Top Tech Support Jobs in London

Provide technical customer support through email, live chat, and forums; triage bugs and requests, meet response SLAs, troubleshoot machine learning product issues, and collaborate with engineering and product teams. Maintain product knowledge and documentation, identify recurring issues, improve support processes, and participate in a 24/7 weekend on-call rotation. The role is based in central London three to five days per week.

Provides technical support for CrowdStrike’s cloud cybersecurity platform. Resolves customer issues through multiple channels, troubleshoots cloud, Kubernetes, container, and Linux environments, identifies root causes, documents bugs, creates knowledge content, and manages escalations. Advises customers on deployment, integration, and maintenance while collaborating with engineering and internal technical teams. The role also serves as a product subject matter expert and drives process improvements and customer-focused technical communications.

Provide frontline technical support to customers by troubleshooting SaaS platforms, hardware devices, integrations, networking, cloud systems, and IoT technologies. Manage complex escalations, collaborate with engineering and product teams, document solutions, improve knowledge bases and support processes, mentor junior agents, and identify trends that improve customer experience. The role requires German fluency, strong English communication, technical expertise, and flexible availability for nights, weekends, and on-call support.

Investigate and resolve production software issues using logs, request traces, API responses, and reproducible examples. Coordinate with engineering on bugs, validate workarounds and fixes, support incident response, and communicate technical findings to customer-facing teams. Document investigations through runbooks and root-cause summaries while improving diagnostic tooling and preventing recurring incidents.

Leads after-hours technical support for Salesforce customers in Japan and Korea. Monitors and coordinates cases and swarms, manages escalations and critical incidents, mentors support engineers, promotes knowledge sharing, identifies enablement gaps, and maintains technical case ownership. The role requires fluent Japanese, business-level English, customer-facing technical support experience, cloud knowledge, strong collaboration, and flexibility for shift work.

Provides advanced technical and application support across cloud and on-premise environments. Responsibilities include troubleshooting enterprise applications, administering Linux and Windows servers, supporting databases, managing upgrades and patching, monitoring platform health, investigating major incidents, documenting procedures, improving automation, and adopting AI-assisted support tools. The role collaborates with engineering, infrastructure, cloud, network, and customer teams to maintain service reliability and deliver strong customer outcomes.

Provides Tier II/III technical support for customer software and hardware issues through telephone, chat, and support portals. Troubleshoots, diagnoses, reproduces, documents, prioritizes, and resolves complex cases while minimizing escalations. Supports Tier I agents through guidance, mentorship, knowledge-base improvements, and best-practice training. Collaborates with field, engineering, product, and development teams on issue resolution, functionality improvements, and process initiatives.

Provides technical support to customers and end users across desktop, mobile, networking, and IT infrastructure systems. Responsibilities include troubleshooting and resolving incidents, service requests, changes, and problems; escalating issues when needed; maintaining ticket ownership through resolution; creating support documentation; coordinating resolutions against SLAs; and supporting first-line service desk teams.

Provide technical support for enterprise AI engineers and infrastructure architects using LangChain products. Diagnose issues across APIs, SDKs, deployments, distributed systems, Kubernetes, Docker, and cloud-native environments. Collaborate with engineering and product teams on escalations, bugs, tooling, runbooks, documentation, and incident post-mortems. Monitor support KPIs, improve self-service resources, and mentor other support engineers.

Provides technical support for access management and federated identity services, resolving incidents and service requests, escalating complex issues, mentoring first-line support colleagues, maintaining accurate records, creating technical documentation, and liaising with internal teams and customers. The role supports secure authentication and remote access services for education and research organizations, with regular travel to offices and customers.

Provide first- and second-line technical support for Windows, macOS, VDI, mobile devices, software, hardware, and connectivity issues. Perform root cause analysis, resolve recurring incidents, support VIP users, coordinate escalations with engineering teams, and participate in on-call coverage. The role also develops documentation, workflows, automation, and process improvements while contributing to projects and service enhancement initiatives.

Provides technical support to healthcare technology customers through phone and email, troubleshooting software and integration issues, configuring installations, documenting resolutions in Salesforce Service Cloud, and escalating complex problems. The role advises customers on product usage, monitors issue resolution, collaborates with development, QA, and product teams, and participates in 24/7/365 production support coverage. Candidates should communicate clearly, analyze technical problems, and have familiarity with networking, APIs, databases, protocols, cloud monitoring, and related technologies.

Troubleshoot and resolve complex hardware and software issues through phone, chat, email, and remote sessions. Document customer cases, review logs and network data, prioritize support requests, maintain product knowledge, and manage customer expectations during critical incidents. The role may require after-hours or weekend on-call support and Tuesday-Saturday or Wednesday-Sunday schedules.

Provides customer-facing technical, order, and geospatial support for EMEA clients. Responsibilities include defining imagery requirements, selecting and tasking satellite imagery, processing orders, preparing quotations, troubleshooting SaaS programs, evaluating basic imagery quality, managing incidents and escalations, and coordinating with Sales and Support teams. The role also supports customer and peer training, project delivery, and occasional on-call coverage.

Own and scale Runware’s technical support function across APIs, serverless, LLM, and GPU products. Define support tiers, SLAs, coverage, escalation paths, KPIs, and automation; recruit and develop support engineers; reduce Engineering escalations; and build knowledge bases, playbooks, and runbooks. The manager will remain hands-on with complex technical investigations, incidents, and customer communication while coordinating closely with Engineering, Product, Sales, and Customer Success.

Provide L2/L3 technical application support for global commodities trading platforms, including Openlink and risk management systems. Diagnose incidents, monitor system health, support risk and end-of-day batches, collaborate with traders and technology teams, manage root-cause analysis, maintain documentation, assist with deployments and disaster recovery testing, and improve automation and support processes. Participate in rotational on-call coverage.

Provide L2/L3 technical application support for a commodities trading platform, including Openlink, market data, trade lifecycle, and risk management systems. Diagnose incidents, monitor performance, support critical risk and end-of-day batches, and collaborate with traders, developers, and infrastructure teams. Responsibilities include root cause analysis, documentation, deployments, disaster recovery testing, automation, and rotational on-call coverage.

Provides Level 2 software and hardware support to field engineers and internal helpdesk users. Responsibilities include troubleshooting Windows and Linux systems, networks, databases, integrations, and electro-mechanical equipment; managing escalations; producing technical documentation; supporting diagnostic software and scripts; analyzing service data; and developing improvement plans to reduce service calls.

Provides technical support for post-integration issues involving payment APIs, e-commerce products, software, hardware, and endpoints. Responsibilities include testing and configuring environments, troubleshooting product behavior, communicating issues to customers and internal teams, creating technical documentation and sample code, and coordinating incident responses. The role includes occasional weekend and holiday on-call coverage.

Provides technical and application support for Eventogy clients, investigating issues, reproducing defects, and coordinating fixes with engineering. Configures event websites, registration, communications, engagement tools, and analytics for managed-service clients. Delivers user training and creates Help Centre documentation while managing multiple fixed-date projects. The role is hybrid in Farringdon, London, with three office days weekly and no visa sponsorship.

Provides post-sale technical support to customers and partners by assessing, documenting, investigating, reproducing, and resolving technical issues. The role develops resolution plans, communicates corrective actions, and supports escalations through a shared on-call rotation. Responsibilities require knowledge of IT administration, networking, encryption, cloud infrastructure, virtualization, security concepts, databases, and SQL, along with strong communication and troubleshooting skills.

Provide technical support to enterprise customers by configuring and troubleshooting SSO, authentication, platform access, alerts, APIs, integrations, and customer network environments. Investigate logs and data to identify root causes, resolve issues, communicate solutions, collaborate with Product and Engineering on defects, maintain support documentation, and participate in an on-call rotation with occasional weekend coverage.

Own complex technical support cases from investigation through resolution, communicating clearly with customers and collaborating with Engineering and Product teams. Reproduce issues using test environments, logs, APIs, and diagnostic tools; create knowledge articles; mentor support engineers; identify recurring issues; and recommend process, tooling, and product improvements. The role is remote in the UK, supports Arabic-speaking customers, and may require occasional travel or work outside standard hours.

Provides advanced technical support for Chainguard Images, investigating and resolving complex enterprise customer issues involving containers, Kubernetes, Linux, and DevOps tooling. Responsibilities include triage, customer communication, SLA management, engineering escalations, documentation, knowledge-base development, bug and feature feedback, cross-functional collaboration, and participation in an after-hours on-call rotation.

Provide technical customer support through Slack and Pylon, troubleshoot integration and product issues, collaborate with Customer Success, Product, and Engineering, capture customer feedback, debug APIs, write custom scripts, and improve technical support processes.