MCX Engineer

Title: MCX Engineer

Location: Reading, UK (with travel as required)

Department: Mission Critical Test & Certification

Are you passionate about mission-critical communications, LTE/5G Core networks, and advanced MCX client solutions? We are looking for a highly motivated MCX Engineer to join our Test and Delivery teams, leading testing, performance validation, and troubleshooting of industry-leading MCX solutions.

Why Join Us?

• Work on cutting-edge Device Clients, RAN, Core, and MCPTX Application Services.
• Collaborate with technical specialists locally and internationally.
• Play a critical role in ensuring product quality, availability, and meeting SLAs.

Key Responsibilities:

• Act as a technical expert in IMS (ideally MCX) with an analytical approach to troubleshooting and E2E testing.
• Provide solution expertise and guidance for MCX Client and Application test strategy and plans.
• Execute Functional, Performance, Accessibility, and Compatibility tests.
• Track test progress accurately within project timelines.
• Validate test cases, upgrade procedures, troubleshooting guides, and documentation.
• Perform deep-dive analytics and fault investigations, providing timely resolutions.
• Provide continuous training and development recommendations for yourself and other engineers.
• Conduct MCX Client port and verification testing to support R&D development.
• Create and maintain test execution progress reports and performance logs.
• Manage trouble tickets from reporting to resolution.
• Provide technical support for Sandbox testing, including analysis, logs, and feedback.

Skills & Qualifications:

• Strong background in 4G/5G Core technologies, especially Voice/Video/Data services.
• Expertise in MCX Client applications and SDKs on Android (GMS, Non-GMS, Android Go), iOS, Linux, Windows.
• Hands-on experience with LTE testing tools: Wireshark, IXIA, Viavi, Spirent, XCAL, XCAP, QXDM, Jira, HPQC, Logcat/Putty.
• Experience in SW lifecycle testing for VNF deployments on VMware.
• Knowledge of client SW deployment via OTA/EMM.
• In-depth experience with E2E troubleshooting for LTE and TETRA networks.
• Strong understanding of 3GPP specifications and Mission Critical features.
• Engineering degree or equivalent in Computer Science, Electronics, Telecoms, or related field.
• Awareness of GCF and other client certification standards.
• Excellent presentation, communication, and interpersonal skills.
• Flexible to support on-call rota and extended periods on project sites.

Success in this Role:

• Deliver complex test activities to defined milestones.
• Collaborate with PMO to provide timely project updates and risk reporting.
• Build strong professional relationships across the technical and delivery teams.
• Become the SME for technical investigation across LTE and TETRA networks.