Ashok k

Summary

Over *+ years of experience in IT industry comprising of Two years of Linux Systems Administration and SIX years of Software Configuration Management (SCM). Extensive experience includes SCM, DevOps Build/Release Management, Change/Incident Management and Cloud Management.

Experienced in implementing Puppet and Ansible.

Build and Continuous Integration with like Ant/Ivy, Maven, Jenkins/Hudson, Bamboo, Gradle, and.

Experience with Version Control Systems like GIT, CVS, SVN (Subversion), ACCUREV, Perforce, and IBM Rational Team Concert.

Extensive experience using MAVEN and ANT as a Build Tool for the building of deployable artifacts (war & ear) from source code.

Expert in deploying the code trough web application servers like WebSphere/WebLogic/ApacheTomcat/ JBOSS.

Experience in using Build Automation scripting like MAVEN, ANT and MSBUILD as build tools for building of deployable artifacts (JAR, WAR & EAR and DLL & EXE) from source code.

Experience using cloud providers and API’s for Amazon (AWS) Ec2, S3, VPC, SNS, AMI with Cloud Sigma (EU) and GFS storage.

Experience in Installing Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.

Experienced in implementing and maintaining an Apache Tomcat /MySQL/PHP, LDAP, LAMP web service environment.

Experienced in Trouble shooting and Backup and Recovery.

Strong knowledge on source controller concepts like Branches, Merges and Tags.

Experience in using bug tracking systems like JIRA, Remedy, HP Quality Centre and IBM Clear Quest

Experience on AWS cloud services like EC2, S3, RDS, ELB, EBS, VPC, Route53, auto scaling groups, CloudWatch, CloudFront, IAM for installing configuring and troubleshooting on various Amazon Images.

Build servers using AWS: Importing volumes, launching EC2, creating security groups, auto-scaling, load balancers, Route 53, SES and SNS in the defined virtual private connection.

Collaborate in the automation of AWS infrastructure via CloudFormation and Jenkins - software and services configuration via Ansible playbooks

Implemented Trip wire and Digital board band. Implemented active directory.

Experience in integrating Unit Tests and code Quality Analysis Tools like JUnit, and Find bugs.

Knowledge in working with dockerfile.

Expertise in scripting for automation, and monitoring using Shell, PHP, Python & Perl scripts.

Good understanding of OSI Model, TCP/IP protocol suite (IP, ARP, TCP, UDP, SMTP, FTP, and TFTP)

Technical Skills:

Config Management

Puppet, Ansible, Docker, Maven, Nexus, Ansible, Artifactory.

Test and Build tools

Jenkins, ANT, MAVEN, Bamboo, Hudson and Gradle.

Issue tracking tools

Jira, Bugzilla.

Version control system

GIT, CVS, SVN, RTC, source tree

Programming Languages

Java J2EE SQL, HTML, PHP, XML, Bash, Perl and Shell Programming, JSP, Ruby.

Web/Application Servers

Tomcat, Apache, Web logic, WebSphere and JBoss

Infrastructure as service

AWS, OpenStack.

Database

SQL server 2008R2/2012, Oracle 11g, MySQL, RDS,Aurora

Disk Management Tools

Solaris Volume Manager (SVM), ZFS, Zones, Veritas Volume Manager, File system, Sun Solstice Disk Suite, Red Hat LVM.

Network Protocols/Services

LDAP, TCP/IP, UDP, FTP, SFTP, HTTP/HTTPS, SSL, NIS, NIS+, NFS, DNS, and DHCP

Professional Experience:

Semantic Bits, Herndon, VA Dec 2015– present

AWS DevOps Engineer

Responsibilities:

Creating the automated build and deployment process for application, re-engineering setup for better user experience, and leading up to building a continuous integration system for all our products.

Implementing new projects builds framework using Jenkins & maven as build framework tools.

Responsible for nightly and weekly builds for different modules.

Configured Elastic Load Balancers with EC2 Auto scaling groups

AWS Code Deploy plugin to deploy to AWS

Defining Release Process & Policy for projects early in SDLC.

Responsible for Java Application Server administration and tuning experience (e.g. JBoss, WebSphere, Tomcat, WEB LOGIC

Experience on AWS cloud services like EC2, S3, RDS, ELB, EBS, VPC, Route53,

Auto scaling groups, CloudWatch, CloudFront, IAM for installing configuring and troubleshooting on various Amazon Images.

Build servers using AWS: Importing volumes, launching EC2, creating security groups, auto-scaling, load balancers, Route 53, SES and SNS in the defined virtual private connection.

Creating alarms in CloudWatch service for monitoring the server’s performance, CPU Utilization, disk usage etc.

Installed, Setup and configure various Jenkins jobs for application deployments, test cases execution.

Using Puppet for creating modules and manifest for automation of infrastructure puppet.

Installing and deploying of apache module through puppet.

Managed users and groups using the Amazon Identity and Access Management (IAM).

Maintaining the user accounts (IAM), RDS, Route 53, SES and SNS services in AWS cloud

Setting up privatenetworks and sub-networks using VirtualPrivate Cloud (VPC) and creating security groups and access control lists to associate with the networks.

Defined AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed to reach one or more AWS EC2 instances

Environment:Git, Jenkins, Puppet, Maven, AWS, Ec2, WebSphere, ANT, Putty, Confluence, SOA, Team Foundation Server (TFS)

SAP America, Reston VA Jan 2014– Nov 2015

DevOps Engineer

Responsibilities:

Collaborated with Development and Support teams to setup a CD (Continuous Delivery) environment with the use of Docker and Wercker, continuous build and delivery tools.

Conducted business impact analysis & risk assessments of business functions. Accordingly, designed, developed, documented and implemented Disaster Recovery infrastructure for mission critical servers.

Implementing new projects builds framework using Jenkins&Maven as build framework tools

Worked on Cloud automation using AWS Cloud Formation templates.

Developed automation framework for Application Deployments to the cloud environments

Worked on migration from Datacenter to AWS.

Worked on Multiple AWS instances, set the security groups, Elastic Load Balancer and AMIs, Auto scaling to design cost effective, fault tolerant and highly available systems.

Implemented rapid-provisioning and life-cycle management for Ubuntu Linux using Amazon EC2, CHEF, and custom Ruby/Bash scripts.

Managed and optimize the CI (Continuous Integration) tools like Jenkins.

Install, Configure, Administer Hudson/Jenkins Continuous Integration Tool

Written CHEF Cookbooks for various DB configurations to modularize and optimize end product configuration.

Implemented Chef Recipes for Deployment on build on internal Data Centre Servers.

Automate Continuous Build and Deploy Scripts for Hudson/Jenkins Continuous Integration tool.

Provide stable build environments for product development.

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

Develop Custom Scripts to monitor repositories, Server storage.

Written Bash/ Shell scripts according to the requirement.

Worked on Administration, maintenance and support of Red Hat Enterprise Linux (RHEL) servers.

Experienced with RESTful API's of Elastic Search to analyze, search and visualize real-time data.

Scripting & automating tasks using Bash for backup, monitoring and file processing.

Upgrading Production Environment servers for Stability and Security.

Implemented Nagios monitoring solution for mission critical servers.

Accumulated application and system logs into LogStash for centralized monitoring, querying and reporting.

Continuously updating documentation for internal knowledge base of support team and IT team.

Environment: DevOps, Redhat (5.x), EC2, ELB, CloudWatch, Cloud Formation, Chef, AWS, Jenkins, Maven, Ant, GIT, Docker, Wercker, Apache, Nagios, MySQL, Bash

Dominion Enterprises, Norfolk VAOct 2011 - Dec 2013

Cloud Engineer

Responsibilities:

Build servers using AWS: Importing volumes, launching EC2, creating security groups,

auto-scaling, load balancers, Route 53, SES and SNS in the defined virtual private connection.

Collaborate in the automation of AWS infrastructure via CloudFormation and Jenkins

and services configuration via Ansible playbooks.

Coordinated with the development team to build and deployment of Java applications on to different environments such as QA, UAT and Production.

Coordinated with the development team to provide guidance on webserver configuration, Load Balancer setup, auto scaling, CloudFormation creation.

Creating alarms in CloudWatch service for monitoring the server’s performance, CPUUtilization, disk usage etc.

Configured web application Instance (Tomcat, Apache) to connect to resources in another AWSVPC & determine the latest version to be used based on compatibility of host and configure new upgraded app server to work for the specific application.

Deploying different Applications (WAR, JAR, and EAR) in Domain and Clustered environment.

Configuring JBoss EAP server to use HTTPS connector and installing/configuring internal CA certs in NSS DB with FIPS mode enabled.

Created war files & deployed on Tomcat using ANT deployment tool.

Created CloudFormation template stacks to automate for building new VPCs using JSON files.

Created Snapshots and Amazon Machine Images (AMI's) of EC2 Instance for snapshots and creating clone instances.

Environment: Subversion (SVN), Jenkins, Puppet, Java/J2EE, ANT, MAVEN, Spring MVC, PerlScripts, Shell Scripts, XML, Linux and Jira.

Krifal IT Ventures, Hyderabad, India Oct 2009 – Sep 2011

Web Developer

Responsibilities:

Involved in developing the JSP pages of the Web application.

Involved in designing the web pages using HTML and CSS style sheets for enhancing the appearance of the page.

Configured Web Logic server 8.0 and deployed the JSP pages into web logic server.

Developed the modules using MVC architecture with Spring.

Used xml file for connectivity between JSP pages.

Developed and implemented a database structure (MS SQL Server).

Developed the entire Scholarship module for the students to enroll for applying scholarships online.

Follow entire lifecycle of projects from search engine optimization and registration, to implementing updates and maintenance of web sites.

Authored JavaScript for application forms validation, business rules enforcement and DHTML features

Engineered dynamic, optimized SQL calls to produce efficient database processing and data access.

Involved in generating dynamically passwords for newly created users and updating the information through dynamically sending them emails.

Involved in Unit testing the entire module with the duplicate data generated.

Environment:Java, JSP, Servlets, Springs, Hibernate, HTML, CSS, JavaScript, Web Logic Server,Windows XP.

Client: CVL Soft Pvt Ltd, India June 2007 - Sep 2009

Linux Administrator

Responsibilities:

Installation, configuration and administration of Red Hat Linux servers and support for Servers.

Installation, maintenance and regular upgrades of Red Hat Linux Servers using kick start based network installation

Provided 24x7 System Administration support for Red Hat Linux 3.x, 4.xservers and resolved trouble tickets on shift rotation basis.

Provide the support of building the server, patching, user administration tasks, deployment, software installation, performance tuning and troubleshooting and KVM.

Managing Compaq and Linux workstations and servers.

Installation of patches and other software packages

Disk and File system management through Solstice Disk Suite on Solaris and other logical volume manager for other flavor of UNIX.

Monitoring system performance, tune-up kernel parameter, adding /removing /administering hosts, users, disks on DNS / NIS domain,

Configuration of Hardware and Software RAID on Digital & Sun Servers

Installation of Oracle Patches and Troubleshooting, Creating and modifying application related objects, Creating Profiles, Users, Roles and maintaining system security.

Administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management, dumb terminals and devices carried out.

Environment: RED HAT LINUX 4.1,4.2,4.3,4.4,, SUNFIRE 4500/ V880 / V480/ E420R/ E450/ E250, SUNSTOREDGE L280, SUN STOREDGE A1000, A5000, JBODS COMPAQ SERVERS, SOLSTICE DISK SUITE, ORACLE 7.X/8.X

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