Chabala Maipose

Senior Infrastructure and Cloud Engineer with 15+ years supporting mission-critical hybrid environments - Azure, VMware vSphere, Windows Server, Microsoft 365, Entra ID, Active Directory and SQL Server - across regulated, high-availability service platforms handling sensitive data and payments at scale. Led migration of 1,000+ SQL databases, applications and files between cloud and private-cloud infrastructure. Experienced in Infrastructure as Code (Bicep, ARM templates), identity and access governance, data governance tooling, and 3rd line operational leadership across the full IT service lifecycle.

Senior Application Ops Engineer at ParentPay Group (2024-04 – 2026-03)

Cloud and hybrid hosted-services environment supporting business-critical payments, identity and data platforms at enterprise scale.

• Operate and maintain core cloud and private-cloud infrastructure powering hosted services, covering servers, storage, networks, Azure, VMware, virtualisation and security controls.
• Maintain high availability of business-critical platforms through proactive monitoring, patching, system updates, incident response and operational housekeeping aligned to published SLA targets.
• Deploy and administer Azure infrastructure resources using Infrastructure as Code, including Bicep and ARM templates, with supporting Azure CLI and PowerShell automation.
• Administer Azure virtual machines and infrastructure, supporting resource allocation, scalability, resilience and performance across production service environments.
• Provide 3rd line support for escalated application, infrastructure and cloud-platform incidents, coordinating resolution across internal teams, suppliers and change owners.
• Implement approved infrastructure and application changes through CAB and change-management processes, providing technical assessment and implementation support.
• Create and maintain operational standards and technical documentation, including migration of internal procedures from SharePoint to Azure DevOps Wiki.

Application Ops Engineer at ParentPay Group (2021-11 – 2024-04)

• Supported business-critical applications across Azure, VMware and Windows Server environments, covering availability, security, performance, releases and operational improvement.
• Managed Microsoft Entra ID capabilities including SSO, MFA, Conditional Access, identity governance and Privileged Identity Management.
• Contributed to a major migration of 1,000+ SQL databases, applications and files from Azure to a private cloud hosted on VMware vSphere.
• Administered and optimised Microsoft Purview and Varonis for data governance, compliance, access monitoring, information protection and risk detection and remediation.
• Supported Active Directory, Group Policy, DNS, DHCP and Windows Server infrastructure, ensuring secure and reliable operation across hosted and internal environments.
• Configured and maintained LogicMonitor and PRTG monitoring to identify performance, availability and capacity issues before they affect customers.
• Performed customer onboarding to hosted platforms, ensuring accurate configuration, smooth transition and effective early-life support.
• Carried out platform-wide maintenance and application updates while reducing service risk through structured change control and monitoring.
• Administered OpenVPN certificates and VPN rules to support secure access into hosted environments.
• Governed SharePoint environments for collaboration, document management and intranet use, and supported Microsoft 365 administration across Teams and SharePoint.
• Contributed to decommissioning of legacy VMware infrastructure and wider infrastructure lifecycle management.
• Trained 1st line engineers on internal systems, support processes and escalation routes, improving support consistency and first-time handling.

IT Technical Consultant at Education Software Solutions (Capita) (2012-03 – 2021-11)

• Led the onboarding of hundreds of schools onto Microsoft 365 (primarily Teams) during the government's COVID-19 remote-learning initiative, ensuring rapid adoption, continuity of teaching, and secure digital collaboration
• Delivered infrastructure and application consultancy across customer environments, analysing technical requirements and implementing effective server, application and network solutions.
• Installed, configured and maintained Windows Server platforms, including migrations from legacy versions with FSMO role transfer, DNS, DHCP and Active Directory considerations.
• Performed SQL Server migrations from older SQL platforms to SQL Server 2016, including environments configured by third parties.
• Administered Microsoft 365 services including Exchange Online, Teams, SharePoint and Security & Compliance Centre.
• Installed, configured and administered Active Directory users, groups, domains, trusts, forests, replication and Group Policy, including software deployment and desktop security controls.
• Implemented and supported backup and recovery solutions including Veeam, Redstor Pro and BackupAssist, with network disaster recovery testing.
• Implemented and supported virtualisation technologies, primarily Windows Server Hyper-V, alongside wider server, storage and network troubleshooting.
• Supported security products including Sophos Enterprise Console and McAfee ePolicy Orchestrator.
• Provided remote and onsite support using GoToAssist, LANDesk, LogMeIn, Citrix XenApp, VNC and Webex, escalating hardware issues to vendors where required.

BSc in Computer Science