> Markdown version of [/jobs/ext/2067060-ims-core-engineer](https://www.wearedevelopers.com/jobs/ext/2067060-ims-core-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# IMS Core Engineer

- **Company:** March Recruitment
- **Location:** Reading, UK
- **Contract:** Temporary contract
- **Skills:** LTE (Telecommunication), Application Layers, JIRA, Data as a Services, PuTTY, Regression Testing, Software Engineering, Test Execution Engine, Strategies of Testing, Wireshark, Information Technology, Vmware
- **Published:** August 15, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/x/43741260/

## About the Role

* Strong background in IMS Core technologies, particularly IMS Voice, Video, and Data services.
 * Hands-on experience with IMS and VoLTE architecture, interfaces, and protocols.
 * Proficiency with LTE testing and analysis tools including Wireshark, SIP/RTP/RTCP/Diameter tracing, IXIA, Viavi, Spirent, XCAL, QXDM, Jira, Logcat, and Putty.
 * Experience with VNF architecture deployments and software lifecycle testing on VMware platforms.
 * In-depth knowledge of 3GPP specifications and Mission Critical features.
 * Excellent analytical, troubleshooting, and communication skills.
 * Degree in Computer Science, Electronics, Telecommunications, or equivalent professional experience.
 * Flexibility to support on-call working and travel to customer locations as required.

## Description

As an IMS Core Engineer, you'll be part of a specialist technical team responsible for testing, validating, and supporting mission critical communication solutions. This role is key to ensuring the performance, availability, and reliability of IMS Core services across Core, RAN, and Application layers. You'll work closely with test, support, and delivery teams to ensure systems meet customer expectations, contractual milestones, and service level agreements., * Provide technical expertise in IMS Core and MCX, supporting the definition and execution of test strategies for all network elements and software releases.

 * Define and execute Functional, Performance, Accessibility, and Compatibility testing to agreed project timelines.
 * Perform end-to-end testing, deep dive analysis, and root cause investigation across LTE and TETRA networks.
 * Execute software upgrades, regression testing, and lifecycle testing on VNF-based Core nodes deployed on VMware architecture.
 * Track test progress, manage defects, and maintain detailed test execution reports and performance logs.
 * Support integration and client testing environments, providing technical analysis, logs, and feedback to internal teams and third parties.


## Related Videos

- [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone)
- [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing)
- [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray)
- [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics)
- [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks)
- [Code meets connectivity - Developers as the powerhouse of Network API innovation](https://www.wearedevelopers.com/videos/1686-code-meets-connectivity-developers-as-the-powerhouse-of-network-api-innovation)

## Related Articles

- [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)
- [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools)
- [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)
- [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter)
- [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)
- [The CAMARA Project: How Telcos Collaborating Improves Developer Experience](https://www.wearedevelopers.com/magazine/671-the-camara-project-how-telcos-collaborating-improves-developer-experience)