SUMMARY:

• Over 8+ years of experience in system administration working on RedHat Linux, Debian Linux, Amazon Linux and windows environments.
• Experience in creating the company's DevOps strategy in a mix environment of Linux (RHEL, Ubuntu) servers along with creating and implementing a cloud strategy based on Amazon Web Services.
• Experience configuring and updating the servers using configuration management tools like Chef, Puppet and Ansible
• Virtualized the servers on AWS using the Docker, created the Docker files and version controlled them.
• Developed complex build, test, provision, secure and deployment systems and providing support to a large community of developers and testers
• Conducted the Devops Process Planning.
• Automating Deployment of Servers on VMWare ESXI and Cloud
• Managed servers on the Amazon Web Servicies (AWS) platform instances using Puppet, chef configuration management
• Created and maintained various DevOps related tools for the team such as provisioning scripts, deployment tools, and development and staging environments on AWS and Cloud.
• Provisioned and deployed the AWS resources using the Puppet and OpsWorks.
• Experience configuring puppet, chef and ansible on various servers.
• Experience in configuring the Continuous Integration tools like Jenkins, Bamboo and Hudson.
• Version control and source code management using the GitHub, SVN and TFS.
• Strong understanding of Java Project structure.
• Automation of build process (Build Automation) using the Jenkins, Bamboo, Maven and Git.
• Participated in various application life cycle development steps from development, QA to production.
• Integration of Sonar and Selenium with Jenkins to automate the testing of java applications and provided the Acceptance test driven development (ATDD).
• Configured the servers with the Nagiosmonitoring and monitored the performance metrics of the production servers.
• Experienced in Installing, Upgrading, Patching, Configuring and Administrating Red Hat Linux
• Strong skills in managing Red Hat Linux servers,Virtualization, and system security.
• Supported installation of Oracle database (RAC) on Linux servers associated with DBAs.
• Experience with Apache/Tomcat, Load Balancer (Apache, Nginx, HAproxy) and expertise in making configuration changes.
• Knowledge in load balancing and setting up load balancer and firewall rules in and enterprise environment
• Provided 24x7 production support and development environments. Ability to communicate requirements effectively to team members and manage applications.
• Self - motivated and I can easily adapt new technologies and tools.
• Ability to work in both independent and Team environments

TECHNICAL SKILLS:

Configuration Management Tools: Chef, Puppet and Ansible

Continuous Integration Tools: Jenkins, Hudson, Bamboo

Operating Systems: CentOS 5/6/7 and Ubuntu

Databases: MySql, MariaDB, MongoDB

Build Tools: Ant, Maven

Cloud Services: AWS, RackSpace

Version Control/Repository: GitHub, SVN and TFS

Application Servers: Tomcat, JBOSS, WebLogic

Web Servers: Nginx, Apache

Scripting Languages: Bash, Python, Ruby

Virtualization: VMware, Docker, vagrant

Command Line Editors: Vim, Vi, Nano

Test Tools: Sonar, Selenium

Web Technologies: HTML, XML

Monitoring Tools: Nagios,New Relic, cloudwatch

PROFESSIONAL EXPERIENCE:

Confidential, Austin, TX

Devops/AWS Engineer

Key Responsibilities:

• Hands on experience with AWS Cloud services like EC2, VPC, S3, IAM, Route 53 and Lambda.
• Experience leading solutions development and complex technical deployments across cross-functional teams.
• Created multi branch pipelines and automated build and deploys using jenkins and ansible.
• Integrated Git, Junit Testing and Selenium in continuous deployment.
• Automated creation of immutable infrastructure (EC2, VPC, ELB, Auto-Scaling etc) using terraform.
• Built and tested .Net code using msbuild and mstest.
• Created nuget packages for the application teams to reference them across multiple code repositories.
• Created certificates using aws certificate manager and applied them across ELBs and EC2s.
• Set up both classic and application load balancers as per the requirements of the application teams.
• Used shared libraries across multiple jenkinsfiles to create re-usable codes.
• Integrated build/deploy pipelines with emails/Slack/MSTeams so that appropriate teams are notified on status.
• Created PowerShell and linux shell scripts to automate the housekeeping of the servers.
• Promoted builds accross various environemnts such as sandbox, dev, qa, sat, prod and DR.
• Maintained and managed jenkins in terms of plugin management, user access, configuration management.
• Integrated jenkins with aws plugin so that the jenkins slaves are online only when called, resulting in cost savings to the customer.
• Wrote docker files to automate database deployments on oracle linux containers.

Tools: Ansible, Jenkins, docker, docker-compose, jfrog artifactory, msbuild, mstest, linux shell scripts, powershell scripts, groovy scripts, .Net Builds, Nuget, TFS-GIT, Terraform, Kibana

Confidential, Houston, TX

Devops Engineer

Key Responsibilities:

• Experience automating patching of the servers using packer.exe
• Created scripts for generating the governance reports for the ami usage by application teams. administratoraws using OKTA/AD integration and managed more than 50 aws accounts and restricted access across different accounts using appropriate IAM roles/Policies etc.
• Created cross reference service accounts for different AWS Services to work with each other seamlessly.
• Setup datadog monitoring across different servers and aws services.
• Created datadog dashboards for various applications and monitored real-time and historical metrics.
• Created system alerts using various datadog tools and alerted application teams based on the escalation matrix.
• Integrated cloudcheckr, Datadog, Splunk Dashboard with aws accounts.
• Provided financial reports regarding reserved instance usage, right sizing, and under-utilized/idle/unused resources across various aws accounts.
• Created scripts in python for taking auto backups of the db snapshots and saving them across different accounts and integrated the scripts with aws lambda.
• Automated generation of AMIs using Packers and installed various msis such as cylance, crowdstrike etc.
• Created Incident management process and worked with various different teams during resolution of P1/P2 incidents.
• Provided L1/L2 support and acted as first line of defense to different application and infra related issues.
• Experiance using different AWS Security tools such as CloudTrail, GuardDuty etc.
• Monitored performance and history of infrastructure with tools such as CloudWatch, Datadog etc.
• Promoted builds using TeamCity/GoCD to differetn higher environments.

Tools: Chef, AWS, Terraform, Packer, linux shell scripts, powershell scripts, Datadog, Splunk, CloudCheckr, python scripting, TeamCity, GoCD, SVN

Confidential

Systems Administrator -IT-Solutions

Key Responsibilities:

• Responsible for installation, configuration of Linux servers using jumpstart methods.
• Volume and file system management in Linux environments (LVM).
• Installed, configured and hardened Solaris and Linux servers, evaluated needs and installed appropriate recommended patches as needed.
• Configured and maintained Solaris virtual environments. Installed multiple sparse and whole root zones within one physical instance of Solaris 10.
• Performed data management using native Solaris utilities for archiving and compression.
• Used VI editor to edit necessary files.
• Experience with LDAP authentication.
• Preventive maintenance (OS Patching) of red hat enterprise Linux (RHEL).
• Performed data management using native Linux utilities for archiving and compression
• Administered user accounts
• Troubleshooting user logins using various remote login utilities.
• Proficient in troubleshooting system problems.
• Performed administration and monitored job processes using associated commands.
• Monitored client disk quotas and general disk space usage. System performance monitoring and tuning.
• Maintaining and troubleshooting network connectivity.
• Set up mount points on Solaris servers for Oracle database.
• Customized user environment for users.
• Monitored system logs.
• NFS/CIFS file system mounting and support.
• Performance Monitoring and capacity planning in anticipation of system resource usage and needs.
• Setup ZFS quotas, reservation and automatic NFS-share of directories
• Have knowledge in installing and configuring VERITAS volume manager.
• Implemented RAID 0-5 solutions with VERITAS Volume Manager.
• Setup Role-Based Access control
• Monitored TCP/IP network environment
• Experience with Internet technologies including TCP/IP and HTTP
• Familiarity with network systems such as servers, switches, firewalls and routers.
• Knowledge of Internet and networking infrastructure design.

Confidential

UNIX System Administrator

Key Responsibilities:

• Managed and carried out system maintenance, hardware replacements and upgrades. Performed system patch and software analysis, installs and configuration.
• Installed and Configured RHEL 3/4/5 on Intel and AMD hardware
• Participated in upgrading and migrating to newer versions.
• Perform Linux Kernel tuning for web, database and application servers.
• Installed and configured Apache Web server and integrated with WebLogic server 8.1/9.1/9.2.
• Writing shell scripts for Automated Back- ups and Cron Jobs using sh and bash.
• Managed user accounts and groups for corporate Linux users.
• Managed and support corporate Linux Development servers.
• Responsible for OS installs, system configuration and upgrades.
• Manage and perform change control and administration on application servers, web servers, and database servers in company's mission critical production, staging and development environments.