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Team Lead, Technical Support

United Kingdom - London🌐 Remote💼 Full-time🗓 2026-09-21 → 2026-09-26

Core

Lead advanced technical support for contact center software, resolving complex issues to restore service and reduce customer financial risk.

Role type

Senior Individual Contributor Technical Support Team Lead

Builds

Stable contact center operations and deep technical knowledge base

Domain

Contact center software, telecommunications, SaaS

Deliverable

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

Required skills

Advanced troubleshooting of VoIP, SIP, TCP/IP, HTTP, HTTPS, SFTP, load balancers, proxies, firewalls, and relational databases (MSSQL, Oracle, MySQL); Root cause analysis using logs, traces, and packet captures; Mentoring colleagues on troubleshooting and processes; Knowledge management (KCS methodology); Incident management with third-party providers; Cross-functional collaboration with R&D and Product teams; Networking architecture understanding (PBX, Carriers, MPLS, Ethernet)

Preferred skills

Workforce Management software and outbound dialer experience; Web Services and API knowledge; Troubleshooting MPLS, OC-X, and toll-free services

Technologies

VoIP, SIP, TCP/IP, HTTP, HTTPS, SFTP, MSSQL, Oracle, MySQL, PBX, MPLS, Ethernet, OC-X, Workforce Management software, Web Services, APIs

Responsibilities

Provide advanced technical support via phone, online, chat, and email; Mentor colleagues on communication, troubleshooting, and product knowledge; Manage assigned cases and queue items based on severity and SLA targets; Identify, document, and report software bugs to R&D; Create and update knowledgebase articles using KCS methodology; De-escalate complex customer issues; Provide real-time training and documentation to colleagues

Seniority

Senior, hands-on IC with team leadership responsibilities

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