SUMMARY:

• Over 6 years of IT experience as a Linux System Administrator/AWS/DevOps engineer worked on several operating systems like Red Hat Enterprise Linux, CentOS, Ubuntu Linux, SuSE, Solaris and Windows.
• Extensively worked on Cloud Management me.e. Amazon Web Services, Configuration Management and Continuous Integration tools such as CHEF, Puppet, Jenkins and GIT.
• Experience in Linux Administration (Installation, Configuration, Tuning and Upgrades of Linux (RedHat and Oracle).
• Expertise in Red Hat Satellite Server installation, Red Hat Linux Kick start, System Imager, SUSE Autoyast and Jumpstart.
• Extensively worked wif Version Control Systems CVS, SVN (Subversion), GIT and TFS.
• Implemented Continuous Integration and deployment using various CI Tools like Jenkins, Puppet, Ansible, Chef, Hudson, Bamboo and Sonar Type Nexus.
• Monitored and fine - tuning system and network performance for server environments running Redhat Linux, Ubuntu, Solaris.
• Hardware and software RAID management of storage for redundancy and high performance.
• Extensive experience in AWS Cloud platform and its features which includes EC2, VPC, EBS, AMI, SNS, RDS, EBS, CloudWatch, Cloud Trail, CloudFormation, Autoscaling, CloudFront, IAM, S3, and R53.
• Experience of IaaS platform(s) like AWS, Azure and VMWare.
• Implemented Continuous Integration and deployment using various CI tools like Jenkins, Puppet, Chef, Dockers.
• Experience in Configuring and deploying Application Servers Web logic, WebSphere, Nginx, JBoss and Tomcat.
• Developed procedures to unify, streamline and automate application development and deployment procedures wif Linux Container technology using Docker and Kubernetes.
• Used Jenkins 2.0 and Pipelines which helped us drive all microservice builds out to the Docker registry and then deployed to Kubernetes.
• Created micro services using REST protocol wif Docker and Kubernetes, Utilized Mesos, Kubernetes and Docker for the runtime environment for the CI/CD system to build, test, and deploy.
• Good patch management experience on both physical and Virtual Linux/OEL servers on VMware and PCA, Solaris Servers, Zones/LDOM, using Red Hat Satellite/Spacewalk and Solaris IPS.
• Experience in VMware Installation and monitoring Virtual environments wif ESX/ESXi servers, Virtual Center and vSphere. Configuring and Administering NIS, LDAP and FTP on Linux.
• Installed and configured SAMBA server for Windows and Linux connectivity.
• Install/configure/maintain the Linux/Solaris servers, NIS, DNS, NFS, Mailing List, Sendmail, ftp, sshd.
• Experience using RPMs to TEMPeffectively package the applications for product deployments.
• Working wif Logical Volume Manager and creating of volume groups/logical and performed Red Hat Linux Kernel Tuning.
• Closely worked wif development, QA and other teams to ensure automated test efforts are tightly integrated wif the build system and in fixing the error while doing the deployment and building.
• Good Interpersonal Skills, team-working attitude, takes initiatives and very proactive in solving problems and providing best solutions.

TECHNICAL SKILLS:

Operating System: Unix, Redhat RHEL 5/6/7, Ubuntu, CentOS, SuSE, Solaris, Windows

Hardware & Storage: SAN/NAS, iSCSI, RAID 0/1/5/10, NFS, SAMBA, SATA, LVM

Networking: TCP/IP, DNS, DHCP, NFS, Samba, SMTP, FTP/TFTP, NIS, VPN, NETSTAT, ETHERNET

Web applications and Databases: APACHE, TOMCAT, JBOSS, WebSphere, Weblogic, MySQL, SQL DB, Oracle, No-SQL

Virtualization: ESXi, VSphere Client, VCenter Server, KVM

Shell Scripting: Bash, ksh, csh, Python, Perl, Ruby, JSon

Containerization: Docker, Kubernetes

CI/CD and CM tools: Chef, Puppet, Ansible, Jenkins, GIT

Monitoring Tools: Splunk, Nagios, Zabbix, Sumo logic, Service NowCloud Technologies: Amazon Web Services (EC2, S3, EBS, ELB, ASG, VPC, IAM, Glacier, Elastic Beanstalk, Red Shift, Route 53, Cloud Watch, Cloud Front, Cloud Formation, etc.), Azure.

PROFESSIONAL EXPERIENCE:

Confidential, Madison, WI

AWS Cloud/Linux Engineer

Responsibilities:

• Involved in designing and deploying a multitude application utilizing almost all the AWS stack (Including EC2, Route53, S3, RDS, DynamoDB, SNS, SQS, IAM) & used Mysql, DynamoDB and ElastiCache to perform basic database administration.
• Creating users wif root's privileges and users wif limited root's privileges called the Sudo users.
• Builds, installs and tests Windows, Linux, and VMware servers based on requirements from Design and Architecture or established standards.
• Installation of Redhat and VMware both interactively and wif automated Kickstart.
• Setting up and maintaining Domain Names System (DNS) services.
• Setup NFS and SAMBA file sharing setup on Linux and Windows servers working knowledge of TCP/IP.
• Created and maintained the Shell deployment scripts for WebLogic and web application servers.
• Worked wif different Bug tracking tools like JIRA, Remedy and HP Quality Center.
• Leveraged AWS cloud services such as EC2, auto-scaling and VPC to build secure, highly scalable and flexible systems that handled expected and unexpected load bursts.
• Managed version control tool Git to version code changes to help developers/programmers branch/merge/revert code.
• Configuration of LVM (Logical Volume Manager) to manage volume group, logical and physical partitions and importing new physical volumes.
• Analyze and troubleshoot on an advanced level, performance of SAN backed VMware ESX infrastructure to determine proper allocation of resources to a multi-department user population wif widely varying needs.
• Setting up Splunk and Nagios monitoring on Linux and Windows systems.
• Designed and developed automation test scripts using Perl, Ruby and Python.
• Virtualized the servers using Docker for the test environments and dev-environments needs and configuring automation using Docker containers.
• Followed agile principals and used Scrum for maintenance and Bug development tasks.
• Written and modified various AnsiblePlaybooks and Puppet Manifests for automation and deployment of systems.
• Troubleshoot the automation of Installing and configuring applications in the test environments.
• Analyzed the AWS Infra component from security perspective and provided the recommendations on IAM, Security Group optimization, NACL on subnets, NAT, firewall disabling Auto Public IP assignment, placing the servers in private subnet, S3 buckets etc.
• Automated daily tasks using Shell scripting to export/import database backups from RDS & keep the same in S3 (AWS Storage).
• Played a key role in automating the deployments on AWS using GitHub, Puppet and Jenkins.

Environment: AWS, EC2, S3, Route53, RDS, DynamoDB, SNS, SQS, IAM, EBS, Glacier, NACL, NAT, Elastic Beanstalk, Redshift, Mysql, Git, Splunk, Nagios, Perl, Python, Shell, GitHub, Puppet 3.x, Ansible, Jenkins.

Confidential, Sunnyvale, CA

AWS Cloud/DevOps Engineer

Responsibilities:

• Launching and configuring of Amazon EC2 Cloud Servers using AMI's and configuring the servers for specified applications.
• Experience in building and handling all aspects of installations, configurations, deployments, clustering and load balancing all middleware applications like Oracle WebLogic Servers (8.x/9.x/10.x), JBoss, Web Center Portal, Tomcat and Apache HTTP on UNIX (Linux/Solaris) platforms across all environments.
• Planning, deploying, monitoring, and maintaining Amazon AWS cloud infrastructure consisting of multiple EC2 nodes and VMware Vm's as required in the environment.
• Installation and configuration ESX hosts. Making new virtual machines, wif Linux Redhat server, making templates, cloning VMs using VMware VSphere client.
• Installation, configuration and maintenance of DNS servers, Mail servers, FTP servers, NFS, NIS, LDAP and Samba Web servers on Sun Solaris, and Redhat Linuxplatforms.
• Imported and managed multiple corporate applications into Subversion (SVN).
• Setting up Splunk, Nagios and Zabbix monitoring on Linux and Windows systems.
• On boarded and migrated test and staging use cases for applications to AWS cloud wif Public and Private IP ranges to increase development productivity by reducing test-run times.
• Design AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
• Utilize AWS CLI to automate backups of ephemeral data-stores to S3 buckets, EBS and create nightly AMIs for mission critical production servers as backups.
• Creating automated build and release environment using CI/CD Tools like Jenkins & Chef.
• Orchestration of Docker images and Containers using Kubernetes by creating whole master and node.
• Customized the RHEL AMI by using the Tomcat and WebLogic cookbooks.
• Used containerization technologies like Docker for building clusters for orchestrating containers deployment.
• Develop scripts and customization to OpenStack software and components to augment bank services and environments.
• Source code management, automated builds, lab management, testing and release management capabilities are carried out by using TFS.

Environment: s: VMware, RHEL Oracle Web Logic Servers 8.x/9.x/10.x, JBoss 9.x, Tomcat 8.x, AWS, EC2, AMI, S3, RDS, DynamoDB, EBS, Docker, Jenkins, Chef, OpenStack, Splunk, Web Logic.

Confidential, OR

Linux/DevOps Engineer

Responsibilities:

• Manage user accounts for the team access to Build channels and pull the packages from master Redhat Satellite Server.
• Implementing a Continuous Integration and Continuous Deployment framework using Jenkins, Maven & Artifactory in Linux environment.
• Conducted performance testing of Apache and Tomcat management services.
• Created Chef cookbooks and recipes that kickoff post-install scripts and do an overall process improvement to any manual processes.
• Working closely wif the setting up of the Configuration Management Tools Puppet and automation of the infrastructure wif Chef that included migrating from the current infrastructure workflow to the new workflow.
• Wrote Python scripts to perform deploys to tomcat Webserver and WebSphere App Servers.
• Implementing a Continuous Delivery framework using Jenkins, Chef, Maven and Nexus in Linux environment.
• Developed scripts using PERL, BASH and BATCH files for Automation of Activities and builds.
• Imported and managed multiple corporate applications into GitHub code management repo.
• Source code configuration tools Subversion and GIT used for different projects.
• Wrote ANT and MAVEN Scripts to automate the build process.
• Used Shell to automate the deployment process.
• Responsible for the Plugin Management, User Management, and end to end build and deploy setup using Jenkins.
• Worked on Build and deploy software Artifacts and code across multiple engineering environments and the production environment.
• Coordinating the resources by working closely wif Project Manager's for the release and Project Manager for all the Operational Projects.

Environment: s: Web Center Portal, Tomcat 7.x/8.x, Apache, WebSphere 7.x/8.x, HTTP, RHEL 6.x, Solaris, Windows 9.x/1.0x, Chef, Puppet 3.x, PERL, BASH, BATCH, GIT, ANT, Maven, Jenkins.

Confidential

Linux/VMware

Responsibilities:

• VMware is the global leader in virtualization and cloud infrastructure delivers customer-proven solutions that accelerate IT by reducing complexity and enabling more flexible, Agile service delivery.
• Installing Redhat Linux using Kickstart and applying security policies for hardening the server based on the company's policies.
• Experience in installing, configuring and maintaining application Server like WebSphere and web servers like Web Logic, Apache HTTP and Tomcat on UNIX and Linux.
• Experience in installation, configuration, performance tuning, security, backup, recovery and upgrade/patches of Linuxand UNIX servers using Crontab.
• Configured Linux servers like FTP, Telnet, SSH, NFS, Sendmail, Apache and Package Management using RPM and Yum.
• Worked wif storage teams to split the R1 and R2 disk groups to enable the SAN disks to read/ write mode on DR servers and worked wif DBA's and software system analyst to troubleshoot and testing the functionality of their applications for both Prod and DR servers.
• Configuration and installation of DHCP, DNS, web (Apache), mail (SMTP, IMAP, POP3) and file servers on Linux servers.
• Troubleshooting Linuxnetwork, security related issues, capturing packets using tools such as IPtables, firewall, TCP wrappers, NMAP.
• Implementation of advanced partitioning schemes like Software, RAID and LVM.
• Installing and configuring various services like DNS, DHCP, NFS, Send Mail, Apache Web Server, Samba, SSH, Http, RPM, package management.
• Installation and support of desktops wif Windows 2000 and Windows XP Operating system.
• Good patch management experience on both physical and Virtual Linux/OEL servers on VMware and PCA Servers, Zones/LDOM, using Red Hat Satellite.
• Setup configured and maintained NFS, NIS, and TCP/IP network, setting up SSH and SCP features between hosts.
• Responsible for maintaining Linux servers (RHEL and Centos) and Windows as well as ensuring the health and stability of the server. This included trouble shooting possible package/library conflicts using various OS, server, and application logs to pinpoint the problem for it to be corrected.

Environment: VMware, ESXi 4.0/3.5, RHEL 5.x/6.x, Windows XP/2000/2003, Centos, VSphere 4.0, SVN, Chef, Puppet, Shell Script, Tomcat 6.x/7.x, Web Logic, WebSphere 7.x, Web Servers, SAN, FTP, Telnet, NFS, Apache.