Jaikumar Y
Design
NSW, Australia
Skills
DevOps
About
Jaikumar Y's skills align with Consultants and Specialists (Information and Communication Technology). Jaikumar also has skills associated with Programmers (Information and Communication Technology). Jaikumar Y has 18 years of work experience, with 8 years of management experience, including a mid-level position.
Work Experience
Singapore/Global Associate
BlackRock (Singapore) Limited
June 2009 - September 2013
- Responsibilities: Server and Storage provisioning, Capacity planning, Performance trend analysis, Operational support, planning and execution of Disaster Recovery (DR/BCP) tests, Code upgrades, developing scripts to automate repetitive tasks, Shift Rota and On-call Rota management. SAN/NAS Projects: NetApp V-series design and implementation, SAN migration from Brocade to Cisco MDS, VDI implementation on VMware ESX using NFS datastores in NetApp and EMC VNX using FAST VP. NetBackup projects: Design, planning and implementation of Symantec NetBackup PROD/DR sites in a cluster across US, EMEA and APAC data centers using Veritas Cluster Server (VCS). Data Center consolidation project: A massive project with many moving parts that involved several Infra and Application teams along with the Business users for successful consolidation of 9 Data Centers to 5. Successfully planned & completed the data migrations using OS utilities and Storage array replication/migration technologies (snap mirror, SANCopy, SRDF etc.) Key Achievements: * A key project proposal for refresh of NetApp fleet while analyzing the cost of renewing SLA contracts turned out to be a massive success saving a fortune in vendor contracts. * Actively pursued and convinced management on Offsite legacy scratch tape destruction to save significant cost to the firm. * Moved code upgrades of both NAS and SAN arrays in house from vendor management eliminating unnecessary cost of vendor engagement services.
Senior Storage Consultant/Project Lead
Encora Technologies
January 2008 - May 2009
- Responsibilities: Migration of 300+ UNIX servers from SYMM 5 series to DMX-3 involving 10 SYMM 5 arrays using SRDF and Veritas Volume Manager (VxVM) for Investment Banking division of US and UK regions, OS installations, Upgrades & Vendor co-ordination (core files, hardware issues), handling escalations from L1/L2 teams.
Infrastructure Management Analyst
Affiliated Computer Services India Pvt Ltd
June 2005 - January 2008
- Responsibilities: Remote L3 support of massive mission critical global environments in US, UK and EMEA data centers involving servers (Linux, Windows), VMWare and storage (NetApp, EMC, NetBackup) platforms.
Senior DevOps
DataMeshGroup
May 2022 - Present
- DataMeshGroup is a startup company providing payments platform and data analytics to its customers. My primary responsibility is to implement DevOps strategies in line with business decisions/requirements by working actively with CTO and CIO and by collaborating with Solution Architects and Developers (node.js applications) on a regular basis and provide BAU/platform support keeping the lights on. Currently working on delivering a highly available and secure AWS platform from the ground up (greenfield project) with automation to support business growth in multiple regions and migrate the existing stack to the new platform that runs predominantly on Linux. Responsibilities: * Identify and propose solutions that are modern, provide minimal disruptions and help achieve efficient release cycles by adhering to PCI compliance. * Provisioning and maintaining the IaaS Linux based cloud infrastructure deployed in Active-Active configuration across AWS and Azure. * New AWS platform project activities comprise of * Design, document and implement secure, highly scalable, high availability AWS architecture i.e. Accounts (Organizations, IAM), Networking (VPC layout, WAF, Palo Alto firewalls, TGW, VPN), App stack (Load Balancers, Auto scaling groups for EC2 workloads, Mongo database etc), Observability & Monitoring (CloudWatch, CloudTrail, Splunk, Prometheus/Grafana/Alert Manager). * EKS cluster design and build for settlements engine. * PCI compliance activities - Monthly server patching, Access reviews, Vulnerability scanning, Security incidents remediation, Facilitating both Infra and App PEN tests and remediation tasks. Key Achievements: * Proposed new infrastructure design that can help with patching process and Blue/Green deployments for software releases. * Increased stability and resiliency of nodejs payments application platform by doing a thorough analysis of application behavior i.e., capacity planning of EC2 instances, identifying app memory leaks and building robust monitoring around application and infrastructure. * Completed massive update of all expiring backend self-signed SSL certificates across the fleet with no prior data of what certificates are in use and in which applications/services. * Designed and implemented infrastructure for crypto payments platform comprising of HAProxy, Web hook server and Kafka cluster. * Successful Proof Of Concept (POC) for GitLab to have a unified CI/CD tool. * Played key role in designing and delivering a greenfield project for APAC banking client comprising of AWS account setup, networking, and Infrastructure services. * Designed and deployed monitoring solution using Prometheus and Grafana tools that enabled business to have a proper monitoring & alerting in place for infrastructure metrics.
Senior Consultant
Federal Gov Agency
August 2021 - April 2022
- Member of Platforms team working on the Digital Modernization project and day-to-day platform/DevOps responsibilities in a hybrid environment. * Design, build, operate, and maintain on-premises Kubernetes clusters and EKS. * Build and maintain environments in AWS. * Execute Proof of Concept (POC) for projects in collaboration with Architecture, Security, and IT support teams. * Working with Development and Test teams to support applications deployments, CI/CD Pipelines. Key Achievements: * Played key role in implementing Pega application on Kubernetes. * Completed POCs for projects like OpenAM integration within Kubernetes cluster, migrating non-sensitive apps to AWS and EKS. * Streamlining operations, cost optimization and tightening security across AWS accounts. * Implemented Prometheus and Grafana to effectively monitor Kubernetes environments. * Designed and implemented Neoload testing tool for testing application performance. * Successfully solved long pending Kerberos/OpenAM issue that became a showstopper for go-live date of Pega application platform.
Senior Technical Specialist - Cloud Engineering
Telstra
March 2021 - July 2021
- * Short term contract role that is involved in both project and operations. Project work is focused on AWS Security remediation and Cost optimization across several AWS accounts and business units. * Scope of the AWS remediation project is to work closely with Security team and other account/business owners, identify security gaps and come up with recommendations/solution to make the cloud platforms robust and secure. * Cost Optimization project scope is to collate different data points from various accounts and identify primarily under-utilized EC2 instances with help of AWS Compute Optimizer and identify other services that can be tuned for utilization/costs. * Operations work comprises of supporting PaaS platform (Pivotal Cloud Foundry) for developers to host their apps with underlying AWS infrastructure and supporting managed cloud services.
Technical Consultant (contract position)
Westpac
October 2020 - December 2020
- Short term contract to help transition the Westpac's banking platform infrastructure comprising of servers and Engineered Systems (Exadata) from Oracle to new vendor.
Principal Systems Administrator
Oracle Global Services Australia Pte Ltd
October 2013 - August 2020
- Handled various roles across different business units. Recipient of Cloud Pace setter and PDIT Excellence awards. Cloud Builds, Migrations & Operations: * Defining standards and facilitating design, plan, and implementation of multi-tier HA architectures for clients. * Scheduling infrastructure builds, planning cloud migrations, supporting go-live operations and monitoring metrics/alerts, handling incidents/escalations etc. * Implemented automation of go-live & operational tasks in Cloud Infrastructure to improve operational efficiency and provide quick turnaround times. SRE/DevOps (Infra): * Deployment and management of infrastructure using Terraform & Ansible. * Provisioning, hardware refresh, patch management and other BAU support for local data centers. * Build and operate Oracle ZFS storage arrays - Capacity planning, Incident/Problem management * Automation of day-to-day administration tasks and process improvements using python and shell scripts. * Managing docker containers, builds, upgrades, and management of Kubernetes clusters. Data Center Projects/Operations: * Production and Disaster Recovery (DR) Data Centers builds in Sydney from scratch for Managed Cloud Services right from cabling, racking, and stacking of compute, storage, and network gear. * Managing On-call rotation, facilitating customer data migrations, Installations/Upgrades/Decoms, Data center tours for Customers, Compliance audits, Server operations etc. Key Achievements: * Played key role in infrastructure design of Gen2 cloud platform comprising of standards, security, configuration, SOPs for smooth implementation of cloud solutions. * Developed REST API based python script for storage consumption reports that finishes in an hour as a replacement to legacy scripts that were taking days to complete giving real time view of the fleet's utilization. * Standardized and automated time intensive tasks like ZFS storage post provisioning reducing build times and implemented central log repository of entire Oracle ZFS fleet for audits. * Played a prominent role in completing Data center builds way ahead of schedule allowing quick customer on-boarding that saved considerable cost to the company.
Education
