3rd Line Engineer - AWS

Third Line TechnicianAnnual Salary: Up to 37,000, dependent on experienceLocation: HampshireJob Type: Full-time - hybridHours: 35 hours per week, Monday to Friday 09:00-17:00, plus on-call rotaThird Line IT Service Desk Technician, where you will play a pivotal role in maintaining the seamless operation of IT infrastructure by resolving complex technical issues escalated from first- and second-line support.Day-to-day of the role:Advanced Technical Support:Resolve complex hardware, software, and network issues escalated from lower-tier support.Conduct root cause analysis and implement long-term solutions.Manage high-impact incidents to ensure minimal business disruption.Server and Application Support:Troubleshoot server issues across cloud (AWS), on-premise, and embedded environments.Support applications written in Node.js and manage FreeSwitch systems.Apply over-the-air firmware updates and monitor system performance.SIP, VoIP and Network Management:Maintain and troubleshoot SIP-based communication systems including VoIP and VoLTE.Configure SIP trunks and resolve complex call routing and quality issues.Manage network configurations affecting SIP traffic, including firewalls, NAT, and QoS.Knowledge Sharing and Documentation:Mentor junior technicians and contribute to internal training.Create and maintain detailed documentation and system diagrams.Vendor and Supplier Liaison:Collaborate with third-party vendors to resolve technical issues.Assist in managing SLAs and ensuring se
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