IMS Core Engineer United Kingdom

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Job Title:

IMS Core Engineer | First Point Group | United Kingdom
🏢 Recruiting Company:
First Point Group
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Job Location:

United Kingdom
💼 Job Type: Full-Time, Onsite
📧 Application Method:
Send CV to
📌 Important:
No sponsorship available. Candidates must have valid rights to work in the UK.

We are seeking an experienced IMS Core Engineer to join a leading telecom team in the UK. This role is critical for ensuring the integrity and performance of 4G/5G core networks through rigorous testing and analysis.

As an IMS Core Engineer, you will play a pivotal role in validating and optimizing next-generation mobile networks. You will work closely with cross‑functional teams to strategise and execute comprehensive test plans for network elements and software releases. This position offers the opportunity to contribute to cutting‑edge projects in a dynamic environment, ensuring seamless connectivity and superior user experience across the UK’s telecom infrastructure.

• ✓ Develop and execute detailed test plans for IMS network elements and software releases.
• ✓ Validate test cases and ensure compliance with technical standards.
• ✓ Perform Root Cause Analysis (RCA) for network issues and recommend corrective actions.
• ✓ Collaborate with engineering teams to troubleshoot and resolve complex network problems.
• ✓ Document test results and provide actionable insights for continuous improvement.

• ✓ Proven experience with UK 4G/5G Core Network architecture and operations.
• ✓ Hands‑on expertise with IMS Core components and protocols.
• ✓ Proficiency in testing tools such as Wireshark, XCAL, XCAP, and QXDM.
• ✓ Strong analytical and problem‑solving skills with attention to detail.
• ✓ Valid right to work in the UK (no sponsorship provided).

• ✓ Experience with VoLTE and VoNR implementations.
• ✓ Familiarity with virtualization technologies (VMware, Open Stack).
• ✓ Knowledge of scripting languages for test automation (Python, Shell).
• ✓ Exposure to cloud‑native network functions (CNFs).
• ✓ Understanding of telecom security standards and best practices.

Highlight your hands‑on experience with UK 4G/5G Core Networks and showcase specific projects where you successfully executed test plans or performed RCA. Providing concrete examples of troubleshooting complex IMS issues will significantly strengthen your application.