Aug 2022 – May 2023 · 9 mos

Sep 2017 – Aug 2022 · 4 yrs 11 mos

• Writing scripts in Shell and Python for Automation
• Writing terraform templates & modules to create and manage resources in AWS
• Working on configuration management tools like Saltstack
• Managing several Microservices for backend (onboarding, Creating pipelines, implementation of monitoring etc.)
• Leading Chaos engineering efforts across teams
• Implementing Cost optimization measures for AWS resources
• Deploying and managing services in Kubernetes
• Managing compliance and security of application and infra
• Preparing, updating and testing Disaster Recovery Procedures
• Conducting Daily standups, Sprint planning and review meeting of multiple scrum teams.
• Onboarding and decommissioning of projects.

Sep 2014 – Sep 2017 · 3 yrs · Gurgaon, Haryana, India

• Deployment of Guavus Analytics on Tier1/Tier2 ISP in US.
• Onsite critical upgrade support from hadoop to hadoop yarn.
• Hadoop Software installation and Port configuration
• Configure Name Node High Availability
• Hadoop Cluster Software patching and upgrades.
• Database connectivity for the Hadoop Cluster
• HDFS management and monitoring.
• HDFS support and maintenance.
• Cluster maintenance including creation, addition and removal of data or name nodes
• Manage and review Hadoop/Oozie log files.
• Configuration,Running,Troubleshooting Oozie MR Jobs.
• Module wise data validation from raw flow received, data dropped,annotated data and data showing up on UI.
• Performance testing in staging environment to verify the system performance, UI performance and Modulewise functionality.
• Modularise Data integrity and Data Validation practices.
• UAT with customers
• Interacting with sales, solutions Architect, customer from/during E2E deployment activities.
• Work closely with Product Development, Product Manager and other stake holders to collaborate on Bugs and issues which require deep expertise.
• Perform deep dives into both systemic and latent reliability issues; partner with software and systems engineers across the organization to produce and roll out fixes
• Customer facing role, interacting with customer and resolving issues raised by customer.
• Writing MOPs, SOPs and DRPs.
• Apply in-depth analysis of hadoop based workload, project-based work, design solutions to issues, and evaluate their effectiveness

Aug 2013 – Sep 2014 · 1 yr 1 mo · Hyderabad Area, India

• I write unix shell scripts and do root-cause analysis for business critical issues and implement solutions for same.
• I work in following technologies..
• 1. Unix Shell Scripts , Perl , SQL
• 2. Java , JSP and Web services
• 3. Cloud computing
• Version control System : git , perforce
• Build Toll : ANT
• Development Tool : Eclipse
• Role:
• I am a part of Fulfilment center software team which is responsible for handling different services for Amazon warehouses. These services are mission critical services as any issue with these services can cause huge impact on customer orders hence affecting business. We need to make sure that these services are available 24X7.
• My current roles and responsibilities are as follows:
• Handling tickets cut for any service related issues. Deep dive into the issue to find the root cause.
• Once the root cause is identified then we have to do trouble shooting to fix the issue.
• If the issue is related to other teams then involve them as well to get it fixed.
• In case of any high severity issue jump into the conference call and co-ordinate with different teams to identify the issue.
• Writing Shell script for creating internal reports.
• Writing tools to reduce operational burden.
• Performing deployment for different services with active monitoring to keep a watch on the services' health.
• Escalating issues to developers of the services in the event of any anomalies found during deployment.
• Interviewing candidates for different openings related to my domain.
• Hardware Planning and EC2 migration
• Creating and maintaining Auto scaling groups and maintaining availability zone redundancies
• Planning and designing fault tolerant and high availability clusters
• Handling bad datacenter and bad rack distribution risks
• Performing regular audits for infrastructure

Apr 2011 – Jul 2013 · 2 yrs 3 mos · bangalore

• I used to write Unix shell scripts and automate manual work . I just loved to write Unix shell scripts.
• I did following projects in CGI.
• Network Mediation by Metasolv:-
• Project Description:This application is customized application on top of Metasolv application (a Mediation product from oracle). In this project we used to process HSPA data received from Switches (Network Elements). After processing CDR’s we used to created DB files for bulk load purpose and creating bsi files(billing files)and send to downstream counter parts like Amdocs.
• Roles & Responsibility
• Wrote custom scripts to pull files from switch and after processing files send to down streams.
• Installing application, creating node manager and node chains, setup application on new servers.
• Wrote/maintained script using unix shell scripting and pl/sql to bulk load the files and send bulk load reports by email.
• Designed custom alerting system using unix scripts and Perl scripts.
• Create reports using scripts.
• OMC 6.0 Upgrade :
• Roles & Responsibility
• Prepared build using ANT
• Deployed application in performance test environment
• Participated in performance test result review
• Set up bulk load jobs on database server
• Participated in parallel run
• Deployed the application in production
• Participated in post deployment activities
• Message Process System:
• Roles & Responsibility
• Worked as Developer to convert the requirement into application.
• Designed custom scripts and tools for fetching files from switches and parse them and send for processing.
• DRP (Disaster Recovery Process)
• Roles & Responsibility:
• Sketched the plan for DRP according to situation
• Tested prepared plan for different possible situation
• I enjoy to automate the manual process and setting up alerting systems by automated scripts and cronjobs to help application team in identifying issue on time. I deployed various CR’s in other projects on the floor.