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Senior MCX Core Engineer

Samsung Networks, Reading, United Kingdom💼 Full-time🗓 2026-08-03 → 2026-09-26

Core

Lead testing, performance analysis, and operational availability of Mission Critical Voice/Video and Data (MCX) solutions for 4G/5G networks.

Role type

Senior IC Core Network Test & Operations Engineer

Builds

Mission Critical Voice, Video, and Data services on Commercial VoLTE networks

Domain

Telecoms / 4G/5G Core / IMS / Mission Critical Communications

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

IMS architecture and protocols, VoLTE testing, LTE and TETRA troubleshooting, IP networking and routing, 3GPP specifications, VMware OS lifecycle management, Wireshark and log analysis, load testing tools

Preferred skills

MCX specific experience, SC clearance, customer site deployment experience

Technologies

IMS, VoLTE, LTE, TETRA, VMware, Wireshark, IXIA, Jira, ServiceNow, SIP, RTP, RTCP, Diameter

Responsibilities

Daily SME support for defect triage and complex network issue resolution; Lifecycle management of trouble tickets; Lead deep dive analytics and fault investigations; Peer-review and release of test progress reports; Lead performance analysis and troubleshooting of MCX Core; Validate test cases, upgrade procedures, and documentation; Provide training for MCX engineers; Plan and execute software upgrades and regression testing on VNF-based Core nodes; Provide SME input for MCX Core Test Strategy and Plans

Seniority

Senior, hands-on IC with team leadership

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