• Provide 3rd line technical support across servers, applications, end user compute, infrastructure, and telephony services
• Act as an escalation point for complex technical incidents and service requests, supporting both internal users and third-party support teams
• Troubleshoot and resolve issues across Windows Server, Active Directory, Group Policy, networking, Microsoft Azure, SQL, IIS, and EUC environments
• Support, maintain, and improve business-critical systems used across the Chubb UK estate
• Work closely with internal DT teams, business stakeholders, and external suppliers to deliver effective technical solutions
• Assist with the delivery of infrastructure, application, endpoint, and cloud-related projects
• Provide on-site support to key UK business locations where required
• Produce and maintain technical documentation, standard work instructions, and knowledge articles
• Support cyber security, compliance, and audit activities in line with company policies, GDPR, SOX, ISO 27001, and other relevant standards
• Identify opportunities to improve service quality, operational resilience, automation, and the end-user experience
• Participate in change, incident, problem, and request management processes in line with ITIL best practice
• Manage smaller DT projects or technical work packages from planning through to completion

Experience and Qualifications:

Qualifications

• Degree (preferred, not mandatory) in:
• IT / Computer Science / Information Systems
• OR experience in enterprise IT support
• Relevant certifications (highly desirable):
• Microsoft:
• MD-102 (Endpoint Administrator)
• MS-102 (Microsoft 365 Admin)
• AZ-900 / SC-300 (Entra / Identity)
• ITIL Foundation (important for service management environment)

Technical Experience

Essential

• 3rd line support across Windows Server, infrastructure, applications and EUC
• Strong knowledge of Active Directory, Group Policy, DNS, DHCP and Windows infrastructure
• Good understanding of networking, firewalls, WAN/LAN and VPN troubleshooting
• Experience supporting Microsoft 365, Teams, SharePoint, OneDrive and Entra ID
• Strong troubleshooting skills, including logs, monitoring tools and root cause analysis
• SQL Server or IIS support experience

Desirable

• Azure administration experience
• Telephony or contact centre platform support experience
• PowerShell scripting or automation experience
• Experience in a regulated corporate environment
• Awareness of cyber security, patching, vulnerability remediation and ITIL processes
• Experience with Intune, SCCM or co-managed endpoint environments