, and analog endpoints.

- Support Five9/contact-center integrations and validate end-to-end call flows.

- Troubleshoot voice network dependencies, including VLANs, DHCP, DNS, NTP, QoS, and gateway connectivity.

- Execute site-wise voice migrations, cutovers, rollback procedures, voice testing, and post-migration support.

- Coordinate with telecom carriers, clients, and internal technical teams to resolve connectivity and service issues.

- Prepare implementation runbooks, test scripts, configuration documentation, and operational handover documents.

Mandatory Technical Skills:

- Cisco Unified Communications Manager (CUCM) - Publisher/Subscriber Administration.

- Cisco Unity Connection.

- Cisco CUBE, SIP trunks, and voice gateways.

- PSTN integration, DID migration, number porting, and carrier coordination.

- Cisco IP phones, dial plans, and call routing.

- Enterprise voice migration and cutover execution.

- Voice troubleshooting and client-facing stakeholder communication.

Mandatory Certification:

Candidates must hold at least one relevant Cisco Collaboration certification:

- 1. Cisco Certified Specialist - Collaboration Core (350-801 CLCOR).

- 2. CCNP Collaboration.

- 3. CCIE Collaboration.

Preferred Skills:

- CLACC or CLHCT certification.

- Enterprise voice migration and large-scale telephony deployment experience.

- Experience with contact-center integrations and carrier connectivity.

- Strong knowledge of voice quality, call-flow validation, and production troubleshooting.

Ideal Candidate:

A senior Cisco Collaboration engineer with deep hands-on experience in enterprise voice infrastructure, SIP/PSTN connectivity, Cisco CUCM, and migration execution. The candidate should be comfortable handling client calls, coordinating technical stakeholders, and managing complex implementation and cutover activities.

Employment Type: Full-Time

Qualification: Any Graduate / Postgraduate / Diploma

Client Interaction: Yes - Client Calls & Stakeholder Coordination