PROFESSIONAL SUMMARY:

• DevOps Engineer over 3 years of experience with emphasis in DevOps methodologies and focused on Automation of Build/Deployment/Environment Management areas by implementing CI / CD pipelines to help teams deliver a better and reliable software into Cloud, Virtual and Physical environments.
• Experience in all phases of the software development life - cycle (SDLC) with specific focus on the build and release of quality software. Experience in Waterfall, Agile/Scrum methodologies.
• Collaborate with development support teams to setup a continuous delivery environment with the use of build platform tool Docker and virtualize the servers on AWS using the Docker; create the Docker files and version control.
• Designed, configured and managed public and private cloud infrastructures with the help of Amazon Web Services (AWS), which including EC2, Auto-Scaling, Elastic Load Balancer, Elastic Beanstalk, S3, Glacier, Cloud Front, RDS, VPC, Direct Connect, Route53, Cloud Watch, Cloud Formation, IAM.
• Experienced in CI/CD pipeline using Jenkins to implements code coverage, unit test plug-ins which includes to auto promote builds from one environment to another, for various tasks.
• Hands on experience using JENKINS, MAVEN and ANT as build tools for the building of deployable artifacts from source code.
• Installed and configured an automated tool Puppet that included installation and configuration of Puppet master, agent nodes and an admin control workstation.
• Developed Puppet manifest to manage system configuration and for Tomcat and MySQL and versioned them on GIT repositories.
• Considerable knowledge in Chef.
• Considerable experience in using different source code version control tool like GIT, GIT Hub, GIT lab.
• Created GIT configuration record for builds using derived objects generated during build audit process. Used JIRA as Issue Tracking Tool.
• Proficiency in writing automation scripts which analyze and monitor the system performance through various systems using Shell, Power Shell, Ruby, Python, Java to support infrastructure as code, continuous deployment.
• Administration and Maintenance of software services like FTP, SFTP, TCP/IP, HTTP, NFS, SCP, SAMBA, VMWare, DNS, DHCP, LDAP, Firewall, Kickstart and SMTP on servers.
• Worked on variety of Linux platforms Red Hat Enterprise Linux, CentOS, which includes installation, configuring and maintenance of applications on this environment.
• Strong experience in Backup, Job Scheduling, Disk Management, Logical Volume Management (LVM) , Logical Partitioning, troubleshooting network problems, recovery system performance monitoring, kernel tuning and debugging OS failure.
• Knowledge in working with SAN storage systems and SAN volume controllesr.
• Good knowledge in relational and NoSQL databases like MySQL , SQL Server, Oracle , DynamoDB , MongoDB .
• Provided day-to-day user administration like adding/deleting users and managing user’s queries.

TECHNICAL SKILLS:

Containerization tools: Docker

AWS Services: EC2, ELB, VPC, RDS, AMI, IAM, Cloud formation, S3, Cloud watch, Route 53. Cloud formation. Glacier

Bug Tracking tools: JIRA

Build Tools: Ant, Maven

Cloud Environment: AWS

Configuration Management Tools: Puppet, chef

CI/CD Tools: Jenkins

Databases: My SQL, Oracle, NOSQL.

Linux Flavors: Ubuntu, RedHat.

Operating Systems: Windows, UNIX, Linux, RHEL.

Scripting Languages: Bash, Python, C, Java, HTML

Version Control Tools: GIT, GIT Hub.

Web/Application Servers: WebSphere, Apache Tomcat, WebLogic

Web Technologies: CSS, jQuery, Junit, Java Script, XML

Monitoring Tools: Cloud Watch, Nagios

WORK EXPERIENCE:

AWS/DevOps Engineer

Confidential

Responsibilities:

• Design highly available, cost effective and fault tolerant systems using multiple EC2 instances, Auto Scaling, Elastic Load Balancer and AMIs.
• Execute user administration and maintenance tasks including creating users and groups, reports and queries. Expert in user management and plugin management for Jenkins.
• Define AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed to reach one or more AWS EC2 instances.
• Deploy Puppet, puppet dashboard and Puppet DB for configuration management to existing infrastructure. worked on Puppet Master and Puppet Agents. Defined Puppet Master and Puppet Agents to manage and configure nodes
• Use AWS Beanstalk for deploying and scaling web applications and services developed with Python, Docker on familiar servers such as Apache.
• Create Puppet manifests and modules to automate system operations. Created monitors, alarms and notifications for EC2 hosts using Cloud Watch.
• Configure and managing daily and hourly scheduled snapshots backup and restore the data.
• Utilize Nagios based Open Source monitoring tools to monitor Linux Cluster nodes configured using Red Hat Cluster Suite.
• Work on creating the Docker containers and Docker consoles for managing the application life cycle. Worked on various Docker components and Docker Registry.
• Experience involving configuring S3 versioning and lifecycle policies to and backup files.
• Design roles and groups for users and resources using AWS Identity Access Management (IAM) and managed network security using Security Groups, and IAM.

Linux System Administrator

Confidential

Responsibilities:

• Installing, configuring and updating Red Hat Enterprise Linux 4.x/5.x, CentOS, Windows Systems using media and Jumpstart and Kickstart.
• Installed, configured, and maintained application servers Oracle WebLogic 11g/12c, Tomcat, and Web Servers Oracle HTTP Server (OHS), WebSphere, IIS.
• Diagnosing, troubleshooting, and resolving performance issues along with other application, network and system problems.
• Building up virtual machines with VMware and participated in disaster recovery planning, implementation and testing.
• Maintained various activities like User & Security administration, multiple backup & recovery technologies (Snapshots, Disaster Recovery plan).
• Maintaining the CPU & Memory utilization of SUN Servers reports on the WEB.
• Setup and maintained NFS, DNS, NIS, and TCP/IP network and knowledge in LDAP Server.
• Managing various Network related tasks such as TCP/IP, NFS, DNS, DHCP and SMTP.
• Worked on process scheduling, disk and file system I/O, kernel internals, TCP/IP networking.
• Implemented solutions that reduced single points of failure and improved system uptime to 99.9% availability.
• Creation of Volumes and file systems on SAN disks using Red hat LVM Manager.
• Administered RPM Package for installing, upgrading, and checking dependencies. Reconfiguring RPM database using RPM Build and creating YUM repository in Red hat Linux.