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Manager Engineer

Bentonville, Arkansas, United States
January 05, 2018

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Mesosphere DC/OS

Microsoft Azure


Ant & Maven

Cloud Formation

Cloud Foundry

Red Hat Linux, VMWare ESX/ESXi Administration

Kickstart & Jumpstart

Load Balancing, Clustering and Mirroring

HP service manager

Cassandra and MongoDB, Oracle,MySQL,SQL server

Cloud watch and New Relic

Puppet, Chef & Ansible




F5 Load Balancer


Python,Ruby & Shell scripting

Configuring and Administering LDAP, DHCP, Mail Servers & Web Servers

Storage allocation and Disk Dynamic Multi pathing

CVS,Clear Case.

Group and User administration

Automated Patching

Productivity Improvement




Nagios & Splunk Administration


Active Directory

Installing and maintaining PostgreSQL & MySQL

Logical Volume Manager (LVM) & RAID configuration


OS migration

PCRF Policies

Packages installation

Systems Installation, Configuration & Upgrading


Operating System

Linux (Red Hat 4/5/6/7, CENTOS & SUSE), Solaris 11/10/9/8, HP-UX 11.0, 11.11, 11.23, 11.31, IBM AIX (4.3/5.x/6.x/7.x), HPUX11i V1, V2 & V3, SLES 8, 9, 10, 11 & 12, Ubuntu 12/13/14, Windows NT /2000/2003,DEBIAN.

Application Servers

Web Logic Application Server 9.x, 10.x, Apache Tomcat 5.x/7.x, Red Hat JBOSS 4.22.GA, WebSphere 6.x/7.x/8.x

Web Server

Tomcat, APACHE 2.x, 3.x, JBoss 4.x/5.x, Web Logic (8/9/10) & Web Sphere 4.0/5.0


VERITAS Clusters, HACMP (High Availability)

Volume Manager

VERITAS Volume Manager, Solaris Volume Manager, LVM with Linux, AIX-LVM


EMC Clariion CX series, NetApp.

Backup Management

Veritas NetBackup 4.x/5.x/6.x, Ufsdump, Ufsrestore, tar, cpio, dd, Tivoli, Symantec Netbackup 7.x

Cloud Environments

AWS,AZURE,Amazon EC2 & S3, Rackspace, Openstack

Automation Tools

Chef, Puppet,Ansible, jenkins, Kickstart, Jumpstart, Opsworks


TCP/IP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, WAN, SMTP, LAN, FTP/TFTP.

Virtualization Technologies

VMware ESXi, Windows Hyper-V, Power VM, Virtual box, KVM


Perl, Python, Ruby, Bash Shell scripting, powershell

Version Control Tools

Git, Subversion, CVS


Walmart, Bentonville, Arkansas.

Sr. Cloud/DevOps Engineer (April 2015 to Present)

Experienced in Administration of Production, Development and Test environment's carrying Windows, Ubuntu, Red Hat Linux, SUSE Linux, Centos and Solaris servers

Experience in support instances running Fedora, Debian, Ubuntu, CentOS and RedHat Linux.

Experience in core AWS services (S3, EC2, ELB, EBS, Route53, VPC, auto scaling etc.) and deployment services (OpsWorks and Cloud Formation) and security practices (IAM, Cloud watch and Cloud trail).

Played a significant role as a part of an engineering team designated to design a new platform to host applications on AWS and also set up VPN tunnels from corporate network to VPCs, also designed the Subnets, Routing and IAM policies in AWS

Experience in Building microservices Building microservices with docker enterprise and mesosphere dc/os.

Design and implement new Mesos frameworks

Involved heavily in setting up the CI/CD pipeline using Jenkins, Maven, Nexus, GitHub, Puppet, Terraform and AWS

Managing a team of DevOps engineer for infrastructure support on AWS cloud. Creating cloudformation scripts for hosting software on AWS cloud. Automating the installation of softwares through powershell scripts

Hardened Linux servers based on recommendations provided by our security team and best practice.

Using Bash and Python, included Boto3 to supplement automation provided by puppet and Terraform for tasks such as encrypting EBS volumes backing AMIs and scheduling Lambda functions for routine AWS tasks.

Experienced with Redhat Satellite Server with custom repositories to provide a stable management solution for the Linux environment.

Automate provisioning and repetitive tasks using Terraform and Python, Docker container, Service Orchestration

Installed and configured Disk and file system management using Logical Volume Manager (LVM) for Linux systems.

Written Templates for AWS infrastructure as a code using Terraform to build staging and production environments.

Used Octopus Deploy to deploy releases from Development to Test, Stage, Production.

Built Jenkins jobs to create AWS infrastructure from GitHub repos containing terraform code.

Utilized kubernetes and docker for the runtime environment of the CI/CD system to build, test deploy.

Wrote custom puppet modules for managing the full application stack (Tomcat/httpd/MySQL/Java)

Used Jenkins and pipelines to drive all microservices builds out to the Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes

Created new deployment scripts in PowerShell for use with Octopus Deploy

Hands on experience with Windows Azure, Cloud Services, Storage/Storage Accounts and Azure Traffic Manager

Used Atlassian JIRA as ticketing tool for issue tracking and container management using Dockers.

Created and updated Puppet manifests and modules, files, and packages stored in the GIT repository.

Involved in Customization of Work Items and Transition Matrix in TFS.

Proficiency in writing automation scripts using Puppet, Shell, PowerShell to support infrastructure as code and continuous deployment. Experience in AWS (Amazon Web Services) using EC2, AWS Dynamo DB, AWS S3, AWS VPC, and IAM services.

Developed microservice onboarding tools leveraging Python and Jenkins allowing for easy creation and maintenance of build jobs and Kubernetes deploy and services

Deploying windows Kubernetes cluster with Azure Container Service (ACS) from Azure CLI.

Integrated Selenium automation regression test suite in Jenkins build pipeline.

Writing various puppet manifests files with Hiera and customized functions and defined resources

Administering and managing Windows server Active Directory services, DHCP and DNS servers

Continuous Delivery setups with Puppet by creating manifest and maintain templates for different environments. Migration of shell scripts into Puppet Manifests.

Wrote Puppet code to provision infrastructure including LAMP stacks, Oracle

middleware, Artifactory and Docker.

Move development application from Docker containers and deploy into production Cloud Foundry environment.

Expert in Linux Performance monitoring, kernel tuning, Load balancing, health checks and maintaining compliance with specifications.

Used AWS Lambda to manage the servers and run the code in the AWS.

Good in Integrating an application with Azure AD, Design/Implement a multi-site or hybrid network, Set up Site to Site & Point to Site VPN between on-prem and Azure Networks

Wrote MCollective, Facter, Hiera frameworks to amend the automation pipeline built around Puppet.

Utilize Cloud formation and Puppet by creating DevOps processes for consistent and reliable deployment methodology.

Creating SSL certificates for windows servers and Solaris/Linux Servers

Used AWS Beanstalk for deploying and scaling web applications and services developed with Java, PHP, Node.js, Python, Ruby, and Docker on familiar servers such as Apache, and IIS

T-mobile, Bellevue-Washington

Sr. Cloud/DevOps Engineer (Mar 2013 to Mar 2015)

Experience in designing and deploying AWS Solutions using EC2, S3, EBS, ELB, Auto Scaling groups. Cloud as a code with Ansible.

Design PaaS, IaaS environments such as Cloud Foundry to facilitate rapid cloud native development.

Administered and Engineered Jenkins for managing weekly Build, Test and Deploy chain, SVN/GIT with Dev/Test/Prod Branching Model for weekly release

Combined Chef and AWS CloudFormation to automate the deployment using JSON framework

Created Amazon S3 buckets to keep the web app files and the CloudFormation templates.

Experience with IaaS and PaaS providers such as AWS, OpenStack.

Implemented a CI/CD pipeline with Docker, Jenkins and GitHub. Whenever a new GitHub branches are created Jenkins automatically attempts to build a new Docker container from it

Proficient in installation and configuration of various Packages and Patches in Linux utilizing Red Hat Satellite Server

Ensured, successful architecture and deployment of enterprise grade PaaS solutions using Private Cloud Foundry(PCF) as well as proper operation during initial Application migration and net new development pcf

Implemented chef Configure management technique on windows server 2012 r2 instances using PowerShell DSC along with chef DSL.

Configured TFS builds with continuous integration and build notifications

Experience on installation and Configuration of Red Hat Linux OS, CentOS, Fedora, Ubuntu, Solaris.

Installed and configured RHEL 5.X/6.X servers using Kickstart with PXE for LAMP (Linux, Apache, MySQL and Perl/PHP) installations

Utilized Configuration Management tool Chef and Written Chef Cookbooks and recipes in Ruby to Provision several pre-prod environments consisting of Cassandra DB installations, WebLogic domain creations and several proprietary middleware installations.

Automated Nagios alerts and email notifications using python script and executed them through Chef.

Managed and maintained end-to-end Pipeline with help of Amazon VPC, Amazon EC2, Chef, AWS, CloudFormation and Jenkins

Design, support and maintain Splunk cluster infrastructure in a highly available, geo-redundant configuration.

Experience working in AWS Cloud Environment like EC2 & EBS.

Manage AWS EC2 instances utilizing Auto Scaling, Elastic Load Balancing and Glacier for our QA and UAT environments as well as infrastructure servers for

Developed Python scripts for the automation of the cloud deployments.

Migrated rails applications from openstack to Amazon Web Services (AWS) services including Elastic Beanstalk, RDS,EC2 and Elastic cache.

Experience with container based deployments using Docker, working with Docker images, Docker Hub and Docker registries and Kubernetes.

Wrote and tested Chef cookbooks using Vagrant, git, Packer, Test Kitchen & Jenkins

Creating cloud formation scripts for hosting software on AWS cloud. Automating the installation of Software through PowerShell scripts

Hands on setting up the Ansible control machine (RHEL7) and configured the remote host inventories via ssh

Worked in an "Agile Software Delivery methodology" highly focused on developing & enhancing build pipelines for Continuous Integration, Written the Ansible YAML scripts to configure the remote servers and Implemented Ansible playbooks for installing apache, Nginx web servers, DB and app servers like MySQL, JBoss.

Used Ansible Tower for scheduling playbooks and used GIT repository to store our playbooks. Implemented continuous deployment pipeline with Jenkins

Involved in Architect, build and maintain Highly Available secure multi-zone AWS cloud

infrastructure utilizing Chef with AWS CloudFormation and Jenkins for continuous integration.

Provided POC's to provision the AWS infrastructure using Ansible playbooks which includes checking the health status, monitoring and gathering facts about the ec2-instances, elastic load balancers, auto scaling groups and other aws resources.

Configured and maintained Jenkins to implement the CI process and integrated the tool with Maven to schedule the builds

Experience in Virtualization technologies like VMWare, Vagrant and worked with containerizing applications like Docker, Kubernetes.

Debugging Chef Recipes and their execution trying to pull logs into Splunk and monitor deployments.

Automated the cloud deployment using Chef, Python and AWS Cloud Formation Templates. Used Chef for unattended bootstrapping in AWS.

ENVIRONMENT: VMWare, Kubernetes, Cloud Foundry, Openstack, Ansible, Docker, AWS services(EC2,EBS, VPC,Auto Scaling,Load balancing,S3,cloud formation), Git, Vagrant,Linux.

Verizon, Atlanta

DevOps Engineer (May 2011 to Jan 2013)

Helped engineers migrate their projects from SVN to Git, provided training, and refactored build and deployment mechanisms accordingly

Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers across ESX hosts.

Automated the Applications and MYSQL, NOSQL container deployment in Docker using Python and monitoring of these containers using Splunk.

Maintained build related scripts developed in ANT, Python and shell. Modified build configuration files including Ant's build.xml.

Configured firewall based on Redhat Linux and FreeBSD 4.x that has three network interfaces.

Performed P2V migrations of physical RHEL (5/6) servers to VMware environment using VMware Converter.

Worked on cloud automation framework namely CHEF which included automation of certain software installation processes in the form of Ruby code

Building deployable artifacts (jar, war & ear) from the source code using the build tools like MAVEN and ANT.

Possess hands on experience with the VMware ESX Server, VMware Virtual Center, Vmware HA, Vmware DRS, and Vmware Consolidated Backup (VCB).

Using Micro services and containers to support DevOps environment.

Maintain AWS cloud-based proof of concept ecosystem comprised of various tools within the CI/CD life cycle in Jenkins, & present demonstrations to clients based on their specific use cases & popular trends in DevOps

Wrote shell, Bash, python, perl and ruby scripts for day to day administrative tasks and for managing users.

Developed Jenkins Plugin to automate artifact upload to Nexus(Repo) through Jenkins.

Scripting of administration tasks using CLI, Power Shell, Shell, and Ruby. Built upstream and downstream jobs in Jenkins to build and deploy onto different environments.

Created multiple Python GIT hook scripts (pre-push, post-push) to ensure code quality for the code.

Create automated Kickstart environment for linux standard builds for WEB, APP and DB servers.

Created and deployed a tool to automate branch and project creation in subversion using Perl and Chef Scripts

Responsible for Continuous Integration (CI) and Continuous Delivery (CD) process implementation fusing Jenkins along with Groovy and Shell scripts to automate routine jobs

Collaborate with internal teams to integrate data feeds to a centralized Splunk platform.

Performed code line GIT pushes (releases) to production and customer servers and Developed and improved GIT push script.

Integrated Maven with Jenkins for the builds and deployed into application servers.

Involved in build and maintain Highly Available secure multi-zone AWS cloud infrastructure utilizing Chef with AWS services and Jenkins for continuous integration.

ENVIRONMENT: Jenkins, Git, Docker, Splunk, Maven, AWS services, Linux, Chef, Python, Perl,

RHEL, Redhat,VMware .

ITTI Technologies, Hyderabad, India.

Sr. Linux /UNIX Administrator (May 2010 to April 2011)

Worked on Installation/Configuration/Administrated VMware ESXi 5.1/5.5 & 6.0 and migrated existing server into VMware Infrastructure

Monitored 50 nodes of a Linux server farm in the Mediaplex's data center

Worked on large Data Center Migration Project. Migrated Linux/Unix Servers from one data center to other data center with minimal downtime. Involved in P2P, P2V and V2V migration

Configured and used Jumpstart, Kickstart, Ignite and NIM to install OS

Collaborate with internal teams to integrate data feeds to a centralized Splunk platform.

Installed Power Broker on Linux and windows machines

Heavily utilize the LAMP stack (Linux, Apache, MySQL, PHP/Perl) to meet customer needs

Installing, configuring and troubleshooting JIRA application on Linux servers

Handson experience Veritas cluster administration on AIX/Linux/Solaris servers .

Expertise in Setting up the JBoss, WebLogic, oracle, DB2 connect, WebSphere, MySQL, Tomcat, Apache, Active Directory in Microsoft, sun, Linux server.

Configured and troubleshooting NFS, NIS, NIS+, DNS, DHCP, FTP, LDAP, and Samba, Apache servers in Linux Servers.

Experienced with Redhat Satellite Server with custom repositories to provide a stable management solution for the Linux environment.

Implement and maintain Scripting deployment and monitoring solutions via PowerShell, Automation scripting.

Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on SUSE and Linux servers.

Installed and configured of Solaris and Linux servers using JUMPSTART and KICKSTART installation and periodic Patch Upgrading using Live upgrade.

Used tcpdump, ethtool, ssh, scp, netstat and other tools to debug & fixnetwork issues in thedata plan

Responsible for the administration, installation, configuration, troubleshooting and support of MySQL in Linux/AIX and Windows platforms. Provided technical support and training for more than 300 users on the organization

Knowledge of Routers and Switches, Subnet, VLAN, TCP/IP, Ethernet, VPN, OSI model, Firewall (checkpoint), VOIP, Sarbanes Oxley compliance (SOX), SMTP and RAID.

ENVIRONMENT: VMware ESXi, Linux, solaris, Veritas, Redhat satellite server, oracle, samba, Tomcat, Apache, Websphere, SUSE linux, MYSQL, PHP,Perl.

Global Data, Hyderabad, India.

Systems Administrator (May 2009 to April 2010)

Configured, tested and troubleshoot newly built linux servers with nic card configurations, TCP/IP and applications that ran off TCP/IP stack.

Expertise with IP sub-netting, VLANs, Load Balancing, and High Availability (HA) architectures

working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager. File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.

Installed and configured Disk and file system management using Logical Volume Manager (LVM) for LINUX systems.

Use development and scripting background in various windows scripting languages PowerShell, batch, etc., to build robust and scalable automation to improve and optimize in house applications support.

Upgraded over 35 servers with VERITAS Volume Manager.

Experience with Red Hat Global File System.

Orchestrated and performed upgrade of Linux servers from 32-bit RHEL4 to 64-bit Centos

Experience in Installation of ssl certificates, keystore certificates for websphere application and web logic application servers Firewall configuration using ip tables and worked with selinux configuration.

Setup, implementation, configuration, and documentation of backup/restore solutions for Disaster/Business recovery of clients using TSM backup on UNIX, SUSE & RedHat Linux platforms

Experienced in Installation of Oracle and MySQL, all facets of HP-UX/Linux Systems Administration in a large SAP/Oracle.

Configured firewall using iptables and selinux reducing security breaches and strengthening company policies

Good Knowledge on shell scripting languages like Bourne shell, Korn-shell and Perl.

Monitor Red Hat Linux Systems using real-time, traffic tracking and trend analysis supporting the BFT network by using Linux System tools

Configuration and administration of DNS, LDAP, NFS, NIS, NIS+ and Sendmail on RedHat Linux.

ENVIRONMENT: RedHat Linux, UNIX, selinux, VERITAS Volume Manager, SUSE linux, MySQL, Oracle, TCP/IP stack, Perl, websphere.

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