Harsh Kumar Email & Phone Number

Toronto, Canada Area

• Supporting 24/7 mission-critical systems on Amazon AWS, including the esteemed sportsnet.ca platform.• Prioritizing data-driven approaches to foster a culture of measurement within the organization. • Embracing Infrastructure as Code and Configuration Management to eliminate toil.• Collaborating with cybersecurity teams during each sprint to address vulnerabilities.• Implementing Continuous Integration and Continuous Delivery with Jenkins - Pipeline as Code.• Supporting and managing Gnu/Linux servers, web server farms, AWS RDS, Redis, and load-balancing.• Supporting backend stacks from multiple Rogers Digital Media Teams – Golang, PHP, Node.js, and Ruby.• Identifying critical services to craft SLI, SLO, and error budgets.• Promoting DevSecOps culture and SRE implementations.• Several nominations and four prestigious Rogers awards were achieved.

Noida Area, India

• Developed cloud architecture solutions. • Designed and implemented disaster recovery plans for application & databases. • Completed several automation using Python & Bash. • Managed build and deployment lifecycle for Golang based application stack. • Responsible for managing Tokopedia cloud-hosted platform powered by AWS & Aliyun. • Complete infrastructure monitoring & alerting using Prometheus, Grafana, Datadog. • RDBMS & NoSQL database version upgrades with high availability and reliability. • Tool implementation and management (Consul, Jaeger, ProxySQL, Github’s Orchestrator). • Performed database administration functions including database performance tuning, database application design, physical data modeling, and environment support. • Engaged with the Engineering teams to plan and manage changes in the production environment. Changes related to deployment processes, migration to different datacenters.

Noida Area, India

• Maintain over 5 million rows per day.• Responsible for round the clock monitoring and maintenance of more than 100 MySQL Servers in a fault tolerant production environment.• Administrating 5-10 ElasticSearch Clusters (Document based NoSQL Database).• Maintain and monitor servers across multiple data centers.• Work on MySQL Storage Engines InnoDB, MyISAM, Memory etc.• Planning and deployments of Database design and changes.• Monitor slow queries via Box anemometer & pt-query-digest and help developers in fixing them by providing best possible suggestions.• Perform schema design and physical database implementation; deploy database schema changes for product releases.• Setup and monitoring whole infrastructure including databases and react in case of any alarm.• Implement and maintain multi-level master-slave replication in production environment and troubleshoot replication issues.• Initiating and managing AWS EC2 instances and configuration of the same for setting up MySQL Servers.• Implemented Partitioned table utilizing in Mysql 5.6 for performance and doing great for tables worth 400G in size. • Create Bash/Python scripts to solve complex MySQL tasks. • Active participation in ElasticSearch i.e. (Document based NoSQL Solution) cluster administration. Also helps developers by suggesting best ways for designing ES indexes for supporting high availability and scale.• Use different Percona tools for automating various tasks. Working with Percona xtrabackup, pt-kill, pt-query-diggest, pt-heartbeat etc.• User management at both Server and DB level.• Participate in automating sysadmin tasks via Ansible.• Work closely with engineering and product teams to resolve issues and discuss product needs.

Noida Area, India

Delhi, India.

• Work on MySQL Storage Engines InnoDB, MyISAM & Memory.• Perform configuration tuning (mostly InnoDB related) to improve performance. • Periodically tuned databases for optimum performance.• Worked on different MySQL objects including stored procedures, functions and scheduled events.• Performed 24X7 Mysql 5.0 & 5.1 rdbms and replication administration.• Implemented Partitioned table utilizing Mysql 5.5 for performance.• Implement backups for protection against physical and logical corruption, combination of Hot backups, Binary backups and cold backups on non-productional databases.• Implement and maintain multi-level master-slave replication in production environment and troubleshoot replication issues.• Document the backups & recovery procedure & steps, DBA procedures, deployment plans• Create Bash scripts to solve complex MySQL tasks. • Deploy Mysql 5.5 build across all the servers.• Work closely with engineering and product teams to resolve issues and discuss product needs.

Gurgaon, India

Master Of Computer Applications (Mca), Information Technology

Bca, Information Technology