Telecom Mediation System Expert

About the role

We are looking for an experienced Mediation System Expert to lead the design, development, and optimisation of mediation solutions in a telecom environment. The role involves end‑to‑end mediation flow creation, custom development, and integration with downstream BSS/OSS systems, ensuring high performance and data accuracy.

Key responsibilities

• Design end‑to‑end mediation flows for CDR/EDR collection, processing, enrichment and distribution.
• Define mediation architecture, interfaces and data models aligned with business and network requirements.
• Configure decoders, parsers, workflows, filters, aggregations and enrichments.
• Implement custom scripts, rules and adapters for complex use cases.
• Optimise mediation jobs for throughput, latency and error handling.
• Troubleshoot mediation failures, data loss, duplication and performance bottlenecks.
• Support design and development of mediation workflows, interfaces and integrations.
• Collaborate with network, billing, IT operations and business teams.
• Participate in unit, integration, UAT and production testing.
• Assist with service launches, upgrades and migrations.

Required profile

• Engineering degree (IT, Electronics or Telecommunications) or equivalent.
• Strong mobile telecommunications knowledge and experience with multi‑vendor telecom equipment.
• Hands‑on experience with Ericsson Multi Mediation (EMM) – online and offline.
• Knowledge of IP networking protocols such as Diameter, TCP/IP, SOAP, USSD and HTTP.
• Experience with Linux OS and virtualised infrastructure.
• Professional English proficiency and excellent communication skills.
• Project management capability and ability to work under high‑pressure operational conditions.

Required skills

• Ericsson Multi Mediation (EMM) – online & offline
• Diameter protocol
• TCP/IP
• SOAP
• USSD
• HTTP
• Linux operating system
• Virtualised infrastructure