IMS Core Engineer-3

sec· Samsung Electronics UK Ltd
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📍 Samsung Networks, Reading, United KingdomFull time

About this role

Position Summary

Why join our team?

The role is located in the Samsung Networks Europe’s (SNE) team of Mission Critical Test and Certification. The team is determined to enter the Public Services domain in Europe with our market leading portfolio of products ranging from Device Clients, RAN, Core and MCPTX Application Services.

The IMS Core Engineers sit across the Support, Test and Delivery teams under the leadership of the respective Lead Delivery Manager and play a key role in SNEs mission as the team who lead the testing, performance, availability and support of our products, meeting customer expectations, contractual milestones and SLAs.

By joining us, you join a team of highly motivated technical specialists who are trusted to define and deliver our industy leading MCX solutions supported by a strong team of colleagues locally and in our Korean Headquarters.

Role and Responsibilities

Your key responsibilities

You will be a technical expert in IMS Core technologies with an analytical approach to  troubleshooting, RCA investigation and  e2e testing.

  • Providing solution expertise and guidance for the MCX Core Test Strategy and Test Plans for all network elements and sw releases.

  • Define and execute Functional, Performance, Accessibility and Compatibility test plans.

  • Perform accurate tracking of test progress within defined project timeline objectives.

  • Validation of all supporting test cases, upgrade procedures, trouble-shooter guides and product documentation to facilitate consistent test execution.

  • Perform deep dive analytics and fault investigations of feature and performance test cases to provide resolutions within SLAs

  • Perform sw upgrades and regression on VNF based Core nodes on VMware architecture

  • Creation and recording of test execution progress reports and performance logs.

  • Lifecycle management of trouble tickets to successful resolution, ensuring all information for R&D investigation is provided and recommendations implemented.

  • Technical support for integration to Samsung MCX nodes providing analysis, feedback or logs to 3rd parties for their solution development or integration.

  • Provide continuous feedback and recommendations on training and development plans for self and other test engineers.

What we need for this role

To be successful, you will possess the following skills and attributes:

  • A comprehensive background knowledge in IMS Core network technologies, in particular IMS Voice/Video and Data features.

  • Extensive expertise of IMS and VoLTE architecture, interfaces and protocols, ideally with hands on knowledge of testing Voice, Video and Data services when deployed on Commercial VoLTE networks

  • Extensive knowledge of LTE (QCIs/5QI) testing tools: Wireshark tracing and system log analysis of SIP, RTP, RTCP, Diameter interactions, Load testing tools (IXIA, Viavi, Spirent), XCAL,XCAP,QXDM, Jira, HPQC, Logcat/Putty.

  • SW lifecycle testing for VNF architecture deployments on VMware

  • Expertise in e2e troubleshooting for LTE and TETRA networks and call flows.

  • In depth knowledge of 3GPP specifications and Mission Critical features.

  • Excellent presentation and interpersonal skills with written and spoken English.

  • Ability to maintain high standards or work and remain adaptable to changes in a dynamic working environment.

  • You have an Engineering degree or equivalent experience in Computer Science, Electronics, Telecoms or a related field.

  • Awareness of NIST, OWASP and UK TSR requirements and how they impact delivery and testing of secure networks

  • Willing to support an on-call rota as required.

  • Ability to work for extended periods at customer locations to support project activities

What does success look like?

  • Highly motivated and self driven to be an effective member of a small team of test experts.

  • Ability to execute complex test activities to defined project and test plan milestones.

  • Collaborate with PMO functions to deliver timely updates on project achievements and ensure any risks are categorised and resolved in the appropriate reports.

  • Develop strong and effective working relationship with customers and partners.

  • Be the SME for in-depth technical investigation across E2E architectures for both LTE and TETRA networks.

Skills and Qualifications

Benefits of working at Samsung include

  • Bonus scheme linked to individual, team and company performance

  • Car allowance

  • Pension contribution

  • Three volunteering days each year

  • Holiday - 25 days plus bank holidays and an additional day off for your birthday

  • Access to discounts on a wide range of Samsung products

  • Access to a discount shopping portal

  • Partner Colleagues are not eligible for Samsung Enhanced Paid Sick Leave but may be eligible for statutory payments from their payroll agency

  • Up to 20 (pro-rata) Partner Absence days per calendar year to be used in times of need

A note on equal opportunities

We are an equal-opportunity employer and value diversity at our Company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status or disability status.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

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Frequently Asked Questions

Is the salary disclosed for the IMS Core Engineer-3 position at sec?
The salary for this IMS Core Engineer-3 role at sec is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the IMS Core Engineer-3 position at sec located?
This IMS Core Engineer-3 role at sec is based in Samsung Networks, Reading, United Kingdom. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the IMS Core Engineer-3 role at sec full-time or part-time?
This is listed as a Full time position. It is posted as a IMS Core Engineer-3 role in the Samsung Electronics UK Ltd department at sec.
Which team or department does the IMS Core Engineer-3 at sec belong to?
This IMS Core Engineer-3 position is part of the Samsung Electronics UK Ltd department at sec. See the full job description for more information about the team structure and responsibilities.
How do I apply for the IMS Core Engineer-3 position at sec?
Click the "Apply Now" button on this page. You will be redirected to sec's official application portal hosted on workday where you can submit your application directly.
When was the IMS Core Engineer-3 job at sec posted?
This IMS Core Engineer-3 position at sec was posted on Aug 27, 2026. Apply as soon as possible — early applications are often reviewed first.
IMS Core Engineer-3
sec
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