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.

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.

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.

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 order and technical support for EMEA customers: handle inbound communications, process orders/quotations, submit tickets, deliver SaaS technical support, perform basic satellite imagery quality checks, manage operational delivery, escalate incidents, and collaborate with sales to expand support services.

Join Luminance as a Technical Support Engineer, managing customer queries and building relationships. You'll ensure customer satisfaction and assist with product queries.

Senior technical lead for Workplace Technology providing Tier 2/3 support, mentoring engineers, owning complex incidents, managing MacOS/Windows device estates (JAMF, Intune/Autopilot), Azure AD/M365 administration, AV/VC systems, security/compliance contributions, documentation, process improvement and runbook automation. Responsible for incident lifecycle, root cause analysis, access governance, asset/on-offboarding, and driving team standards.

As a Customer Engineer, you will drive customer success through onboarding, technical support, product insights, and liaising between customers and engineering teams.

Provide phone and email support to international SaaS customers: investigate and reproduce issues, advise on product use, support onboarding and database implementation, document defects, and contribute product improvement ideas.

Provide front-line technical support for CoStar Real Estate Manager: troubleshoot application and database issues, manage customer cases in Salesforce, respond via email/phone, meet SLAs, escalate and collaborate cross-functionally, and support after-hours/on-call schedules.

Lead investigation and resolution of complex, production-impacting customer issues across Kong products. Troubleshoot using logs, metrics, configs, and code; handle escalations; mentor peers; produce knowledge articles; provide product feedback; and participate in weekend on-call rotations.

Serve as first point of contact for customers of a SaaS LMS: troubleshoot technical issues via phone/chat/email, gather diagnostic information, resolve or escalate tickets, manage expectations, and maintain punctual attendance and schedule adherence in a hybrid contact-center environment.

Coordinate scheduling and resource allocation for shift and day engineers across a London portfolio. Manage work orders, SLA compliance, remedial works, contractor quotes, compliance documentation, emergency responses, and KPI reporting to support engineering operations and continuous improvement.

Provide hands-on and remote desktop support across EMEA for hardware, OS, peripherals, and connectivity. Administer device lifecycle, Azure AD/Microsoft 365 accounts, and endpoint security via Intune/JAMF. Coordinate vendors, support onboarding/offboarding, document incidents in ITSM, author knowledgebase content, and collaborate with global IT, Security, and HR on incidents and regional initiatives.

Provide technical support for IAM services: troubleshoot and resolve incidents, perform root cause analysis, maintain SOPs/knowledge articles, support integrations and provisioning, collaborate with Engineering/DevSecOps, and drive automation and operational improvements while meeting SLAs.

Provide technical and commercial support for cell separation and cell therapy/reagent catalog products across Europe. Deliver customer consultations, on-site training, product presentations, technical problem solving, and market intelligence. Collaborate with R&D, marketing, and commercial teams to inform product development and regional strategy; conduct competitor analysis and support targeted customer engagement.

Provide end-to-end technical support for customers: own ticket lifecycles, troubleshoot networking, APIs, and Linux environments, author knowledge-base articles, analyze ticket trends, and escalate complex issues to engineering while driving process improvements.

Provide Level 2 technical support for enterprise market-data and infrastructure products; perform root-cause analysis, escalate to engineering, own customer technical inquiries, contribute to support tooling and knowledge management, and participate in scheduled on-call rotations for a global client base.

Deliver advanced Level 2 technical support for RLDatix SaaS products: diagnose and resolve complex issues, manage escalations to L3 and engineering, document incidents, update knowledge base, support release readiness, and participate in on-call and rota coverage to maintain operational stability for healthcare customers.

The Associate Technical Support Engineer provides technical support, troubleshoots software issues, advises customers on product integration, and collaborates with development teams.

Provide first-line technical support in English and French across phone, email, and chat; troubleshoot basic product issues, document interactions, educate customers on features, follow knowledge processes, and escalate complex cases.

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.

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.