Top IT Support Jobs in London

Own day-to-day IT operations for a London receiving center, including network infrastructure, endpoint deployment, physical security systems, access control, IP cameras, vendor coordination, asset management, and end-user support. The role requires onsite troubleshooting, device lifecycle management, onboarding support, connectivity monitoring, documentation, and collaboration with global IT teams. Occasional after-hours and on-call support is required to maintain operational uptime.

Provide on-site and remote IT support for employees across the Americas: troubleshoot macOS/Windows and SaaS apps, run new-hire onboarding, manage offboarding and hardware, support meeting room AV and events, maintain documentation, triage/ escalate requests, and assist with office moves and basic networking issues.

Provides onsite and remote IT support across multiple offices, troubleshooting workstations, business applications, mobile devices, audiovisual equipment, connectivity, and user incidents. Responsibilities include incident escalation, SLA adherence, hardware asset tracking, office moves, technical initiatives, projects, and event support. Requires strong Windows, Microsoft 365, Active Directory, Intune, Exchange, remote connectivity, mobile device management, troubleshooting, and customer service skills. Occasional weekend or after-hours support may be required.

Provides second-level onsite and remote IT support, including device deployment, troubleshooting, executive assistance, user onboarding, account administration, video conferencing, asset management, and incident resolution. Maintains technical documentation and knowledge-base articles, coordinates equipment procurement and installation, and improves IT processes. Requires strong Windows, Active Directory, Intune, Azure, ServiceNow, ITSM, and customer service expertise.

Provide live IT support for production-critical front-office trading systems during market hours. Monitor trading activity, investigate incidents, manage market data configurations, support electronic execution workflows, and collaborate with trading, development, and infrastructure teams. Participate in change management, testing, and release deployments. The role requires fluent French and English, basic-to-intermediate Linux/UNIX and SQL knowledge, strong communication, pragmatic problem-solving, and curiosity about financial products and trading processes.

Provides day-to-day technical and functional support for business-critical applications, owning issues through resolution and coordinating with stakeholders, application owners, and third-party partners. Responsibilities include troubleshooting, system enhancements, upgrades, testing, documentation, audits, performance analysis, service desk metrics, user training, and implementation support. The role requires substantial IT support experience, ITIL knowledge, and Gorilla package experience in a collaborative hybrid environment.

Lead daily IT support operations, guide and coach IT Engineers, resolve escalated technical issues, and improve service quality. Manage support across Windows, macOS, Linux, mobile devices, and office equipment. Oversee onboarding and offboarding, ITSM systems, reporting, documentation, workflow automation, and process optimization. Collaborate with Security and Engineering to maintain reliability and data protection while supporting hybrid offices and preparing for progression into IT management.

Provide first- and second-line IT support for the London office, including executive support, access management, macOS and Windows device lifecycle administration, onboarding and offboarding, office connectivity, audio/visual systems, knowledge-base documentation, and vendor coordination. Collaborate with global support teams and introduce AI productivity tools while maintaining secure, reliable employee technology experiences.

Provide 2nd and 3rd line support across Microsoft 365, Azure, Entra ID, Intune, Windows, infrastructure, cloud, and endpoint environments. Resolve escalated technical issues, support onboarding and offboarding, maintain security configurations, perform root cause analysis, contribute to IT projects, document solutions, liaise with vendors, and help maintain reliable, secure IT services.

Provides Tier 2 workplace technology support across Windows and macOS environments. Responsibilities include incident and service request resolution, ticket management, asset lifecycle administration, employee onboarding and offboarding, AV/VC support, technical troubleshooting, documentation, security compliance, and collaboration with Tier 3 teams. The role is onsite in London and supports internal employees through a Tech Bar, ITSM platform, remote tools, and internal events.

Provide onsite and remote IT support across UK locations, troubleshooting hardware, software, mobile devices, connectivity, Microsoft 365, collaboration tools, and endpoint environments. Deploy and configure devices, manage provisioning and asset lifecycle records, support meeting-room technologies, and deliver high-quality assistance to employees and executives. Own incidents and service requests through resolution, collaborate with stakeholders, escalate complex issues, and contribute to documentation, process improvement, modernization, security, and governance initiatives.

Provides desk-side and remote IT support across multiple sites, including hardware and software deployment, telecommunications support, ticket escalation, C-Suite assistance, system monitoring, change management, and documentation. The role maintains accurate hardware records, ensures issues are resolved promptly, follows IT service processes, and supports Microsoft 365, Azure Active Directory, and device management systems while delivering strong customer service.

Provide 1st-, 2nd-, and some 3rd-line IT support, manage Microsoft 365 and Azure user access, administer security controls, monitor alerts, maintain endpoint compliance, support patching and audits, train users, and troubleshoot hardware and local networks onsite.

Provides first-line IT support across international offices, troubleshooting hardware, software, connectivity, and Microsoft 365 issues. Builds and deploys Windows laptops, trading workstations, iPhones, and iPads; manages user onboarding, offboarding, accounts, endpoints, and assets. Supports meeting-room technology, desk moves, documentation, endpoint compliance, security standards, and audit activities. The role is fully office-based, hands-on, and offers training with opportunities to progress into infrastructure and security.

Provide end-to-end internal IT support, managing Jira tickets, SLAs, access requests, Microsoft 365 and Entra ID administration, and Windows/macOS device lifecycles. Provision and maintain endpoints using Intune and Kandji, manage joiner/mover/leaver processes, and maintain asset and patch records. Support security, compliance, audits, questionnaires, and incident response. The role offers progression into systems administration, including automation, identity and access management, AWS infrastructure, resilience, and compliance ownership.

Source 1 Solutions seeks talented professionals in various fields for future opportunities. Candidates should excel in customer-focused environments and enjoy solving challenges in managed IT, solutions architecture, sales, and more.

Provides L1/L2 production support for OMS/EMS trading applications across equities, swaps, and futures and options desks. Monitors application health, connectivity, and order flow; troubleshoots issues with traders, clients, brokers, exchanges, vendors, and infrastructure teams; supports FIX certification and connectivity onboarding; manages incidents, root-cause analysis, documentation, automation, and global follow-the-sun support across Asia, Europe, and the US.

The Support Analyst will manage FIX connectivity requests, support trading operations desks, perform FIX testing and certifications, and maintain network relationships, requiring strong FIX technology proficiency and experience in a broker/dealer environment.

Provide first-line technical support to London-based business users, resolving hardware, software, and system issues. Manage JIRA incidents and service requests, escalate complex tickets, support Microsoft technologies, maintain technical documentation, and follow ITIL and SLA processes. The role includes shift work from 6 a.m. to 7 p.m., an on-call rota, occasional weekend project work, and strong customer service and communication responsibilities.

Manage and lead IT support teams in data centers, overseeing maintenance, incident resolution, and support processes for GPU clusters and IT infrastructure.

Provides global IT support across hardware, software, networks, operating systems, and workplace infrastructure. Manages employee onboarding and offboarding, permissions, licenses, device enrollment, software deployment, hardware inventory, vendors, and IT documentation. Develops policies supporting security and compliance standards such as ISO 27001, while troubleshooting technical issues and supporting MDM, authentication, and access-control systems. This remote role requires periodic visits to the London office.

Provide second-level IT support at a Central London customer site, troubleshooting Windows and Apple devices, managing PC lifecycle and assets, performing IMACs, assisting escalations, supporting meeting room AV/telephony, and aiding small projects and hardware repairs to meet SLAs.

Provide first-line IT support via phone and ticketing (Salesforce), manage accounts and licensing in Microsoft Admin Portal, support Windows/Mac/iOS/Android devices, maintain assets and compliance with Microsoft Endpoint, create user documentation, assist onboarding, manage supplier relations and resolve helpdesk tickets to completion.

Assists with IT operations on cruise ships, focusing on guest-related technology. Responsibilities include troubleshooting, installation, and first-level support for IT equipment.

The Junior IT Support Engineer provides 1st line IT support, resolves technical issues, manages support requests, and assists with onboarding/offboarding processes.