Prasanna Balasubramanian

Provide strategic and technical leadership across enterprise infrastructure platforms, ensuring secure, resilient, and scalable service delivery.

• Lead architecture and delivery across hybrid environments (Azure, VMware, Linux, Windows)
• Act as technical authority, embedding Secure by Design principles and governance frameworks
• Own Microsoft 365 security architecture (Intune, Purview, endpoint encryption, compliance controls)
• Deliver complex transformation programmes including platform modernisation, migration, and optimisation
• Enhance observability and incident response, improving service reliability and operational maturity
• Define and implement enterprise backup, DR, and resilience strategies
• Partner with stakeholders across security, applications, and service delivery
• Mentor engineers and uplift engineering standards and documentation maturity
• Support pre-sales and solution design, contributing to business growth
• Modernised legacy Linux estate → improved security posture and platform resilience
• Re-architected monitoring (Nagios → modernised approach) → proactive incident detection
• Delivered Citrix platform upgrade with zero downtime and improved UX

Led end-to-end infrastructure strategy, operations, and transformation across hybrid enterprise environments.

• Directed cross-regional engineering teams (UK & Germany)
• Owned infrastructure estate supporting 500+ users and business-critical services
• Designed platform architectures across compute, storage, networking, and backup
• Led large-scale data centre and cloud transformation programmes
• Owned VMware and enterprise storage platforms (block, file, object)
• Delivered Microsoft 365 transformation (Exchange migrations, governance, licensing)
• Implemented Infrastructure as Code (Terraform) and CI/CD pipelines
• Managed vendor ecosystem, contracts, and delivery assurance
• Maintained architectural governance (HLDs/LLDs)
• Delivered large-scale SAN and data centre migrations
• Led Azure migration programmes using Azure Migrate
• Designed enterprise disaster recovery frameworks
• Delivered full network modernisation for university infrastructure

Operated within a globally distributed, high-security infrastructure environment, supporting mission-critical platforms.

• Managed large-scale estate of Dell EMC enterprise storage systems (VMAX, DMX, VNX, Celerra)
• Delivered disaster recovery testing and validation across storage and SAN infrastructure
• Led patching and upgrade cycles for storage and SAN environments
• Managed Brocade and Cisco SAN fabrics
• Acted as infrastructure representative in audit and compliance processes
• Supported infrastructure estate of 100+ enterprise storage systems
• Contributed to high availability and resilience of critical global systems
• Played key role in audit readiness and compliance assurance

• Assisted with installation, configuration, migration, upgrading, and patching of large EMC storage environments, including Dell EMC VMAX, DMX, Clariion, VNX, and Celerra.
• Supported operations within multi-tenancy environment in shared data centres.
• Collaborated with requesters or clients to design and build environments as per their requirements.
• Aided in troubleshooting and tuning strategies for EMC storage and SAN in critical production environments.

• Assisted in managing remote administration of EMC SAN storage arrays including Symmetrix 8000 series DMX800/1000/2000 and DMX3.
• Supported troubleshooting efforts for EMC Clariion CX-300, CX-600, and CX-700.
• Utilised incident and problem management tools to aid operational efficiency.

• Assisted with 24 x 7 monitoring and diagnosis of storage area networks.
• Supported maintenance activities in heterogeneous environments using Dell EMC Symmetrix systems.
• Collaborated with field staff to facilitate rapid issue resolution and minimise onsite diagnostics.