10+ Years of rich experience in professional Experience comprising of Cloud Implementations, DevOps implementations and system administration.
• Designed, configured and managed public/private cloud infrastructures utilizing AWS (Amazon Web Services) including EC2, Auto-Scaling in launching EC2 instances, Elastic Load Balancer, Elastic Beanstalk, S3, Glacier, Cloud Front, RDS, VPC, Bastion Host, Route53, Cloud Watch, Cloud Formation, IAM, SNS.
• Experience Configuring and maintaining virtual server environment using VMware ESX/ESXi, vCenter, KVM.
• Experience in configuring Kickstart and RedHat satellite for provisioning servers.
• Experience in configuration management tools Puppet and Ansible. Worked on operational modules of Puppet and Ansible playbooks.
• Experience in Infrastructure monitoring tools Cloud watch, SolarWinds and Logic Monitor.
• Performed requirements gathering from the business users of the system while adhering to SDLC (Software Development Life Cycle) industry best practices.
• Experience in Installing, configuring and maintaining Apache/Tomcat, Nginx Application Servers.
• Experience at DevOps Engineering in automating, building, deploying, and releasing of code from one environment to other environment .
• Hands on experience working on CI/CD tool sets such as Jenkins, AWS Elastic Beanstalk, code deploy, code commit, Lambda, GIT, and Ansible.
• Experience in Designing, implementing and supporting automated continues integration and continuous Delivery process for multi-tier business application.
• Worked with the quality assurance group throughout the company identifying the major changes with the greatest opportunity for cost reduction. Involved in generating Test Plans, Test Scripts and Test Cases manually.

Sophos Responsibilities: Responsible for distributed applications across hybrid AWS and physical data centers. Used AWS services such as route 53, EC2, EBS, AMI, Auto scaling, VPC, Load balancer, RDS, VPC, ECS, Cloud watch, Cloud formation, SNS, etc.
• Configured VPC, subnets, route tables and elastic IPs.
• Storage on AWS EBS, S3 and Glacier and automate sync data to Glacier. Databases services on AWS like RDS, Dynamo DB, Cloud front, Elastic Beanstalk.
• Lead the continuous improvement of our monitoring, alerting and remediation solutions with focus on proactively identifying and addressing production issues.
• Automated the infrastructure monitoring alerts using python Boto3 and AWS cli.
• Work experience on Auto-scaling, CloudWatch (monitoring), AWS Elastic Beanstalk (app deployments), Amazon S3 (storage) and Amazon EBS (persistent disk storage).
• Worked with Cloud formation key features such as Infrastructure as code, Execution plans, Resource Graphs, Change Automation and extensively used Auto scaling launch configuration templates for launching amazon EC2 instances while deploying resources.
• Installed and configured Kubernetes and Docker on AWS EKS in Dev, Test, Stage and Production Environments.
• Configured connection between CICD Jenkins environment to EKS (Amazon Elastic Kubernetes).
• Experience in Managing/Tracking the defects status by using JIRA, QC tools.
• Configured Docker to use Multistage build in a microservice.
• Experience in managing MongoDB (NoSQL) database.
• Monitoring of applications, servers, doing capacity planning with the help of Logic Monitor for managing logs to notify the incident management system upon reaching or exceeding the threshold limits.
• Creating, Utilizing, Managing Policies and Glacier storage in S3 buckets on AWS.
• Configured AWS Identity and Access Management (IAM) groups, roles and users for improved login authentication.
• Experience in troubleshooting Linux administration networking and application management. Tools and technologies: AWS, Jenkins, Docker, Logic Monitor, MongoDB, AWS SFTP.

Project: Supported Verizon Laniakea project (private cloud) and AWS (public cloud) projects. Supported Verizon major applications includes Vzcloud, IPTV with more than 7 data centers across USA includes 5000+ nodes 200 peta bytes of data.
• Build and configure a virtual data center in the AWS cloud to support Enterprise Data Warehouse hosting including Virtual Private Cloud (VPC), Public and Private Subnets, Security Groups, Route Tables, Elastic Load Balancer.
• Configured custom VPC's subnets, NAT instances . Migrated large data sets to AWS cloud (S3) .
• Setup various AWS resources includes EC2, S3, EBS, Auto scaling groups, ELB, Cloud watch .
• Leveraged AWS cloud services such as EC2, auto-scaling and VPC to build secure, highly scalable and flexible systems that handled expected and unexpected load bursts.
• Controlled user management with AWS IAM policies roles to various AWS resources.
• Provide highly durable and available data by using S3 data store, versioning, lifecycle policies, and create AMIs for mission critical production servers for backup.
• Utilize Cloud formation and ansible by creating DevOps process for consistent and reliable deployment methodology.
• Invloved completely on migrating on-perm applications into Cloud using Cloud formation. Deployed and configured MYSQL RDS instances on AWS using Cloud formation.
• Experience in Mesos-Marathon container Orchestration. Used Marathon for Application deployment and Mesos/DCOS for datacenter management.
• Installed, Deployed, and maintained CoreOS cluster on Cloud platform.
• Extensively worked on Docker containers for deploying applications. Installed and administered Docker
• Written Docker files and Docker compose files to run multi-container applications. Uploaded Docker images to local enterprise registry (JFrog).
• Experience working with Ansible. Integrated Ansible with Jenkins to deploy code to different servers. Worked with different Ansible playbooks and maintain different Ansible roles.
• Create AWS instance via Jenkins with EC2 plugin and integrate nodes in Ansible and integrating AWS S3 bucket with Jenkins for backup of code.
• Build entire CoreOS cluster using KVM for production and test environments. Configured DNS, logging, DCOS, Marathon, Zookeeper, Docker, monitoring, and platform services.
• Configured Mesos-DNS service discovery with in the DC/OS clusters. Integrated DNS into DC/OS to allow applications communicate each other through DNS.
• Experience in Ansible for configuration management and automation. Used Ansible playbooks for updating patches, software packages and deployments on the cluster. Modified playbooks as per the requirement.
• Assisted in configuring and installation VPN (site-to-site and remote) . Continuously monitored network health with custom built monitoring tool.
• Supported Nginx web servers HAProxy load balancer and networking protocols HTTP, TCP/IP.
• Part of 24/7 on call support team handling platform services.
• Installed, configured and administered logging services Kibana, Elasticsearch.
• Experience in GitStash Enterprise Git repository . Environment : AWS (EC2, VPC, ELB, S3, RDS, Cloud Trail and Route 53), VDI, Linux, Ansible, Git version Control, PC, AWS EC2, S3, Route53, EBS, IAM, ELB, Cloud watch, Cloud Formation, AWS CLI, AWS Auto Scaling, Jenkins, Unix/Linux, Shell scripting, python, Docker, Mesos, Marathon, RedHat, CoreOS, HAProxy. Jira, Confluence, Stash.

Responsibilities:
• Installed, Deployed, Migrated and maintained Red Hat Linux 6.x, 7.x, Cent OS, and installation of packages and patches for Red Hat Linux servers.
• Involved in troubleshooting of Red Hat Linux servers, hardware issues and Networking issues.
• Interact with business users for requirement gathering and development process and analysis of requirements and design of data models for different line of business.
• Unit test developed applications. Assist the QA team to identify all functionalities of application and test thoroughly. Implement developed solutions for UAT (User Acceptance Testing).
• Administration and maintenance of all Unix and Database Servers.
• Creating file systems using LVM's and performing continuous health check for all Linux servers.
• Installation/configuration of ESXi 4.x and 5.5 hosts and applying security patches to the ESXi hosts.
• Managing ESXi servers using vSphere client and vCenter for managing multiple ESXi servers.
• Administration of monitoring infrastructure consisting of Tivoli server with Centreon as Web interface for configuration and display of performance data. Used SolarWinds to monitor infrastructure.
• Monitored Network services (SFTP, SMTP, SSH, HTTP. TCP/IP).
• Worked on LDAP Administration to create ldap groups, add users to ldap groups.
• Automated the manual process to an efficient automated process using Redhat satellite with Puppet.
• Planning the major patch releases by coordinating with the application team for the proper implementation of security patches within the environments using RedHat satelite.
• Assisted in preparing SOX compliance reports includes data management, data security and user access.
• Working with the Storage Area Network team in case of any data replication or LUN issues.
• Installed, Configured and upgraded major versions of Mysql in different Linux operating systems like RHEL and oracle Linux .
• RDBMS installation and support including Oracle, SQL Server, MySQL, and use of SQL in various contexts.
• Involved in creating modules, manifests and cookbooks in Puppet using Ruby.
• Extensively used Bash shell scripting for doing manipulations of the flat files given by the clients.
• Used Code Repository (GitHub) for Scripting.
• Extensively worked on DNS servers. Configured DNS Servers and Clients, and involved in troubleshooting DNS issues.

Responsibilities:
• Installation & configuration of enterprise server Linux 9.x and applying patches to the servers in production and in pre- production.
• Installation, configuration, Troubleshooting and administration of operating systems.
• Applied patches every quarter regularly to meet audit requirements using Red Hat Satellite server, YUM, Rpm tools.
• Performance Tuning and management for Linux.
• Creating file system using Red Hat volume manager.
• User administration, adding and removing user accounts and changing the permissions of group.
• Troubleshooting problems related to Operating systems.
• Creating the and updating Crontab files. NFS Administration.
• Delivered project needs on time and within the agreed acceptance criteria in a hybrid methodology environment as they attempted to transition to an Agile Methodology.
• Responsible for 200 Linux servers. shell scripting for job scheduling and crontab.
• Monitoring CPU statistics and file system monitoring and checking errors.
• Creating and cloning Virtual machines in VMware environment using virtual infrastructure client and Vsphere 4.0.
• Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents DHCP and proxy.
• Involved in Raising service now tickets for creating repositories . Daily Kickoff call with team and getting project migration information.
• Creating change controls resolving Incident tickets and problem Tickets using service-now ticketing tool, and ability to multitask in a fast paced environment under strict SLA and Resolve production incidents and minimum impact.
• Monitored ESX server alarms and VM's alarms and acted on those incidents to resolve.
• Working on FTP and SSH for remote administration. Monitoring server performance, disk utilization and failed logins.
• Installation and configuration of many Open Source Packages for company and Clients.
• Implemented V2V and P2V conversion using VMware Converter.
• Scanning the newly assigned LUNs to the serves and assigning them to volume group and increasing the file system using red hat volume manager.
• Created Root Cause Analysis (RCA) for any server outages and server problems.
• Wrote custom support modules for upgrade implementation using Unix Shell scripts and Pro*C.
• Taking Snapshots in the environment. Creating templates as per various business requirements.
• Build new Virtual machine and physical server.
• Associated for running jobs for migrating different client application servers from Solaris to Linux Environment. Environment : Red Hat Enterprise Linux 5.x, VERITAS Volume manager, VERITAS File System, VERITAS Cluster Server 5.1, VMware ESX sever 4.0.