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Phone Engineer and Support

Posted January 23, 2026
Full-time Mid-Senior Level

Job Overview

Domain Activity 1 – In-Service Support (MCO)

Missions

  • Monitor all activities and requests related to the telephony scope (Cisco CUCM and Teams Telephony).
  • Ensure stability, operation, and quality of the IT system infrastructures and applications supporting the CCM platforms, guaranteeing their availability whenever and wherever required.
  • Implement technical solutions in compliance with business-driven deadlines, as well as the company’s strategy and security policies.
  • Provide second-level support for system issues reported by the Service Desk (ticket management).
  • Monitor all telephony system infrastructures and plan ongoing developments in coordination with service providers.
  • Diagnose and resolve incidents using system administration and performance monitoring tools.
  • Work in close collaboration with other technical and business teams.
  • Maintain and update documentation for system policies, technical specifications, and operating procedures.
  • Participate in the 24/7 out-of-hours support rota with other members of the UC team to ensure continuity of service for the Genesys Cloud contact center application.
  • Manage Genesys Cloud administration tasks, including CLI operations, in coordination with Orange (service provider).

Autonomy / Latitude

  • Fully autonomous in managing daily tasks and tickets.

Domain Activity 2 – Continuous Improvement and Projects

Missions

  • Contribute to the strategy and definition of telecom resources required by the company’s applications.
  • Address technical debt by proposing and implementing innovative solutions.
  • Conduct a preliminary audit in preparation for migrating the Cisco CUCM telephony environment to Microsoft Teams Telephony.

Deliverables

  • Complete audit report: findings, improvement opportunities, and architecture diagrams.
  • Plan for the decommissioning of copper lines.
  • Technical specifications for the migration to Teams.
  • Detailed migration schedule for all sites.
  • Project budget estimate.
  • Multi-country perspective: international coordination, with all documentation and meetings conducted in English (French is a plus).

Autonomy / Latitude

  • Shared autonomy with the manager, depending on the project scope.

Domain Activity 3 – Third-Party Management and Contract Follow-Up

Missions

  • Monitor various contracts (SLAs, support agreements, renewals, and key dates).
  • Build and maintain strong relationships with partners (telecom providers, maintenance vendors).
  • Collaborate with the procurement team to assess and challenge current suppliers.

Autonomy / Latitude

  • Autonomous in day-to-day operations.
  • Shared responsibility with management and procurement for contract renewals and new agreements.

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