Ankit Aggarwal

- Responsible for maintaining 99.99% SLA of the Enterprise Application. - Leading a team of DevOps and Sr. DevOps Engineers. - Developing and maintaining automated CI/CD pipelines for code deployment using Jenkins. - Migrating On-premises Hadoop Ecosystem to AWS Public Cloud. - Helping customers secure their cloud and On-premises infrastructure ensuring high availability, fault tolerance and disaster recovery. - Deploying and managing AWS Infrastructure using CloudFormation to provide one-click deployment. - Handling issues related to Load, Network, Memory, Disk etc in the servers. - Orchestrated Docker container cluster using Kubernetes. - Maintaining Git workflows for version control (Source Code Management). - Provisioning servers and deployed features using Ansible. - Extensive use of AWS Infrastructure to host the Enterprise Application. - Use of AWS Services like EC2, VPC, S3, ELB, DynamoDB, ECS, IAM, Cloudformation, Code Pipeline, EKS, EMR, Route 53. - Building and maintaining automation framework needed for spawning Hadoop ecosystem, AWS environments and supporting stacks for production and pre-production workloads. - Implementing best practices for clients on Hadoop Ecosystem services and troubleshooting technical & operational issues. - Managing customers YARN resource pools and Impala Dynamic Resource pools. - Helping customers in performance tuning of Hadoop Ecosystems. - Adhering to security standards with respect to SOC, CGPA, ISO27001 and HIPAA compliance and participating in the internal audits. - Creating customized and automated smoke tests for multiple customers. - Using Pager Duty for Incident Management to send notification via SMS, email, phone, on-call escalations, etc. - Tracking multiple issues and tasks with JIRA and Service Now tickets. - Maintaining user documentation for internal and external customers, to a high standard.

- Managed 500+ Linux Servers on production with different DBs deployed. - Installed and deployed VMs from benchmark to production. - Analyzed database trends and growth for effective and efficient capacity planning. - Involved in performance tuning and database system optimization. - Worked on different replication topology. - Experience in SQL and No-SQL databases and storage systems such as HDFS, S3, Block Storage. - Automated database installation, configuration and replication set up via Puppet. - Maintained standards across different platforms and automated day-to-day activities using Shell scripting.

- Handled 70+ global clients using MongoDB and PCRF. - Set up clusters for clients and internal teams. - Involved in design and performance optimization of MongoDB. - Administrated MongoDB servers; Health Check of Database Servers; Setup Replica set and Sharding environment. - Prepared user documentation for migration, upgrades/backup and recovery based on requirements. - Query optimization for both SQL and No-SQL DBMS. - Log file maintenance and regular check-up scripts deployed at customer environments.

- Worked as a Backbone engineer for CISCO PCRF TAC. - Managed and built Linux servers for Airtel to manage STP/MNP software. - Worked closely with the BroadHop Deployment Engineers and BroadHop Development Engineering teams. - Alert monitoring, system health check and day-to-day maintenance activities. - Worked on QNS/PCRF, Diameter, RADIUS, Load Balancers, SNMP, Zabbix, VMWare, MongoDB, MySQL.

- Worked as a ‘Level 1 Support Engineer’ for TEKELEC STP(Signaling Transfer Protocol) for PAN India Bharti Airtel MNP Project. Worked on SS7 layer Protocol.

Uttar Pradesh Technical University