SUMMARY

• Information Technology professional with over 11 years of proven professional experience in the field of UNIX, LINUX, DevOps and AWS infrastructure includes design, architect, implement and manage.
• Specialized in the areas of UNIX, Linux, Virtualization, Enterprise Data Center Architecture & Operations and Install/Configure of DevOps tools, Product Management, Data Center consolidation and Migration with a strong focus on greatest possible customer satisfaction.
• Experienced in Auto, Health, Retail, Software, Academic & Financial industries. Besides technical skills, also possesses excellent leadership, communication, interpersonal, presentation and relationship building skills that are essential to any customer - facing role.
• Solid work experience on Guidewire PolicyCenter, Guidewire BillingCenter and SpringBoot servers to do the automatic deployments.
• Transformation of traditional environment and virtual environment to Cloud environment with AWS (Amazon Web Services), Ansible, Puppet, Dockers, Vagrant and VMware.
• Experienced as Tech Lead in different customer locations and possess excellent resource management and monitoring, status reporting, configuration, capacity reporting, resolution, escalations, root cause analysis, storage management documentation and integration skills.
• Well experienced in working on source controller tools like Subversion (SVN), CVS and GIT.
• Experience in using configuration management tools like Ansible and Puppet. Also having experience in automating activities using Shell, Python and YAML scripting.
• Highly proficient in designing, configuring, administering, maintaining and troubleshooting various types of Redhat Enterprise Linux 5/6/7/8 servers and worked closely with Software development, application and database teams to meet business and technical demands.
• Responsible for OS installation, configuration, upgrade, performance tuning, system monitoring, user administration, installing third party software and service.

TECHNICAL SKILLS

• HARDWARE: Dell PowerEdge R720, R620, HP Blade C7000, PROLIANT BL280c / BL620c / BL660c / BL490c / BL260c, ILO 2.x, 3.x, CISCO UCS, Dell FX100, Sun Fire ( 12K / 15K) M8000, M5000, M3000, T5220, T5240, T5.
• FILE SYSTEM AND SCRIPTING: EXT3, EXT4, GFS, GFS2, NTFS, SWAP, VxFS, CIFS, CFS, JFS & Bash, YAML, Python, Ruby.
• NETWORK TECHNOLOGIES: iSCSI, FC, NFS, CIFS, FCoE, Ethernet, OSI model, TCP/IP.
• SOFTWARE: Red Hat Clusters, LVM, Red Hat Satellite (5.0, 6.0, 6.1, 6.2), Red Hat Network (3.4, 3.5, 3.6), VERITAS File System (4.x/5.0), VERITAS Cluster (4.x/5.x), EMC Powerpath, MPIO, VERITAS Cluster (VCS 3.x/4.x/5.x).
• APPLICATION AND TOOLS: Apache, Tomcat, Nginx, WebLogic, JIRA, WebSphere, Hadoop, Splunk, ANSIBLE, PUPPET, DOCKER, NAGIOS, VMWare VSphere, Remedy, ServiceNow, Satellite server.
• DEVOPS Tools: JENKINS, GITHUB, JFROG ARTIFACTORY, GIT,
• Cloud Computing: AWS (EC2, S3, CloudWatch, CloudFront, API Gateway, LAMBDA, SQS, SNS, VPC, IAM, RDS, DYNAMO DB)

PROFESSIONAL EXPERIENCE

Linux Engineer with Middleware & DevOps.

Confidential, Plano, TX, USA

Responsibilities:

• Migrating Weblogic 10.3 to 12.2 on non-prod and production servers.
• Doing deployments on DIT and SIT environments via SAT and HPSA tools.
• Working on Jira tickets.
• Working on implementing CI/CD process using Jenkins.
• Writing Shell Scripts to automate the manual deployment.
• Troubleshooting the issues while deployments and implementing CI/CD.
• Working on CI/CD pipeline using Jenkins.

Linux Engineer with Middleware & DevOps,

Confidential, Dearborn, MI, USA

Responsibilities:

• Writing Bash Shell Scripts to automate the manual interaction, which are processed day-to-day basis to improve the business standard by delivering quickly.
• Coding patching/deployment scripts for JDK, Micro Services, Exstream, Guidewire PolicyCenter, Guidewire BillingCenter and SpringBoot servers.
• Unix Shell/Python scripting for job automation and doing it MFT (Managed File Transfer) side.
• Install, configure and troubleshoot using Ansible and writing Ansible playbooks. Worked on java issues.
• Install, configure, maintain and troubleshoot WebLogic, WebSphere, JBoss, Apache Tomcat and Confidential MQSeries environments.
• Develop special scripts for ‘.properties’, ‘.jar’, ‘.xml’, ‘.stop’, ‘.restart’, ‘.jdk’ and ‘.war’ file types.
• Work on technical design, implementation and script reviews.
• Analyze/Test the scripts output in DEV/QA environments and reporting to the team.
• Working on various technologies like Jenkins, GitHub, Artifactory, GIT and tools like ServiceNow, Splunk & Nagios.

Linux Engineer and Centrify Admin.

Confidential, Omaha, NE, USA.

Responsibilities:

• Centrify installation, configuration and trouble shooting in Windows and UNIX environment. The Unix OS cross-platform includes - Linux, AIX, and/or Solaris. The Windows OS platform includes - Windows 2008R2, 2012, 2016.
• Setup, configuration and troubleshoot:
• UNIX security (local accounts, SU, Sudo, /etc/password management)
• Unix Active Directory (authentication, domain services, and objects)
• Application / agent support across enterprise platforms
• Installation and configuration of Red Hat Enterprise Linux (RHEL) 5x, 6x, 7x Servers on HP, Dell Hardware and VMware virtual environment.
• Configuring Red Hat High Availability Cluster and Failover Cluster servers at Datacenter.
• Install and configure Red Hat Linux Kickstart and booting from SAN and managing multipathing at boot level and OS level.
• Install, configure and troubleshooting messaging protocol (SOAP) on Linux servers.
• Established Puppet best practices approaches to systems deployment with tools such as vagrant and test-kitchen and the treatment of each Puppet manifests as a unit of software deployment, independently version controlled.
• Managing and configuring 14000+ servers in various OS like RHEL 5x, 6x, 7x, Solaris servers, Windows servers over VMware environment.
• Installation, configuration of Puppet master and Puppet agent. Also on Puppet DB & Puppet Enterprise.
• Written Puppet Manifests to automate our build/deployment process and do an overall process improvement to any manual processes.

Confidential,

Responsibilities:

• Performing VMware activities like Cloning a virtual machine, vMotion, Storage vMotion, P2V (Physical to Virtual) and V2V (Virtual to Virtual).
• Collaborate with the business to determine system needs, influencing and guiding the change process from concept to implementation.
• Co-ordinate with the Architectural team and come up with possible solutions.
• Designing upgrade plan for 700+ host running ESX/ESXi 4.x and 5.x.
• Resolving / troubleshooting tickets, support day-to-day maintenance of all Red Hat Linux servers and Virtual machines in VMware environment.
• Work on projects like OS Build, configuring the VERITAS/RHEL cluster, assist OS patching, etc.
• Upgraded Red Hat 6.x servers to Red Hat 7.x servers in large-scale production environment.

Confidential,

Responsibilities:

• As a Unix Administrator, primary responsibility includes resolving trouble tickets, support day-to-day maintenance of all Linux boxes, work on projects like OS Build, configuring the Veritas Storage Foundation Suite, assist OS Patching team, etc.
• Worked with installation of OS both using the jumpstart and kick-start installation.
• Installed, configured and maintained Red Hat Linux, CentOS and Windows servers.
• Providing expert advice and support during remediation of vulnerabilities in both RHEL Linux and Windows servers.
• Adding the SAN LUNs to the OS, laying out the file systems, volumes, mirroring for redundancy using Veritas Volume Manager 4.1/5.0.
• Uplifting the Dev, Test and Prod servers in Red Hat Linux servers, Oracle Linux servers and Solaris servers.
• Co-ordinate with the SAN team for Storage allocation and fabric connectivity issues.
• Troubleshooting various issues related to Emulex SCSI HBAs & EMC Power Path for Multipathing.
• Decommission of servers and ESX host in VMware environment.

Confidential

Responsibilities:

• Worked as consultant on various projects, which include install, support different application, database servers from Linux (RedHat and SUSE) environments and to manage GM’s large 2000+ UNIX/LINIX server environment.
• Worked as a Technical Lead for patching activities and develop the best suitable procedures for the environment like live upgrade for the standalone and cluster environment.
• Implemented day-to-day tasks in Red Hat Linux that include upgrading rpms, kernel, and HBA driver, configuring SAN Disks, multipathing and LVM management.
• Developed the customized security patch bundles for the environment released by the Red Hat and Oracle to overcome the vulnerabilities from the servers.
• Involved in projects and implementations to design, High Availability, Tuning and testing of system test / dev / DR and Production servers.
• Worked with Red Hat support team, Oracle support engineer and Oracle Insight team for performance and hardware type of issues.
• Participated in Application architecture team and provide suggestion related to server functionality and features to make application more efficient and productive.

Confidential,

Responsibilities:

• Install and configure Windows/Unix systems.
• Provide technical support to the user for their OS related problems and for business applications.
• Systems monitoring and administration of Servers for day-to-day problems, patches, user administration, hardware failure, monitoring log files, backup, software upgradation, configuration changes and documentation.
• Installation, Configuration and Administration of High Availability Redhat Cluster Servers for failover and redundancy purpose.
• Supporting customers on issues with Hardware and software like Microsoft Word, Excel, VISIO and other custom reporting software.