Projects on Karolis Vitkus

Azure Disaster Recovery Design and Testing

Thu, 05 Nov 2026 00:00:00 +0000

Reviewed and developed an Azure-based disaster recovery solution for a UK organisation operating critical services across an on-premises environment.

The engagement focused on improving the recoverability of workloads replicated to Microsoft Azure and ensuring that future disaster recovery tests would provide meaningful evidence of service availability, rather than simply confirming that individual virtual machines could be started.

Enterprise Infrastructure Security Hardening

Thu, 05 Nov 2026 00:00:00 +0000

Delivered security remediation and infrastructure hardening across enterprise Windows, Microsoft 365, virtualisation and network environments.

The work addressed security assessment findings while balancing risk reduction against application compatibility, operational impact and service availability.

Multi-site Network Infrastructure Refresh

Thu, 05 Nov 2026 00:00:00 +0000

Planned and delivered infrastructure improvements across multiple business locations. The work included firewall, switching, wireless and site connectivity components.