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We are seeking an experienced Unified Communications professional to deliver expert-level support for enterprise-grade Voice over IP and Unified Communications services. The individual will ensure high availability, optimal performance, and end‑to‑end incident resolution across customer environments. This role involves managing complex technical issues, validating critical service changes, supporting service ramp-up activities, executing health checks, and contributing to continuous improvement of monitoring, automation, and operational efficiency.
Job Responsibility:
Deliver expert end‑to‑end technical support for Unified Communications services
Provide inputs for planning, assessment, implementation, rollout, and complex change preparation
Validate service-impacting changes executed by second-line teams
Resolve technical issues raised by external customers within defined service levels
Guide customer technical teams on resolving service-impacting incidents
Conduct and enhance monitoring using scripting and existing tools
Build knowledge within the team and support continuous service improvements
Manage technical service ramp-up including installation, configuration, and coordination of setup tasks
Set and manage service expectations with customers and internal stakeholders
Build sustainable relationships with internal and external partners to maintain SLA compliance
Define, execute, and close proactive health checks for Unified Communications systems
Participate in technical audits and close identified gaps
Perform incident, problem, and root-cause management for P1/P2 issues
Requirements:
Expert-level knowledge of SBC, IP networks, and mobile networks
Strong expertise in Oracle SBC configuration, upgrades, and troubleshooting
Experience in enterprise environment operations and maintenance
Expert knowledge of SIP and RTP protocols and Oracle SBC deployment
Expertise in at least two areas: VOIP, IMS, GSM, LTE
Understanding of virtualisation and cloud computing
Experience working in a multinational environment
English proficiency at B2–C1 level
Nice to have:
knowledge of routing protocols, cloud and signalling standards