Senior Integration Engineer / 1

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