Expert IMS Core Tester Germany

🏢 Recruiting Company: First Point Group
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Job Location:

Germany (Onsite or Hybrid options may apply)
💼 Job Type: Contract | Full-Time
📧 Application Method: Send your CV to  or DM for details
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Note:

Immediate availability preferred

We’re looking for an Expert IMS Core Tester to join a high-profile telecom project in Germany. This role is critical for ensuring robust IMS functionality through comprehensive testing and troubleshooting in complex network environments.

As an IMS Core Tester, you will perform end-to-end testing of IMS architecture, including CSCF, HSS, UDM, and SBC components. You’ll execute both manual and automated tests (TAF), validate signaling flows, and troubleshoot integration issues. The role involves functional, load, security, and non-functional testing to guarantee high-quality VoIP and multimedia services. You’ll collaborate with engineering teams to ensure compliance with standards and deliver exceptional network performance.

• ✓ Execute manual and automated IMS test cases using TAF frameworks
• ✓ Perform functional testing of IMS components (CSCF, HSS, UDM, SBC, CFX)
• ✓ Validate SIP/Diameter signaling flows and troubleshoot integration issues
• ✓ Conduct load, security, and non-functional testing in live environments
• ✓ Document test results and provide actionable feedback to development teams

• ✓ Strong hands-on experience with IMS architecture and components
• ✓ Expertise in SIP and Diameter protocols
• ✓ Proven experience in functional and integration testing for IMS networks
• ✓ Familiarity with automated testing frameworks (TAF)
• ✓ Ability to analyze call flows and resolve complex signaling issues

• ✓ Knowledge of VoLTE and Vo Wi Fi  services
• ✓ Experience with SBC and media gateway testing
• ✓ Exposure to cloud-native IMS deployments
• ✓ Familiarity with performance benchmarking tools
• ✓ Telecom certifications related to IMS or VoIP

To stand out, highlight your experience with automated IMS testing and troubleshooting SIP/Diameter signaling flows. Include specific tools and frameworks you’ve used to demonstrate your technical depth.