Mar 2024 – Jun 2025 · 1 yr 3 mos

• Designed and implemented an end-end scalable solution to securely transfer ~21 TB of claims workflow data from external third-party sources to Azure Data Lake using Azure Data Factory. Ensured data security by leveraging a private network, incorporating best practices for data encryption and secure connections (e.g., Private Endpoints).
• Designed and implemented event-driven architecture leveraging Azure cloud-native services including Blob Storage, Azure Function Apps, Azure Event Grid, Azure Service Bus, and Azure SQL Database processing 300K files/day.
• Analysed and implemented cost optimization strategies for Azure Kubernetes clusters and Azure SQL Database, reducing annual cloud infrastructure costs by 62% (~400K USD) and 79% (~112K USD), respectively.
• Designed and implemented an architectural pattern utilizing Azure Application Gateway to serve as a private frontend for consumption-based Function Apps, overcoming the limitation of private custom domain support.
• Designed and implemented a cost optimization strategy for Databricks job clusters using Azure Spot instances, leveraging Azure Data Factory linked services and Databricks cluster policies, achieving a 60% additional cost saving.

Sep 2021 – Mar 2024 · 2 yrs 6 mos

• Provided guidance for Internal business units interms of standard cloud deployments and Architectural patterns.
• Defined Cloud backup strategy for internal BUs considering cloud security and cost optimizations.
• Translated project-specific requirements into a cloud structure that meets those requirements, scalability requirements and internal Architectural standards.
• Defined technical direction and roadmap for Cloud migrations (Lift & Shift) and managing technical solutions
• Collaborated with Group Information Security to ensure Cloud Compliance using Azure Policy & Initiatives.
• Created & Presented Technical High Level Design & Architecture Pattern documents on various Azure services.
• Experience in Design, Develop, Hands-on Implementation Of Pods, Deployments, Replicasets, Services, Daemon Sets, Stateful Sets, Ingress Controllers, Config Maps, Secrets, Storage Class, Persistent Volumes, Persistent Volume Claims Manifest Files In Managed Kubernetes i.e., Azure Kubernetes Cluster. Hands-On Experience In implementing Horizontal Pod Autoscaling (HPA) In Production Environment For Numerous Applications. Hands-On Experience In Setting Up Node Affinity For Pods With Cost Optimization. Hands-On Experience In Setting Taints & Tolerations On Worker Nodes & Pods Respectively , also on enabling/disabling Admission controllers on Kubernetes Control Plane.
• Practical experience in Installing Apache Sqoop 1.4.7 & Integrating with Hadoop 3.x on Ubuntu 20.04
• Experience in Listing, Evaluating and Importing RDBMS (PostgreSQL, MySQL, Oracle) tables to target HDFS directory in various file formats (Text, Avro, Parquet, Sequence)

Apr 2018 – May 2021 · 3 yrs 1 mo · Kuala Lumpur, Malaysia · Hybrid

• Worked in Multi-tenant & Highly-regulated Insurance/Financial Industry in Solution Design Architecture team responsible for designing Public Cloud solutions across AWS, Azure for various Line-of-Business (LoB)s
• Architected solutions for various internal applications having multiple design patterns (Event-driven, N-Tier, Queue-Worker) & presented in Architecture Review Board (ARB) for governance & review
• Architected Data lake solutions for operating companies (OpCo) in Azure using Data Factory, Storage accounts (Blob), Data lake storage Gen2, Databricks, HDInsight, Azure Synapse, SQL Database, Power BI, Key Vault, ExpressRoute, Private Endpoints considering Data encryption, Security & Compliance
• Technical knowledge and breadth of Azure technology services (Identity, Networking, Compute, Storage, Web, Mobile, Containers, Databases)
• Participated in the development and continuous improvement of application and data architectures in AWS, Azure that are aligned to the business strategies and direction in the most efficient and effective manner adhering to the IT Solution Design Principles.
• Experience in problem solving to highlight and action suitable remedies for technical errors associated with Cloud and related components
• Experience building ETL pipelines in Hybrid Cloud setup using Azure Data Factory, AWS Glue, Athena, S3, AWS EMR using Data Crawlers, Data Catalog
• Experience in Designing Hybrid network setup using ExpressRoute, AWS DirectConnect, S2S VPN, MPLS, P2S VPN, VPN Gateway, Route Table, Azure Firewall, NSG, VNET, VPC, NACL, Security Groups, IGW, VPG, Transit Gateway, Application Gateway, Internal Load Balancers, VNET-VNET Peering, VPC Peering
• Monitored Hybrid Network performance using Azure Network Performance Monitor (NPM) in Azure
• Designed & Implemented Relational & No-SQL Database systems (PaaS) in Azure Public Cloud Platforms SQL DB, Virtual Machines for SQL, Cosmos DB

Mar 2017 – Mar 2018 · 1 yr · Kuala Lumpur, Malaysia · Hybrid

• Provided Managed Cloud Services (IaaS, PaaS) to one of the World's top Bank in London
• Architecting cloud Solutions leveraging appropriate AWS services having High availability & fault tolerance.
• Launching AWS EC2 Windows/Linux Instances as per the requirements with appropriate tags & SGs.
• Designing, creating VPC, Subnets, Routing Tables, Security Groups, Network ACLs by adhering to Cloud Security
• guidelines based on the customer requirements & Troubleshooting any Network security related issues.
• Creating IAM users, groups, policies and associating to respective AWS resources.
• Creating, administering, deleting S3 buckets as per the requirements.
• Administering EBS root volumes, non-root volumes & RAID array EBS volumes & its snapshots.
• Expertise on Multi AZ RDS instances, NoSQL (DynamoDB) instances, read replicas, Items, Tables, Attributes.

Jun 2016 – Mar 2017 · 9 mos

• Delivered 24/7 Wipro's Private Cloud services handling 4 Datacenters in Germany, Singapore, Switzerland comprising VMware, Hyper-V & many other latest technologies to one of the world’s top Retail pioneers headquartered in Switzerland. Provided technology assistance and direction to other teams, ensuring that all technologies work effectively together.
• Migrated applications from On-Premise Datacenters to Private cloud Datacenters.
• Delivered complete End-to-End services across all architecture domains for large internal / external customer initiatives.
• Oversee execution of day-to-day operational activities in Data Center & provide approval that may include configuration changes.
• Acted as Technical authority within the team by understanding all area of the job and to provide assistance to other team members to resolve day to day issues. Drive and follow-up the resolution of complex issues by investigating and devising solutions for systems/operations.
• Actively reviewed documented procedures (Standard Operating Procedures), ensured they are still up-to-date and relevant, drive update and review cycles.
• Applying advanced technical knowledge and skills in developing solutions or problem solving where complexity, innovation and technical expertise are required.
• To identify recurring problem areas, articulating trends for root cause analysis and providing information to problem management. Ensure that solutions to problems meet the architectural standards within the technology area and impact to the business is minimised

Dec 2008 – Mar 2017 · 8 yrs 3 mos

• Provided L3 level Infrastructure support in terms of VMware, SAN, Technologies to one of the Retail pioneers having 10 Datacenters across the Globe indulging 7000 AIX servers involving LPAR, VLPAR, VIO servers, also 25000 Windows servers including standalone & Virtual Machines. Managing around 30,000 switch ports across all the datacenters comprising of 90 Brocade DCX Chassis [4S, 8510] and a total data storage size of 19 PB.
• Design, Performance tuning & build new storage environment per customer requirement and IT standards.
• Proficiency in operating datacenters, enterprise servers (UNIX, Linux), storage systems (SAN), operating systems (UNIX, Linux, Windows), backup/recovery and high available infrastructures
• Identify storage performance trends finding abnormalities and proactively take steps to prevent performance impacts to systems and business function.
• Live migrations and replication of data across SAN’s, Disk Groups, ESX datastores and datacenters to optimize performance and reliability.
• Involving in design strategies with proper understanding on application RPO & RTO.
• Automation and service improvement using shell & Perl scripting, Perl CGI automation.
• Provide storage reports on utilization and consumption including historical trending.
• Experience in Hitachi Tuning manager for identifying the underlying issues in SAN
• Hands on experience in implementing & managing virtual fabrics, FCR routing, FCIP implementations
• Migration of Datastores using VMotion in vCenter.
• Firmware upgrade in Brocade switches. Configuring, Troubleshooting performance bottlenecks (Congestion & latency) bottleneck.
• End to end configuration, maintenance & troubleshooting of SAN switches across multiple datacenters. Installing switch PoD licenses, configuring syslog, configuring SNMP & troubleshooting.
• Manage and monitor zoning activities on Brocade switches using Brocade Network Advisor & DCFM
• Fabric Migration, Merging of various fabrics, Zoning, FW upgrades.