aws

Ram Subhash

Senior DevOps Cloud Engineer

C*C Consultant 3rd Party Employee

650-***-**** **********.***@*****.***

TECHNICAL SKILLS

OPERATING SYSTEM

Red Hat, Ubuntu, CentOS, Solaris, Windows

AUTOMATION AND CONFIGURATION MANAGEMENT TOOLS

Jenkins, Chef, Ansible, Puppet, Docker, Kickstart, Terraform

CLOUD SERVICES

Amazon Web Services: EC2, S3, ELB, Auto Scaling, Elastic Beanstalk, Cloud Front, Cloud Formation, Elastic Filesystem, RDS, DMS, VPC, Direct Connect, Route 53, Cloud watch, Cloud trail, IAM, SNS

BUILD TOOLS

Maven, Ant

APPLICATION SERVERS

Web Logic, Apache Tomcat, JBoss, Web Sphere

VERSION CONTROL TOOLS

GIT, TFS, Subversion (SVN)

DATABASE SYSTEM

MS SQL Server, MySQL, MongoDB, Oracle 9i/10g, IBM DB2

WEB SERVERS

Apache HTTP, Nignx

PROGRAMMING & SCRIPTING

Perl, Python, JavaScript, Ruby, Bash shell, Power shell scripting, Java,Net, HTML, JavaScript, jQuery, CSS, AJAX

VIRTUALIZATION TECHNOLOGIES

VMWare, Windows Hyper-V, Power VM, Virtual box, Citrix Xen

MONITORING TOOLS

Nagios, Cloudwatch, Splunk, ELK

PROFESSIONALS SNAPSHOT

A Professional outstanding, self-motivated career with over 8+ years of experience in IT industry with a major focus on Linux System Administration, DevOps and (AWS) using Software Configuration and Build/Release Management tools like Git, SVN, Jenkins, Maven, Ant, Chef, Puppet, Ansible, Terraform, Docker, Kubernetes, Splunk, OpenStack etc.

Designed, configured and managed public/private cloud infrastructures utilizing AWS including EC2, Auto-Scaling in launching EC2 instances, Elastic Load Balancer(ELB), Elastic Beanstalk(EBS), S3, Glacier, Lambda, Cloud Front, Dynamo DB, EMR, RDS, VPC, Direct Connect, Route53, Cloud Watch, Cloud Formation, IAM, SNS, Route 53 and RedShift.

Experience in installing, configuring, supporting, Upgrades, Patches, Migration, Security, Backup, Disaster Recovery, Performance Monitoring and troubleshooting Unix/Linux/AIX/Windows/Mac Networking services and protocols like NIS, DNS, NFS, DHCP, NAS, FTP, SSH and SAMBA.

Experience with installation, configuration and maintenance of Pivotal Cloud Foundry (PCF) on (AWS). Good knowledge on Cloud and Virtualization environments such as Azure, Google Cloud Engine and OpenStack.

Experience in version control using SVN, GIT, Setup Team Foundation Server(TFS) and GITHUB and continuous integration management using Jenkins.

Installed and configured Jenkins and Hudson for continuous integration and performed continuous deployments. Integration of Maven/Nexus, Jenkins, Urban Code Deploy with Patterns/Release, Git, Confluence, JIRA and Cloud Foundry.

Experience using Maven, ANT and Gradle as build tools for the building of deployable artifacts (jar, war and ear) from source code. Experience in Implementing Configuration Management tools like Ansible, Puppet and Chef.

Configured Apache webserver in the Linux AWS Cloud environment using Puppet automation. Repositories for Puppet Enterprise on RHEL and Windows platforms.

Working knowledge on Nagios and Splunk Monitoring tools. Set up Elasticsearch, Logstash and Kibana(ELK) for multiple clusters, helping other teams quickly access new job logs. Experience in JIRA for Bug Tracking and Test Case Management.

Deployed the built docker image on Mesos using Marathon. Using a multi-container setup deployed on Mesos. Created and managed a Docker deployment pipeline for custom application images in the cloud using Jenkins

Virtualized the servers using the Docker for the test environments and development environments needs and configuration automation using Docker containers.

Extensive exposure to Configuration management policies and practices with regards to SDLC along with automation of scripting using bash, shell, python, PowerShell and Perl scripting. Experience in writing SQL scripts for Oracle 10g, 11g and SQL Server.

Expertise includes bash and python scripting with focus on DevOps tools and CI/CD Architecture. Worked with DevOps practices using AWS, Elasticsearch, Beanstalk and Docker with Kubernetes.

Experience on Virtualization technologies like VMware ESX, vCenter, vSphere and Xen.

Worked on building and deploying Java code through Jenkins. Experience in installation and configuration of Web Sphere, Apache, JBoss, WebLogic and LDAP. Proficiency in multiple databases like DynamoDB, MongoDB, NoSQL, MySQL, ORACLE and MS SQL Server.

Experience of working with the release and deployment in Java/J2EE, Android, iOS, C, C++ and ASP.net Web applications environment. Worked on setting up the life cycle policies to back the data from AWS S3 to AWS Glacier. Experience using AWS CLI to create new instances and manage existing instances.

Administration and management of Atlassian tool suites. Expertise in Agile, Scrum software development environment and Application Lifecycle Management.

Worked on setting up a reverse proxy, load balancing and caching server(Nginx).

PROJECTS WORK EXPERIENCE

DISCOVER CHICAGO, IL

SENIOR DEVOPS CLOUD ENGINEER

APRIL 2015 – CURRENTLY WORKING

Managing a production infrastructure on Amazon Web Services VPC utilizing AWS Code Deploy, S3, EC2, Container Service, Cloud

Formation including Auto Scaling.

Setting up private networks and sub-networks using Virtual Private Cloud (VPC) and creating a security group to associate with the networks.

Implemented and maintained the monitoring and alerting of production and corporate servers/storage using AWS Cloud watch.

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

Developing payment system module using Spring Microservices on Pivotal Cloud Foundry after successful execution of the main business model.

Branching, Tagging, Release Activities on Version Control Tools SVN and GIT.

Developing and maintaining the built environment, the source code control system and managing build packages using Team Foundation Server(TFS).

Implemented Continuous Integration using Jenkins and Hudson.

Implementing a Continuous Delivery framework using Jenkins, Ansible in Docker container environment.

Work on automatic and continuous inspection of code quality, integrating SonarQube with Jenkins.

Extensive experience with Continuous Integration tools Jenkins and project dependency management tools ANT, MAVEN to build Java/J2EE.

Installed Groovy plugin to Jenkins and worked on groovy scripts to add support for Groovy projects.

Managed Chef Cookbooks to automate system operations and AWS Cloud management.

Deploy and configure Chef Server and Chef Solo including bootstrapping of chef-client nodes for provisioning.

Created inventory in Ansible for automating the continuous deployment and wrote playbooks using YAML scripting.

Modernized deployment procedures by repackaging software into rpms and yum repos, enabling one-step builds with an Ansible playbook and shell script.

Applied patching on different flavours of Linux using configuration management tool Ansible.

Deployed and configured Elasticsearch, Logstash and Amazon Kinesis(ELK) using chef for log analytics, full-text search, application monitoring in integration with AWS Lambda and CloudWatch.

Installed and configured Nagios tool, for monitoring network services and host resources.

Wrote Bash, Shell, Ruby, Perl and Python scripting to automate the regular tasks like removing core files, taking backups of important files, file transfers among servers.

Used JIRA tool to track all the defects and changes related to build and Release Team in an Agile environment.

Experience designing and deploying container-based production clusters using Docker (Kubernetes, Docker Swarm, Apache).

Implemented docker -maven-plugin in and maven pom to build docker images for all microservices and later used Dockerfile to build the docker images from the java jar files.

Container management using Docker by writing Docker files and set up the automated build on Docker HUB and installed and configured Kubernetes.

Configuring Nginx for proxy RESTful API calls to micro-services in Docker containers.

Administering and configuring NoSQL Databases like Cassandra, MongoDB etc.

Installed and setup web server on Apache and Database server with MySQL.

Worked on setting up a reverse proxy, load balancing and caching server(Nginx).

Experience in setting up a firewall for the given environment.

Working with Clusters, adding multiple IP addresses to a Servers via virtual network interface in order to minimize network traffic (load-balancing and failover clusters).

System Monitoring and log management on UNIX and Linux Servers including, crash and swap management, with password recovery and performance tuning.

Worked on web security tools, including LDAP Server, SSL Certificates and client authentication

Expertise in implementation and maintenance of Apache, SMTP, DHCP, NFS, NIS, NIS+, LDAP, DNS, SAMBA, SQUID, Postfix, Send mail, FTP, Remote Access, Security Management Security troubleshooting skills. Deep understanding of Layer 7 protocols like HTTP, DHCP, DNS, SSL/TLS.

Configured and administered JDBC, JMS, JNDI and SNMP on WebLogic server with Oracle9i database.

Automated deployment of.Net, Ruby, NodeJS builds to different environments using TeamCity.

Environment: - AWS (EC2, VPC, ELB, S3, glacier, Lifecycle Management policies, Cloud Formation, Elastic Beanstalk, Lambda, VPC, RDS, IAM and Cloud Watch, GIT, Maven, Ansible, Hudson, Jenkins, Kubernetes, SQL, Docker, Kubernetes, Jira, AWS CLI, AWS Auto Scaling, Unix/Linux, Bash Shell Script, Python, Apache Tomcat, MongoDB, Oracle DB.

CISCO RALEIGH, NC

SENIOR DEVOPS CLOUD ENGINEER

JUNE 2013 - 2015

AWS EC2/ELB/VPC/S3/SQS/SNS based infrastructure automation through Terraform, Python, Bash Scripts.

Deployment of application and migration of data on AWS Redshift.

Design and Implemented Cloud Orchestration solution using AWS EC2 & Docker.

Managing Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Puppet.

Worked on setting up the new repos, managing the permissions for various GIT branches.

Experience in working with GIT to store the code and integrated it to Puppet.

Synchronized off-shore and on-site TFS servers on weekly basis.

Extensively worked on Jenkins by installing, configuring and maintaining for continuous integration (CI) and for End to End automation for all build and deployments.

Built end to end CI/CD Pipelines in Jenkins to retrieve code, compile applications, perform tests and push build artefacts to Nexus Antifactory.

Installed SonarQube plugin in Jenkins and integrated with project ANT and Maven scripts.

Implemented chef as Configuration management tool, to automate repetitive tasks, quickly deploy critical applications, and proactively manage change.

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

Developed Chef Cookbooks to install and configure Apache Tomcat, Jenkins and deployment automation.

Support developers in writing cookbooks for deploying product applications in development, QA and production environment.

Implemented Chef Cookbooks for OS component configuration to keep AWS server's template minimal.

Working with the ELK (Elasticsearch, Logstash, Kibana) stack to analyze log data obtained from Microsoft Business Intelligence tools.

Using Agile (JIRA) development techniques and continuous integration through Bamboo.

Virtualized the servers on AWS, Linux and Windows using Docker, created the Docker file.

Working with DevOps practices using AWS, Elastic Beanstalk(EBS) and Docker with Kubernetes.

Developed and implemented up to the monitoring infrastructure for systems using Nagios.

Configure AWS VPC with public and private subnets, Routing tables, Internet gateway, Security groups and ACL’s.

Maintain integrity of the network, server deployment, and security.

Drafted and executed Shell, Perl, Bash & Maven scripts in QA, Staging and Production environments. Modified build configuration files including POM.xml.

Knowledge of setting up a reverse proxy and caching server(Nginx).

Installed puppet client software on servers and established a communication between master and client through SSL certification.

Network administration and monitoring on Linux and Solaris server using third-party tools such as Nagios.

Configured DNS Servers and Clients, and involved in troubleshooting DNS issues.

Created Virtual server on VMware ESX/ESXi based host and installed the operating system on Guest Servers.

Extracted the data from MySQL, Oracle, SQL Server and load data into Cassandra.

Deployed the java application into web application servers like Apache Tomcat.

Installed, Configured and Administered JBoss Application Server AIX, RHEL, WINDOWS.

Environment: - AWS (EC2, VPC, ELB, S3, Amazon RDS, Cloud Trail and Route 53, GIT, VPC, Route53, Maven, Hudson, Jenkins, EBS, SQL, ELB, Cloud Watch, Cloud Formation, Docker, Kubernetes, Jira, Terraform, AWS CLI, AWS Auto Scaling, ELK Unix/Linux, Bash Shell script, Python, Chef, Apache Tomcat, MongoDB, Oracle DB.

FIDELITY INVESTMENTS RALEIGH, NC

DevOps ENGINEER

NOV 2011 – MAY 2013

Developed a fully automated continuous integration system using SVN, GIT, GitHub and custom tools developed in Bash.

Worked on building and deploying Java code through Jenkins.

Worked with Build Automation, Deployment tools and Continuous Integration concepts by using tools like ANT, Maven, MS Build, Jenkins.

Create and set up an automated nightly build environment for Visual Studio, Net and Java projects using Jenkins.

Effective at managing enterprise puppet environments, maintaining test and product catalogues and writing reusable modules for use in configuration management.

Involved in automation by using Puppet running On RedHat Linux with around 500+ clients to automate the process of deploying/testing the new builds in each environment, setting up a new node and configuring machines/servers.

Production experience in large environments using configuration management tools like Puppet and involved in developing manifests.

Monitored physical and virtual servers remotely using Nagios.

Strong knowledge of TCP/IP, UDP, DNS network, load balancing, firewalls and enterprise monitoring tools Splunk.

Expertise includes bash, shell, Perl and Python scripting with focus on DevOps tools and CI/CD Architecture.

Installed and Configured the Apache Tomcat application servers for Dev and Integration Test Environments.

Installed and configured WebLogic Server 8.6 and WebLogic Server 9.2 for both development and production environments.

Expertise in VMware environment architecture, maintenance and performance tuning the Virtual environment.

Involved in sprints and planned releases with the team using JIRA and Confluence.

Day to day problem handling like related to File Systems, Disk, Memory, CPU, Network etc., user administration, adding and removing user accounts, changing user attributes.

Experience using Kick Start and modified Kick Start based on server profiles and hardware specifications and performed Kick Start/PXE installations of RHEL.

Actively involved in AGILE/SCRUM Methodologies of project execution.

Installing, configuring JBoss 4.3 on Linux, UNIX servers, integrating it with Apache server.

Environment: Puppet, Kickstart, Cron, Perl, Nagios, Jenkins, LVM, Veritas volume manager, MySQL, DB2,Oracle PL/SQL, Maven, Git, RPM, VMWare ESX, Ubuntu, WebLogic, Web Sphere,Tomcat, shell script, Bash, KSH, SuSe, RedHat, CentOS.

APOLLO HOSPITALS INDIA

UNIX/LINUX ADMINISTRATOR

SEPT 2010 – OCT 2011

Installed, configured, troubleshoot, secured and supported RedHat 4/5/6, AIX, CentOS 3/4/5 and SuSe Linux9/10 servers and production servers. Tuning the kernel parameters based on the application/database requirement.

Troubleshooting system - OS level and Hardware level. Installation, configuration and troubleshooting of Ubuntu, CentOS 6/7 on both standalone and virtual environments. Build YUM and RPM repository Server for Development team to upload packages

Configuring multipath, adding SAN and creating physical volumes, volume groups, logical volumes(LVM).

Worked on various applications like Nagios and improving their performance by performance tuning and analysis.

Responsible for change management, troubleshooting and resolution of server issues for end users support.

Involved in migrations and conversions of AIX and Linux servers from Physical to virtual and virtual to virtual.

Performed automated installations of Operating System using Jumpstart for Solaris and Kickstart for Linux.

Configured IP bonding for failover load balancing and configured multipath for SAN.

Installed and verified that all AIX/Linux patches or updates are applied to the servers.

Install, configure and troubleshoot Virtualization technologies such as XEN, VMware, Pacemaker, DRBD VMware, LPAR, and VIOS.

Document errors, workarounds required, integration problems, security and deployment issues.

Performance monitoring with ps, say, top, Iostat, vmstat, free, lsof and Other Tools.

Run continuous development and deployment processes using automation.

Daily maintenance of GIT source repositories and builds. Experience in Installing, Configuring and administering JBoss.

Prepared workflow for build and release management using SVN repository and Hudson build management tool.

Setting up Splunk monitoring on Linux and Windows systems. Creating and cloning virtual machines in VMware environment using Virtual Infrastructure client and vSphere. Worked with DRBD and Pacemaker cluster tools.

Perform daily maintenance routines on Linux servers, monitoring system access, managing file space and tuning the system for optimum performance. Installing and configuring Apache and supporting them on Linux production servers.

Writing shell scripts for Automated Backups and Cron Jobs. Worked with Remedy ticketing system and provided 24/7 on-call support for production.

Environment: Red Hat Linux 4/5, Oracle 10/11g BMC Tools, Subversion (SVN), NAGIOS, NetBackup, Korn Shell, Bash Scripting, Veritas, web servers, LDAP directory, Active Directory, BEA Web logic servers, SAN Switches, Apache, Tomcat WebSphere, PHP, JavaScript, HTML, CSS and MySQL.

MRL POSNET INDIA

UNIX/LINUX ADMINISTRATOR

JUNE 2009 – AUG 2010

System Administration, System Builds, Installs, Upgrades, Patching, Migration, Troubleshooting, Security, Backup, Disaster Recovery and Performance Monitoring on Linux/AIX/Windows Operating Systems.

Proficient in configuring Kickstart servers to initiate installation of Red Hat Linux on several machines.

Worked with Version Control tools such as GIT and Subversion SVN.

Automate systems installation, configuration, maintenance, and recovery.

File system tuning, growing and shrinking with Veritas File system and LVM.

Basic understanding of SAN and NAS based storage arrays and the topologies.

Experience in Package Management using RedHat RPM/YUM and RedHat Satellite server.

Experience in writing Shell scripts using bash, for process automation of databases, applications, backup and scheduling.

Implemented Server consolidation and virtualization using XEN, VMware ESX and vCenter.

Dual Virtual Host Hardware Installation, configuration and administration. Migration from Xen to VMWARE. ESX installation and configuration, Vcenter Operations.

Installed and administration of Windows and Linux (Centos, Ubuntu and Red Hat) servers.

Installed, monitored and supported Apache and Tomcat Web and Application Servers in Linux environments.

Installing, configuring, supporting and troubleshooting Unix/Linux Networking services and protocols like NIS, DNS, NFS, DHCP, FTP, SSH, TCP/IP and HTTP.

Worked with RAID configuration-RAID 0, 1, 5.

Experience supporting 24x7 production computing environments. Experience providing on-call and weekend support.

Environment: Kickstart, Cron, Solaris, RedHat, Tomcat, Java, LVM, Nagios, Oracle Virtual box, VMware, SSH, RHEL, FTP, SCP, WinSCP, FileZilla, Bash, UNIX, LINUX, Putty

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