SUMMARY

• Dedicated 7+ years of experience in working as a Linux System Administrator on Redhat Linux, CentOs, Ubuntu, Debian, Fedora and Windows environments, Cloud computing such as Amazon Web Services (AWS) in DevOps through Continuous Integration (CI) and Continuous Deployment (CD) tools like Jenkins, Chef, Puppet.
• Configure Continuous Integration from source control, setting up build definition within Visual Studio Team Services (VSTS) and configure continuous delivery to automate the deployment of ASP.NET MVC applications to Azure web apps and managed Azure Active Directory, Office 365 and applied upgrades on a regular basis.
• Implemented a CI/CD pipeline with Docker, Jenkins (TFS Plugin installed), Team Foundation Server (TFS), GitHub and Azure Container Service, whenever a new TFS/GitHub branch gets started, Jenkins, our Continuous Integration (CI) server, automatically attempts to build a new Docker container from it.
• Worked with Terraform Templates to automate the Azure Iaas virtual machines using terraform modules and deployed virtual machine scale sets in production environment.
• Strong hands - on development and configuration experience with software provisioning tools like Chef and knowledge on Vagrant.
• Experience in Installing, upgrading and Configuring of Linuxflavours like RHEL, CentOs, windows.
• Experienced in writing Ansible playbooks to migrate deployments from shell scripts.
• Experience in writing chef cookbooks both for windows and Unix applications related to configuration management along with deployments using chef.
• Designed and Handled Git branching and Version strategy for Multiple teams
• Knowledge of Azure Site Recovery and Azure Backup Installed and Configured the Azure Backup agent and virtual machine backup, Enabled Azure Virtual machine backup from the Vault and configured the Azure Site Recovery (ASR).
• Expertise in Azure Scalability and Azure Availability - Build VMs availability sets using the Azure portal to provide resiliency for IaaS based solution and Virtual Machine Scale Sets (VMSS) using Azure Resource Manager (ARM) to manage network traffic.
• Experience in setting up Azure pipelines for .Net core and .Net framework applications
• Experience in TFS Azure integrations with Service Now, Sonarqube, BlackDuck
• Experienced in settings Grafana dashboards for Jenkins Master and Slave level metrics
• Experienced in setting up and Managing Jenkins Confidential with around 900 + Nodes
• Experienced in Jira administration for both cloud and On perm
• Experience in setting up the Chef Workstation, Chef Repo as well as Chef Clients.
• Worked in building new Chef Cookbooks for Apache, Tomcat, Web-based applications and for monitoring tools etc.
• Experienced in cloud automation using AWS cloud formation templates.
• Experience with CI (Continuous Integration) and CD (Continuous Deployment) methodologies using Bamboo and Jenkins.
• Configured various jobs in Jenkins for deployment of applications also used to automate software builds with one click.
• Strong experience in setting up the entire Chef infrastructure from scratch.
• Usedsource control tools such as SVN, GITHUB to save and manage software code base and revisions in a repository.
• Experience in Scripting languages Shell, Python and Ruby.
• Experience in writing the custom Shell scripts for managing various enterprise applications.
• Worked with log management tools like Splunk and Livelogs.
• Experience in server monitoring, application monitoring with the help of Sitescope, Sensu, Graphana, Graphite, Alertsite and New Relic.
• Experience in implementing Apache, Tomcat and MySQL database.
• Experienced in Project analysis, gathering user requirements, technical design.
• Highly organized, detailed oriented, able to plan, prioritize work and meet deadlines.
• Ability to work directly with all levels of management to gather user requirements.
• Experience in SDLC like Waterfall, Safe Agile and DevOps methodologies.

TECHNICAL SKILLS

Operating System: Linux (RHEL 4/5/6, CentOs 5/6/7, Ubuntu11/12/14, Debian, Fedora), UNIX, Windows 2008/2012/2016/2019

Configuration Management Tools: Chef, Puppet

Web/ Application Server: Apache, Tomcat, Nginx, JBoss, NodeJS, Java,Web Sphere

Virtualization: VMware Vsphere client

Issue Tracking: Jira, ServiceNow, BugZilla

CI Build Tools: Bamboo, Jenkins, GITLAB, Azure TFS

Version Control: Github, SVN, GIT

Protocols and Database: TCP/IP, MySQL, No SQL, Mongo DB

Monitoring: Graphana, Graphite, Alertsite, Appdyamics, Rainbow, Zabbix, New Relic, Splunk

Repositories: Nexus, Jfrog Artifactory

Cloud Technologies: Microsoft Azure

PROFESSIONAL EXPERIENCE

Confidential, Denver, CO

Site Reliability Engineer/ Sr.DevOps Engineer

Responsibilities:

• Deployed web applications such as Java, php and Node.js on multiple Tomcat and Apache server instances and maintained load balancing, high availability and zero down time fail over for the servers
• Worked very closely with Network Engineers, Developers and business teams.
• Worked on Server installations and new OS configurations and bootstrapping many nodes with Chef.
• Experience in creating and configuring instances in CISCO OpenStack private cloud.
• Worked on high-volume crash collecting and reporting system, built with Python.
• Experience in documenting the deployment and migration process.
• Launched AWS infrastructure various services such as EC2, S3, SQS, ELB, Security Group, Auto Scaling and RDS using Cloud Formation templates.
• Working with upgrading the patches for Linux and Windows-based servers.
• Involved in Server patching, kernel up-gradation and OS up-gradation.
• Managed several clusters and hosts in Vsphere client.
• Integrated Rundeck with bamboo and Jenkins for auto build deployments.
• Have written scripts in Ruby for automating various application level tasks.
• Maintained and created Shell scripts for automating various system processes.
• Provisioned AWS infrastructure using Terraform. Created new providers and resources to automate infrastructure provisioning.
• Collaborated with onshore and offshore development and operation teams globally.
• Involving in monitoring and metering for Infrastructure as a Service (IaaS) forOpen stack cloud and worked on Open stackmulti-node deployment.
• Created, configured and managed new AWS instances.
• Integrated CloudWatch with Chatops such as Slack.
• Implemented Chef Recipes for deployment on internal data center servers.
• Managed S3 buckets and created Elastic load balancers on AWS platform.
• Wrote Chef Cookbooks tested them using Kitchen tests, server and chef specs and and promoted them using Rake.
• Managed load of servers through F5 load balancer.
• Created new monitors in Site scope and added Sensu API handlers to service now ticketing system.
• Monitored traffic using Grafana and Graphite dashboards.
• Automated of disable and enable nodes in F5 load balancer prior and after code deployment.
• Have written chef cookbooks to deploy web applications like Apache, Tomcat, etc.
• Automated the deployments using Chef.
• Scheduled the Linux cron jobs and Jenkins for build automation.
• Managed log rotates on server.
• Involved in installing and configuring chef on multiple systems and bootstrapped nodes.

Environment: RHEL, CentOS, Amazon Web Services, VMware vCenter, VMware ESXi 5.5/6, Chef, OpenStack, Apache, Tomcat, Splunk, Jenkins, Rundeck, TCP/IP, DNS, F5Big-IP, Sitescope, Appdyamics,Couchbase,Firewalls, Rainbow, vRealize, Maria DB, Python,Ruby.

Confidential, Atlanta, GA

Build and Release/ DevOps Enginner

Responsibilities:

• Identified and analyzed the issues that hamper the performance of the system, and to work in close coordination with the product development team and recommend the solutions for the issues.
• Worked on creating and managing the nodes via Chef.
• Debugging Chef Recipes and their execution trying to pull logs into Splunk and monitor deployments.
• Worked on managing IT infrastructure and application stacks using AWS Cloud Formation templates.
• Involved in deploying various applications like PHP, Node.js, Java builds using Amazon Elastic Bean Stalk.
• Promoted RDS for different environments in AWS and synced S3 buckets for the purpose of deployments.
• Created Cloud Watch dashboards, Alarms and Metric Filter based on logs.
• Automated infrastructure provisioning with Chef.
• Supported HA services and administrated MYSQL, SQL Server, Amazon EC2 and Node.js.
• Implemented and maintained the branching, tagging, merging strategies utilizing Git.
• Responsible for design and maintenance of the Subversion/GIT, Stash Repositories, views and the access control strategies.
• Developed and managed delivery pipeline and prioritized functioning period and quick server response time.
• Implemented automated scripts using Bash, Perl, Python scripts as when required at various levels.
• System performance tuning, User maintenance and security.
• Bootstrapped windows nodes through chef.
• Managed and optimize the continuous delivery tools like Bamboo and Jenkins.
• Moved large files by tracking the file transfer using Signiant file transfer software.
• Experience in monitoring and creating alerts with Sensu and New Relic.
• Comfortable and flexible with installing, updating and configuring various flavours of Linux and Windows.
• Implemented Chef to deploy the builds for Dev, QA and Production Environments.
• Creation, modification and deletion of user ID’s in Windows Active Directory (AD).
• Experience in Idrac firmware updates and ESXi upgrades of clusters from version 5.x to 6.0 in VMware Vsphere client.
• Worked as a cybersecurity leader in daily sprint standups, providing ownership for all aspects of the security life cycle in the product release.
• Developed automation and deployment utilities using Ruby and Bash.
• Involved in complete environment migration from Puppet to Chef Configuration management.
• Provisioned new virtual machines using AWS and Open stack cloud.
• Worked with App dynamics and Nagios for application and server status monitoring.
• Automated build pipelines and created new deployment plans in Bamboo.
• Created appropriate documentation for new server setups and existing servers.
• Developed organizational units in Active Directory and managed user security with group policies.
• Administered several windows active directory, exchange and file servers.
• Collaborated with the development team to troubleshoot and resolve complex issues.

Environment: Chef, Puppet, AWS, CentOS, Ubuntu, Windows, Bamboo, Jenkins, Splunk, VMware, Bash, Nagios, Git, FTP, DHCP, MySql, SQL server, Oracle, Active Directory, User Accounts, Sensu.

Confidential, Atlanta, GA

Development Operations Consultant

Responsibilities:

• New OS installations and configurations as per application requirements.
• Experience in server patching, kernel up-gradation and OS up-gradation.
• Automating application compilation and deploying through Shell and Perl.
• Involved in provisioning and hardening of new servers.
• Experience in Idrac firmware updates and template updates in VMware Vsphere.
• Created branches and managed the source code for various applications in GIT.
• Taking critical data backup and restring the data as per request.
• Managing sudo privileges for users.
• Eliminated extended downtime of network and processes by installing and configuring a Nagios server to monitor Windows/Linux servers.
• Managing DNS, NFS and samba server for local servers.
• Involved in assigning IP address and DNS entries of various hosts
• Worked on migrating of servers from one cluster to other and renaming of hostnames.
• Installed, configured and managed critical systems like DNS, NFS, Samba and FTP servers.
• Created Perl scripts for different applications and checking the code to Github.
• Provided cyber security technical thought leadership, injecting secure coding standards and best practices into daily scrums.
• Managed, monitored and tested individual and group user access privileges and security.
• Involved in creating, configuring and managing internal mail relay servers.
• Involved in troubleshooting issues and managing incidents in samanage.
• Worked on ESXi upgrades of different datacentersin VMware.
• Involved in resolving DNS lookups, Secure socket layer and Firewall issues.
• Configured Network maps in Load balancers to allocate traffic between servers.
• Managed version control systems like SVN and Github.
• Performed scheduling jobs using cron and ‘at’ jobs.

Environment: CentOs, Windows, Nagios, Sudo, Samba, FTP server, Ngnix, SMTP, MySQL, Github, cron, samanage, DNS, user accounts, Firewall, Altertsite, Message queue.

Confidential

Programming Analyst

Responsibilities:

• Installed various servers and configured them from scratch for different environments like dev, test, staging and prod.
• Created and managed servers in VMware, Vsphere and ESXi.
• Addition, Deletion and Modification of users for SUDO access to the system.
• Configured multiple instances of postfix and mysql.
• Installed and Configure customized versions of MySQL, Apache, Sendmail & Php on RedHat Enterprise servers.
• Build virtual Linux server and Windows server using VMWare when needed for testing.
• Provisioned and managed mail servers like postfix and dovecot.
• Deployed and managed 2/3 tier applications with Apache, Tomcat, MySQL and Ngnix.
• Managing services using Zabbix monitoring tool, configuring zabbix node for newly build server.
• Managing users through LDAP.
• Created and maintained file systems and performed RAID configuration on Linux.
• Used logical volume manager for the management of volumes including creation of physical and logical volumes on Linux.
• Installed and configured Tomcat Application Server, FTP server and also configured, maintained mission critical systems like DNS, DHCP and sendmail.
• Automating system process by shell script.
• Monitored system performance, server load and bandwidth issues.
• Performed code pushes and maintained change documentation.
• Involved in performance management, analyzing logs, and troubleshooting.
• Regularly manage backup process for server and client data.
• Provided frontline support to the service ticket requests like login failures, account creation, process management, restarting the apache, DNS services, resolve the SSH login problems.