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Senior UCC / Cisco Collaboration Engineer

Kallithéa, Attiki, Greece💼 Full-time🗓 2026-06-24 → 2026-09-25

Core

Senior engineer supporting complex enterprise Unified Communications and Contact Center environments, ensuring seamless operation of large-scale communication platforms.

Role type

Senior IC UCC/Cisco Collaboration Engineer

Builds

Production voice services, contact center solutions, and telephony infrastructure for enterprise clients

Domain

Telecommunications / Unified Communications / Contact Centers

Deliverable

Production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

VoIP architecture, SIP/RTP protocols, call routing and signaling, IP Telephony, Contact Center technologies, IVR systems, complex incident troubleshooting, high-severity incident handling

Preferred skills

CCIE Collaboration certification

Technologies

Cisco Collaboration platforms, IP telephony systems, voice gateways, IVR environments

Responsibilities

Provide advanced technical support and troubleshooting for enterprise UCC solutions; Diagnose and resolve complex issues in VoIP, SIP signaling, RTP, call routing, and voice quality; Support and optimize Cisco Collaboration platforms; Troubleshoot and maintain IVR scripts and call flows; Perform root cause analysis for critical incidents; Act as escalation point for complex technical issues; Conduct remote maintenance for customer environments; Manage incidents and service requests via ticketing systems

Seniority

Senior, hands-on IC

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