Senior Integration Engineer / 1

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Additional Information

As a Senior Integration Engineer (BSS-Core) in Mobile Network Engineering, you will be responsible for: Act as interface between BSS business/operations and technical teams. Translate business and functional requirements into clear technical requirements and Change Requests (CRs) for vendor engineering teams. Analyze customer-observed issues and network anomalies and identify error patterns (e.g., CDR inconsistencies, provisioning issues). Support end-to-end defect triage and resolution across BSS, Core, and vendor organizations. Drive issue clarification, prioritization, and tracking within TT/PT and defect management processes. Validate and verify vendor solutions (e.g., Rakuten, Mavenir), including challenging proposed fixes where required. Assess end-to-end impact of vendor changes across BSS, Core, and service behavior. Perform log, trace, and protocol analysis (e.g., PCAP, KPIs) to identify anomalies. Contribute to root cause analysis (RCA) for complex, cross-domain issues. Ensure end-to-end understanding of service flows and dependencies between BSS, Core (4G/5G), and RAN components. Support and improve observability and troubleshooting concepts across domains. Strong understanding of telecom system architecture. BSS systems (charging, provisioning, APIs). 4G/5G Core network functions and integrations. Solid knowledge of 3GPP standards and telecom protocols. Experience with log, trace, and signaling analysis (e.g., PCAP, Diameter, HTTP/REST APIs). Hands-on experience in troubleshooting and defect analysis in complex distributed systems. Experience working in multi-vendor telecom environments. Strong analytical and problem-solving skills. Ability to translate between business requirements and deep technical implementations. Hybrid work: three times a week from one of our offices in Warsaw, Poznań or Lublin. We hereby inform you that Inetum Polska sp. z o.o. has implemented an internal reporting (whistleblowing) procedure. The content of the procedure and the possibility to submit an internal report are available at: https://inetum.whispli.com/speakup?locale=pl

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