Top Tech Support Jobs in London

The Senior Technical Support Engineer will provide expert support for Circle's API products, resolve technical issues, manage escalations, improve support processes, and contribute to the team’s goals for customer experience and operational excellence.

The role involves delivering technical support to customers and employees using Linux and Ubuntu, managing cases, troubleshooting, and participating in weekend rotations.

Provide intermediate-level technical support for customers, handling escalations, guiding product installation, documenting cases, collaborating cross-functionally, updating knowledge bases, conducting root cause analysis, training new specialists, and communicating resolution status. Must be proficient in written and spoken German.

As a Technical Support Associate, you'll troubleshoot app issues, provide technical support via Intercom, and assist customers in resolving their queries, ensuring a smooth user experience.

Provide 3rd-line technical support across infrastructure, networking and security in a 24/7 DuPont shift rota. Support firewalls, routing/switching, SD‑WAN, Cisco ISE/Meraki Wi‑Fi, SIEM, DLP, vulnerability management and endpoint protection. Maintain client relationships, perform site visits when required, and help deliver automation-first managed services.

Provide intermediate-level technical support by resolving escalated cases, guiding product installation, documenting troubleshooting steps, performing root-cause analysis, updating knowledge bases, collaborating with teams, and training new support specialists to improve customer satisfaction and operational efficiency.

Provide first-line remote and on-site IT support across Windows environments and office infrastructure. Troubleshoot hardware, OS, applications, AV, printers, and datacenter equipment; manage workstation setup, onboarding/offboarding, asset lifecycle, meeting-room systems, and trading-floor continuity. Monitor systems and escalate issues, maintain documentation and knowledge base, and collaborate with senior teams on network, server, cloud, and infrastructure tasks.

Provide senior-level technical support and escalation handling for Avigilon Alta cloud video and access products. Troubleshoot hardware, software, networks and logs, perform root-cause analysis, document cases, collaborate with Dev/Escalations, mentor team members, and contribute to knowledge base and departmental projects.

Lead and mentor a technical support team to resolve complex hardware, software, connectivity, and integration issues for fleet management products. Own KPIs and SLAs, drive process improvements and RCA for escalations, act as customer advocate, and use metrics and feedback to improve product and support outcomes.

Provide first-line technical support for Cameramatics products via phone, email and other channels. Troubleshoot hardware and software issues using diagnostic and remote-support tools, document tickets, escalate to Engineering/Product when needed, contribute knowledge-base articles, support shift rota for a global customer base, and drive improvements by identifying recurring issues.

Provide first-line technical support for Mimecast products via phone and email: troubleshoot, diagnose root causes, document cases in a ticketing system, escalate complex issues, update knowledge base articles, and proactively identify trends to improve customer experience.

Act as the first point of contact for customer support inquiries, resolving common issues related to APIs and onboarding. Escalate complex problems, document recurring questions, and assist in community management.

Lead global customer support teams, ensuring operational performance and quality. Utilize data and AI for decision-making while fostering a culture of accountability and improvement. Oversee L1 and L2 operations, training, and customer service standards

The Technical Support Specialist ensures a reliable customer experience by investigating technical issues, applying fixes, escalating when necessary, and collaborating with teams to enhance the platform.

As a Technical Support Associate, you'll provide first-line technical support, investigate issues, document solutions, and assist enterprise customers while developing your technical skills.

As a Technical Support Lead, you will oversee user support, manage customer interactions, automate processes, and build a knowledge base to enhance support effectiveness.

Provide post-sale technical support: assess, reproduce, and document customer issues; formulate and communicate resolution plans; gather resources; and deliver clear corrective actions. Requires IT, networking, cloud, virtualization, security knowledge, SQL/relational databases, and .NET experience.

Provide technical client support for energy trading clients: own technical relationships, troubleshoot incidents, lead onboarding and training, scope integrations and pre-sales, and relay client feedback to Product and Engineering to improve Sphere's AI and aggregation platform.

Lead and scale a technical support engineering function for a B2B SaaS product. Define strategy, grow specialist talent, modernize support workflows with automation and AI, partner with Engineering/Product/GTM, measure technical effectiveness, drive product improvements, and guide teams through growth and change.

As a Technical Support Engineer, you'll provide customer support for technical issues through various communication channels and ensure quick resolution, while documenting processes and collaborating with internal teams.

As a Technical Support Engineer, you will lead field operations, develop fixes for software issues, manage escalations, and communicate with customers while maintaining high system uptime.

As a Technical Support Engineer, you will provide Level 2 support, troubleshoot F5 products, communicate with customers, and collaborate with engineering teams.

Provide technical support for Sigma's analytics platform by diagnosing complex SQL and data issues, triaging with engineering and product teams, developing diagnostic tools and best practices, and delivering clear solutions and visualizations to enterprise customers.

Lead and grow a team of Support Engineers for Sigma, becoming a product expert, improving support processes and metrics (CSAT, IR, SLA, TTR), collaborating cross-functionally, and deriving insights from support data to drive customer retention and operational efficiency.

Provide expert technical break/fix and configuration support for Fortinet endpoint security, troubleshoot complex networking/security issues, manage cases end-to-end, reproduce customer environments, recommend configuration optimizations, and communicate escalations and resolutions to customers and partners.