IMS Core Engineer

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 industry leading MCX solutions supported by a strong team of colleagues locally and in our Korean Headquarters.

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, troubleshooter 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.

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 3
  
  GPP specifications and Mission Critical features.
• Excellent presentation and interpersonal skills with written and spoken English.
• Ability to maintain high standards of 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.

• 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…