SUMMARY:

• Over 7+ years of experience in the IT industry within Configuration Management, Change Release/Build Management, System Administration, Support and Maintenance in environments like Windows, Red Hat Enterprise Linux, CentOS and expertise in automating builds and deployment process using DevOps tools and AWS Cloud.
• Hands on knowledge and subject matter expertise in TCP/IP networking technologies: Layer 2 - 4 protocols, TCP/IP network architecture, application traffic flows, cloud security architecture, and security best practice
• Proficient with Linux Administration of Ubuntu, RedHat/CentOS Servers
• Experience in working on AWS and its services like AWS IAM, VPC, EC2, ECS, EBS, RDS, S3, Lambda, ELB, Auto Scaling, Route 53, CloudFront, Cloud Watch, Cloud Trail, SQS, and SNS and experienced in Cloud automation using AWS Cloud Formation templates to create custom sized VPC, subnets, NAT, EC2 instances, ELB and Security Groups.
• Strong experience on DevOps essential tools like Chef, Docker, Kubernetes, GIT, to AWS and Managed Services like EC2, S3, Route53, ELB, EBS.
• Deployed Virtual VM's in AZURE and AWS environments
• Experience in AWS, creating, importing, and launching volumes, EC2, RDS, Lambda, security groups, auto - scaling, load balancers (ELBs), NACL in the defined VPC to design cost effective, fault tolerant and highly available systems.
• Created infrastructure in a coded manner (infrastructure as code) using Chef (configuration management tool) and AWS Cloud Formation to spin up services in AWS.
• Experienced in deploying and configuring Chef Server including bootstrapping of Chef Client nodes for provisioning. Created roles, recipes, cookbooks and data bags for server configuration.
• Created Custom as well as downloaded chef Cookbooks, Worked and utilized environments and roles to handle different environments.
• Build/Test Docker Images locally using docker file and deploy to environments like Dev/STG/PROD
• Build Docker images using Gitla

PROFESSIONAL EXPERIENCE:

Confidential

DevOps Engineer

Responsibilities:

• Develop DevOps solutions to make development, build, tag and deploy applications smoother to various environments. Worked on creating
• Kubernetes cluster, kubectl machine, scale the cluster and deploying application containers Experience in creating Docker Containers leveraging existing Linux Containers and AMI's in addition to creating Docker Containers from scratch. Created a Continuous Delivery process to include support building of Docker Images and publish into a private repository AWS ECR. Created ECS Cluster using Cloud - Formation template and configured to Application Load-Balancer for rolling updates (Application Deployment) Expertise in Blue/Green and Rolling
• Deployments without customer downtime Deploying and maintaining production environment, Applications hosted on AWS EC2 instances,
• Beanstalk and ECS with Docker. Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using Chef Wrote Chef cookbook, recipes to automate installation of applications, middleware infrastructure like Apache Tomcat and configuration tasks for new environments etc and used Test-Kitchen for testing and developing cookbooks in DEV Created ECS Container
• Clusters, Target Groups, and ALBs using Cloud-Formation Extensively worked on developing Cloud-Formation templates to make infrastructure as code Extensively worked with Route53 for weight based, geo based and IP based traffic to application Worked on Creating record sets and hosted zone in Route53 Extensively worked with AWS manager to make application more secure (HTTPS) Extensively worked
• Akami for configuring DNS and site failover Implemented IAM role access to Aurora Database to avoid password rotation for security reasons
• Worked on Custom IAM policies to avoid security Issues and unwanted access to AWS resources. Infrastructure support to production environment Development of in-home Rehome Tool which will auto adjust the gateways based on the load, location, latency and move things around the network for the better network performance python, MySQL, custom APIs, Geo Locations, GMaps . Wrote Ansible Playbooks to upgrade 800 Virtual VM's and deploy patches. Wrote Ansible playbooks to create an environment for regression and smoke tests for each cod

Confidential

DevOps Engineer

Responsibilities:

• Migrated VMWARE VMs to AWS and Managed Services like EC2, S3 Bucket, Route53, ELB, EBS with OpsCode Chef Cookbooks/Recipes.
• Test automation code in virtual environments and with testing tools such as Test Kitchen and Chef Spec Create Chef coding best practices for existing development teams. Test Chef Cookbook modifications on cloud instances in AWS and using Test Kitchen and Chef Spec. Work with
• Chef automation to create infrastructure and deploy application code changes autonomously. Develop and implement Infrastructure
• Automation using Opscode Chef and create a deployment strategy for various application models Built and deployed a Chef Server in AWS for infrastructure automation Create Roles for deployment of Infrastructure using Opscode Chef Installed, Deployed Red Hat Enterprise Linux 6.x/7.x, CentOS and installation of packages and patches for Red Hat Linux Servers. Automated Weekly releases with ANT/Maven scripting for
• Compiling Java Code, Debugging and Placing Builds into Maven Repository Working with the hardware vendors and application team for the faulty replacement and planning the downtimes accordingly Applied patches every quarter regularly to meet audit requirements using Oracle
• Ops Center, Red Hat Satellite server, Up2Date, YUM, RPM tools. Performance Tuning and Management for Windows/Linux server and working with the application/database team to resolve issues. Administration of RHEL including but not limited to Installation, Testing, tuning, upgrading, troubleshooting, and loading patches for physical/virtual servers Worked on Installation/Configuration/Administrated VMware ESXi 5.1/5.5 & 6.0 and migrated existing servers into VMware Infrastructure. Experience in various IaaS architectures including VMware VCloud suite, hypervisor technologies including RedHat KVM, VMware vSphere Creating the file systems using Red Hat volume manager and
• Performing the health check on a regular basis for all Linux servers. Worked with JIRA for creating Projects, assigning permissions to users and groups for the projects & Created Mail handlers and notification Schemes for JIRA. Work with development teams and business areas to plan future capacity requirements and hold regular meetings to review usage as well as create, revise, and report any new measurements required to manage mainframe or distributed environments. Promote involvement of application development teams to make recommended changes that improve program performance. Ensure impact of software releases to system performance and resource utilization of distributed and mainframe

Confidential

System Admin/ DevOps Engineer

Responsibilities:

• Worked on installation, configuration, and maintenance Ubuntu/Redhat/CentOS Servers at multiple Data Centers. Configured RedHat Kickstart for installing multiple production servers. Installation, Configuration, and administration of VMware. Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using Chef. Installed/Configured/Managed Chef Server/Agent. Wrote custom
• Recipes and Cookbooks, downloaded pre - written Cookbooks from Chef-SuperMarket. Upgradation or Migration of Chef Server Community and Enterprise. Developed and supported the Red Hat Enterprise Linux based infrastructure in the cloud environment. Proficient in using all
• Amazon Web Services including EC2, EBS, IAM, S3, ELB. Experience working with production servers at multiple data centers. Experience in migration of consumer data from one production server to another production server over the network with the help of configuration management tools. Installed, configured monitoring tools Nagios for monitoring the network bandwidth and hard drives status. Experience in AWS, which included managing applications in the cloud and creating instances. Developed automation scripting in Python (core) using chef to deploy and manage Java applications across Linux servers. Worked on Version controller like GIT and integration tools: Jenkins Gitlab Logged events from forced crash dumps and troubleshooting server issues. Configured yum repository server for installing packages from a centralized server. Installed Fuse to mount the keys on every Debian Production Server for password-less authentication. Experience with
• Configuration Management Tools (Chef, Ansible). Management of RedHat Linux user accounts, groups, directories, and file permissions. Installed packages with yum and rpm. Installation and configuration of PostgreSQL database on RedHat/Debian Servers. Performed Disk management with the help of LVM (Logical Volume Manager). Configuration and Administration of Apache Web Server and SSL. Created and maintained network users, user environment, directories, and security. Provide the support of building the server, patching, user administration tasks, deployment, software installation, performance tuning and troubleshooting. Provided 24/7 on call support on Linux/Windows Production Servers. Responsible for maintaining security on Windows and Linux.

Confidential

Systems Administrator

Responsibilities:

• Yum configuration & package installation through YUM. Configuring and deploying of iSCSI server and Client. Installation of Red Hat

  Enterprise Linux. Configuration and troubleshooting for Red Hat Linux. Handling troubleshooting issues like boating, RPM packages, User management and backup. IP bonding for load balancing and failover, Firewall, SELINUX. Hosting and securing web pages using Apache (httpd) web server and ssl. User Administration & Quota Management Creating and deploying LVM, resizing the logical volume and volume group. Configuration and administration of LDAP, NFS, FTP, SAMBA, POSTFIX Servers in Red Hat Enterprise Linux. Performances, CPU and

  Memory monitoring of Red Hat Enterprise Linux. Create, deploy, and manage Linux and Windows VM using Red Hat Enterprise Virtualization

  Manager, which includes moving and migrating VM from one cluster to another cluster or within the same cluster. Experience in Windows 2003 and 2008 Active Directory Installation and Configuration. Experience in implementing PowerShell scripts to automate creating contacts from

  Active Directory users Heartbeat clustering for high availability in Apache. Installed and configured ESXi 5.0, 5.1 Servers on Blade servers.

  Creating Virtual machines. Creation of templates from VMs and Creation of VMs from templates. Configure vCenter Server 5.0, 5.1 in production environment and created many clusters and enabling HA and DRS for Load balancing and High Availability. Worked on Migration concepts like Vmotion, SVmotion and cold migration. Performed physical to virtual (P2V) and (V2V) migrations for approximately 50 physical servers utilizing VMware Converter. Firmware upgrade, managing the servers, collecting Logs, open KVM console for troubleshooting.