Aurea, Austin, USA

Jan 2018 to Apr 2019
Role: Site Reliability Engineer (Remote)

  • Maintaining 99.95% uptime for Docker & Kubernetes clusters (hosted on AWS / Ubuntu + Windows)
  • Creating & Managing resources on AWS Infrastructure, VPC, S3, IAM, SSL, CloudWatch
  • Implemented monitoring using Nagios, Prometheus, Grafana and PagerDuty
  • Prepared and verified RCAs
  • Drafted Post Mortem reports for incidents and outages
  • Identified Problems and suggested workarounds / solutions for the same
  • Managed VPC routing on AWS
  • Identifying automation opportunities and implementing the same
  • Prepared playbooks for L1/L2 support engineers
  • Define requirements for technical engineers (to be recruited)
  • Manage hiring process for engineers for AWS / DevOps / CICD / Linux / Windows
  • Conduct technical interviews for said technologies

DevFactory, Austin, USA

Apr 2017 to Dec 2017
Role: DevOps Engineer (Remote)

  • Providing support on Docker infrastructure (Linux/Win) deployed on AWS
  • Managing Aws resources - S3, IAM, VPC, EC2, SQS, SES, RDS
  • Maintain EC2 instances, OS troubleshooting - Ubuntu 16.4 LTS and Windows 2016 Server
  • Install SSL on Load Balancers
  • Troubleshoot disk errors - LVM / EBS
  • Create IAM Policies for AWS Resources
  • Troubleshoot faulty containers
  • Grant users access to AWS infrastructure creating aws policies
  • Automation using Ansible, Terraform, Bash
  • Troubleshoot AWS outages with AWS Technical Support
  • Maintain clusters of Docker with over 3000 containers
  • Maintain kubernetes cluster with around 700 pods and applications
  • Assisting in dockerization of products
  • On call L2 support engineer
  • Troubleshoot Windows Technical errors with Microsoft Team
  • Manage Nginx proxies, consul troubleshooting
  • Data migration from AWS, Data Center to Docker / Kubernetes
  • Day to day maintenance of docker hosts, proxy servers, load balancers
  • Post mortem for outages and RCA prepraration
  • Maintain Git repositories
  • Problem solving, documentation
  • Maintain Jira, Confluence, Pagerduty, Zabbix

Gemini, NCR, India

Feb 2016 to Feb 2017
Role: Cloud Engineer (Remote)

  • Deployed various products on AWS Cloud & Datacenter
  • Offered support for On Premises Product Installs
  • Migration of various products on AWS and Azure Cloud
  • Maintained both Windows and Linux Server Systems
  • Maintained Database like SQL Server, PostgresQL and MySQL
  • Regular monitoring of Web Servers & Database Servers and Cloud Deployments
  • Responsible for RCA for various incidents
  • Maintained 24x7 availability for various SaaS based products
  • Maintain / Restore / Backup SQL Server 2008 / 2012
  • Automation / Scripting with PowerShell, Shell / Perl and VBScript

Ignite, Austin, USA

Jan 2015 to Jan 2016
Role: SaaSOps Support Engineer (Remote)

  • Offered support for Payroll & HRMS Application - .Net Based
  • L3 Support for AWS, Windows Server and SQL Server
  • Citrix / Terminal Server Maintenance
  • Maintained Windows Servers - Win 2003/08/12
  • Server Setup Install, AD Setup, AD Forest Setup
  • PDC / DC Maintenance & Troubleshooting
  • Regular monitoring of Web Servers & Database Servers
  • Active Directory Credential Management
  • Update Servers using WSUS / Windows Update
  • Maintain / Restore / Backup SQL Server 2008 / 2012
  • Managing IIS / Tomcat / SQL Server
  • Troubleshooting server related issues
  • Deploying company products on Server and AWS Cloud Platform

ALPL, Kolkata, India

August 2008 to Dec 2014
Role: System Administrator

  • Managed a team of System Admins, DBAs, Developers, Network Engineers, Test Emgineers
  • Installing, configuring and managing ESX servers, V Sphere and virtual center.
  • Consolidation of Datacenters using VMware Infrastructure.
  • Installation, Configuration, Administration and troubleshooting for VMware ESX servers. HA, DRS, V Motion and Troubleshooting of Virtual Center
  • Creating and managing VMware cluster. Enabling HA and DRS features in a cluster
  • Configuring and managing HA Settings and Customizing HA for Virtual Machines.
  • Configuring DRS in a Cluster. And the DRS Automation Level Using DRS Affinity Rules.
  • Creating resources pool, Template & Clone in ESX.
  • Creating and managing Virtual Machines, Installing VM Tools and allocating for end user
  • Performed hot conversion and cold conversion of physical server's to VM's and VM's to VM's using V Center Converter.
  • Moving VM's from one LUN to another LUN using Storage V motion.
  • Monitoring VM'S & ESX Servers using virtual center
  • Creating Virtual Switches & Port groups in Virtual Environment
  • Creating templates, editing and deploying VM's using templates, managing snapshots and restoring, cloning of VM's, configuring V Switch and group ports.
  • Configured V Motion, Alerts, SNMP and NTP, Configuring alarms.
  • Troubleshooting problems with the help of Event Logs
  • Troubleshooting the ESX Server using Putty
  • Setup Windows Servers - 2003, 2008, 2012
  • Setup Failover Clustering on Windows and SQL Servers
  • Migrated SQL Server 2000 to 2005
  • Setup Windows Active Directory on Win 2008, Win 2012
  • Maintained Windows Servers, Users, Groups
  • Backup & Restore database on SQL Server
  • Deploy and manage Exchange Server 2007/2010
  • Regular Maintenance of SQL Server, Managing Log Files, Database Tables etc
  • Created SQL Server Database, Users
  • Worked with Amazon Cloud EC2 (Linux, Windows, SQL)
  • Regular update of Server and Workstations using WSUS

Emkay, Kolkata, India

April 2006 to June 2008
Role: System Administrator (Windows)

  • Managed and Mentored a Team of Server Engineers, DBAs and Test Engineers
  • Setup, Administer and Maintain Windows 2003 Server with Active Directory
  • Setup Active Directory with Domain & Forest Level
  • Setup & Maintain SQL Server 2000/2005
  • Migrated SQL Server 7/2000 to SQL Server 2005
  • Managed Routers, Internet Connection Sharing
  • Deploy and manage Exchange 2003 Server
  • Managed Indexing and Clustering on SQL Server 2000
  • Setup Fault Tolerance Clusters on Windows 2003
  • Created users, groups, group policies in Active Directory
  • Responsible for Vendor & Supplier Management for IT products
  • Setup VMWare, Manage ESX Hosts and deploy Windows Servers