Naguleshwaran S
Portsmouth,United Kingdom
Summary
Senior Technical Architect and Technical Head with 20+ years of experience leading enterprise cloud transformation, hybrid infrastructure modernization, and global digital workspace programs. Skilled in managing 150+ engineers across multi-technology portfolios, delivering 100+ projects annually with strong governance, security, and architectural oversight. Expert in Microsoft Azure, virtualization, Citrix/AVD, identity management, and cybersecurity. Proven track record in translating business objectives into scalable, secure, and high-performance solutions while driving innovation, operational excellence, and cost optimization. Senior Technical Architect and Technical Head leading enterprise hybrid cloud and on-prem architecture programs. Govern design standards and modernization initiatives for 100+ projects annually, ensuring robust governance and security. Architect Azure IaaS/PaaS solutions, implement Zero Trust architecture, and enhance cloud governance for optimal operational performance.
Overview
18
18
years of professional experience
Work History
Senior Technical Architect / Technical Head
HCL Technologies
08.2021 - Current
- Architect Azure IaaS/PaaS, networking, identity, security, and DR frameworks to enhance system reliability and performance.
- Implement enterprise security posture, Zero Trust architecture, and cloud governance.
- Govern design standards, SOWs, and modernization initiatives, ensuring alignment across 100+ projects annually.
- Oversee Azure Virtual Desktop and Citrix modernization programs, streamlining global deployments for improved user access.
- Lead enterprise hybrid cloud and on-prem architecture programs across multiple accounts.
Technical Consultant / Cloud Solution Architect
Wipro Technologies Ltd
05.2014 - 08.2021
- Led Azure migration programs with 'Define, Assess, Move & Manage' strategy and automation.
- Delivered private, public, hybrid cloud, and DRaaS solutions to enhance operational capabilities for global clients.
- Consolidated 65+ Citrix farms across 20+ countries into a unified global architecture, streamlining management and support.
- Developed product roadmaps and enterprise image standards for Windows and Citrix.
- Trained cross-functional teams in Sales, Consultancy, and Operations to enable effective cloud adoption.
Subject Matter Expert, Virtualization & VDI
IBM
02.2012 - 04.2014
- Planned and deployed enterprise VDI solutions, ensuring seamless transition of Citrix projects from Germany to India.
- Managed clustering and high availability for VMware, Hyper-V, and XenServer in production environments.
- Conducted root cause analysis for critical incidents and led operational readiness reviews to enhance system reliability.
Senior Virtualization Engineer / SME
HCL Technologies Limited
02.2008 - 01.2012
- Managed virtualization platforms and clustering, developing global image standards to ensure consistency and reliability across environments.
- Led farm migrations and server provisioning, modernising Citrix infrastructure to enhance performance and scalability.
- Provided L3 support for 20,000+ users and 200+ applications across Citrix/Windows infrastructure, ensuring system reliability and user satisfaction.
Education
B.E. - Electronics & Communication Engineering
Anna University
01-2005
Higher Secondary (XII) -
State Board of Tamil Nadu
Skills
- Azure IaaS/PaaS
- API Management
- Traffic Manager
- Front Door
- Private DNS
- ExpressRoute
- NSG/UDR
- Azure Policy
- Azure Backup/ASR
- Azure Virtual Desktop (AVD)
- Citrix XenApp/XenDesktop
- PVS
- FSLogix
- Layering
- VMware vSphere
- Hyper-V
- Citrix XenServer
- VirtualBox
- Entra ID
- Azure IAM/PIM
- Active Directory
- GPO
- PKI
- WAF
- Firewall
- DDoS
- Defender for Cloud
- Splunk
- Qualys
- CIS compliance
- P2V
- V2V
- On-prem to Azure migrations
- DRaaS
- Cloud architecture
- Disaster recovery
- Hybrid cloud solutions
- Technical leadership
- Security governance
- Project management
- Cross-functional training
- Client engagement
- Risk assessment
- Strategic planning
- Team collaboration
- Performance optimization
- Operational readiness
- Communication skills
- Problem-solving
- Willingness to learn
- Calm under pressure
- Active listening
- Leadership
- Team building
- Team leadership and motivation
- Analytical and critical thinking
- Customer focused
- Task collaboration
Accomplishments
- Consolidated 65+ global Citrix farms into a unified enterprise architecture spanning 20+ countries.
- Led migration of enterprise workloads from on-prem to Azure, achieving improved performance and cost optimization.
- Designed and implemented Zero Trust security and cloud governance frameworks for multi-account environments.
- Mentored 150+ engineers, fostering cross-domain expertise and delivery excellence.
Timeline
Senior Technical Architect / Technical Head
HCL Technologies
08.2021 - Current
Technical Consultant / Cloud Solution Architect
Wipro Technologies Ltd
05.2014 - 08.2021
Subject Matter Expert, Virtualization & VDI
IBM
02.2012 - 04.2014
Senior Virtualization Engineer / SME
HCL Technologies Limited
02.2008 - 01.2012
B.E. - Electronics & Communication Engineering
Anna University
Higher Secondary (XII) -
State Board of Tamil Nadu