Senior System Analyst – IT Infrastructure

About the role 

Qube Cinema is looking for an experienced Senior System Analyst to lead the administration, security and support of our hybrid IT environment spanning Active Directory, Microsoft 365, AWS and Azure. As the senior technical escalation point, you will own ITIL-based service delivery and SLA performance, and lead and mentor our IT support team. 

What you'll do 

Infrastructure and identity 

• Design and manage Active Directory for forests and domains, including Group Policy, DNS/DHCP, replication, FSMO roles, privileged access and disaster recovery, alongside Entra ID and Entra Connect Sync. 

• Administer Windows and Linux servers, virtualization platforms, and backup and disaster recovery solutions; drive patching, system hardening and capacity planning. 

• Manage AWS and Azure infrastructure, including compute, networking, IAM, site-to-site VPNs, backup, and cost optimization. 

Collaboration platforms 

• Act as senior administrator for Microsoft 365, covering Exchange Online and hybrid deployments, mail flow, email security (SPF, DKIM, DMARC, Defender), SSO, Intune, Conditional Access and Purview. 

• Provide senior-level support and governance for SharePoint Online, OneDrive and Microsoft Teams. 

Migrations 

• Plan and lead Microsoft 365 tenant-to-tenant and Google Workspace-to-Microsoft 365 migrations (mail, OneDrive, SharePoint, Teams and domains), including cutover, rollback and user communication plans. 

Security and monitoring 

• Oversee infrastructure monitoring and alerting, proactively resolving availability and capacity risks before they impact users. 

• Manage endpoint protection, vulnerability remediation, audit logging and security incident response; support ISO 27001 compliance and audit requirements. 

Service management and team leadership 

• Own Incident, Service Request, Problem and Change Management processes in line with ITIL using ManageEngine ServiceDesk Plus, and chair the Change Advisory Board (CAB). 

• Monitor ticket queues and SLAs daily, drive ageing tickets to closure, deliver root-cause analysis for major incidents, and publish monthly service performance reports. 

• Lead, mentor and allocate work across L1/L2 engineers; manage shift coverage, handovers and vendor SLAs. 

What you'll bring 

• Bachelor's degree in computer science, Information Technology or Engineering, or equivalent practical experience. 

• 4–7 years of experience in IT infrastructure, including at least 3 years in a lead role. 

• Expert knowledge of Active Directory, Entra ID, Microsoft 365 and Exchange, with strong hands-on experience in AWS, Azure and Google Workspace. 

• Proven track record of delivering at least one tenant-to-tenant or Google Workspace-to-Microsoft 365 migration. 

• Proficiency in PowerShell automation for Active Directory, Exchange and Microsoft Graph, with sound networking fundamentals. 

• Practical experience with ITIL service management and SLA reporting. 

• Excellent written and verbal communication skills, with the ability to engage effectively with end users, leadership, and vendors. 

Preferred certifications 

• Microsoft 365 Certified: Administrator Expert (MS-102) 

• Microsoft Certified: Identity and Access Administrator Associate (SC-300) 

• Microsoft Certified: Azure Administrator Associate (AZ-104) 

• AWS Certified SysOps Administrator – Associate or AWS Certified Solutions Architect – Associate 

• Microsoft SC-200 or CompTIA Security+ 

• ITIL 4 Foundation 

If you enjoy owning complex infrastructure end to end and building high-performing support teams, we'd love to hear from you. Apply now.