SUMMARY:

Accomplished and results driven Systems Administrator with demonstrated success in solution oriented and efficient management of UNIX/Linux platform systems for optimal functionality. Experienced self - starter with innate ability to channel acute analytical and collaborative skills to effectively diagnose and resolve client systems related issues for greater productivity maximization. UNIX and Linux trained professional with deep comprehension of DevOps, systems integration and management and rapid adaptability to new environments and technologies. Proven ability to utilize excellent client services skills for enhanced interaction with diverse client groups.

TECHNICAL SKILLS:

Operating Systems: Windows2008 and 2012 server, Red Hat Linux 5, 6, SUSE, Ubuntu.

Software: MS Office Suite, Excel, Power Point

Networks / Protocol: DNS, TCP/IP, DHCP, LAN, WAN, POP3, VPN, SMTP, FTP, SSH

Virtualization and Cloud: AWS and VMWare ESI Cluster

PROFESSIONAL EXPERIENCE:

Confidential

Sr. Linux/ DevOps System Engineer

Responsibilities:

• Provision RHEL and SUSE server for SAAS based application leveraging chef recipes
• Automated deployment using AWS’s Cloud Formation.
• Migrated servers from RHEL 6.3 to RHEL 6.5 using Chef.
• Successfully configured POC RestAPI client integration services for SAAS based application platform.
• Build and maintain Chef Modules for both Application and Database systems.
• Build out and Maintain Oracle Enterprise Linux 6.5 for RAC clusters on Dell R820 servers.
• Tune and configure kernel parameter for optimum performance and reliability on Oracle RAC.
• Install and configure Centrify server suite/Centrify Audit for User Authentication and AD integration to Linux systems and security Audit.
• Experience in different Virtualization product, VMware, ZEN, AWS, Oracle OME
• Used Chef to configure and modify Application and Server deployment and builds.
• Install and configure Java based application (Jboss, Tomcat and Apache) on RHEL and OEL platforms.
• Configured and leveraged AWS’s auto-scaling for SAP SAAS based application platform to meet changing customer demands
• Monitored AWS infrastructure with CloudWatch

Confidential

Senior System Engineer (Linux)

Responsibilities:

• Provide level 3 client supports for Confidential customers, by unlimited incidents support via email and additional support via phone and WebEx request.
• Experience maintaining all Confidential systems both in Production and Development to help maintain our client current issues.
• Provides Documentation and interpretation for Confidential systems for Clients knowledge base.
• Help coordinate schedules for all Clients upgrades and fixes for both standard and premium customers.
• Collaborate with various departments to install and upgrade/deploy Clients to the latest versions of the G systems both minor and major releases.
• Creating and maintaining of Perl scripts and extended Linux system functionality as needed
• Installing, configuring and maintaining JBOSS EAP 6.1 and 6.2
• Installing, configuring and maintaining of Apache Tomcat and ANT on Linux
• Deploying various applications and java codes in clustered environment via JBOSS Domain Controller.
• Consistently troubleshoots and resolve network systems and application to identify corrective solutions.
• Performance monitoring, tuning and troubleshooting of JBOSS EAP 6.1 and 6.1
• Installing, configuring and maintaining MarkLogic application and database.
• Installing, configuring and maintaining Subversion server on Linux servers, as well creating and managing Subversion users
• Configuring and maintaining of F5 virtual and pool servers to enable load balancing of various Linux servers.
• Help train and mentor Junior support Engineers about the Confidential product, to help provide problem resolution and administration of our products.
• Experience in salesforce management to provide online case management and quicker response time.
• Provide Assisting in all Escalation calls by tier 1 support.
• Also provides after hours support as needed by the support team.

Confidential

Sr.Unix/ Linux/ web Infrastructure Engineer

Responsibilities:

• Configure and build out applications after hosting company Terremark has installed the RHEL 6.3 servers on a private cloud.
• Works with the hosting vendor to maintain and support the production-hosting environment on Jboss5.1 and weblogic11g built on RHEL6.3.
• Configure Jvms and domains on Jboss 5.1 and weblogic 11g and also configure data source and GC to increase performance
• Provide support and interpretation of application security scanning results using Ksar, Tcpdump and customized scripts.
• Experience with and knowledge with AWS cloud concepts and installing virtual machines RHEL6.3, RHEL5.6 and Solaris 10 on a private cloud.
• Supporting developers in building Oracle Access Manager, Oracle Identity Manager in development and production Environment.
• Experience in maintaining Jboss EAP 5.1 and 6 and also JBoss Enterprise Web server (EWS) on RHEL 6.3.
• Managed networks and storage in AWS platform.
• Implemented automated local user provisioning Instances created in AWS cloud
• Ability to provide documentation for our client CMS with architectural diagrams work flows and application configuration.
• Installed and configured weblogic11g on Linux RHEL6.3 platforms in Production environment.
• Configured AWS Service and security fundamentals and also best practices for developing and operating in the cloud.

Confidential

Sr.Unix/ Linux/ Web Infrastructure Engineer

Responsibilities:

• Administered JBoss EAP 5 & 6 and EWS, Tomcat and Apache HTTP Server on RHEL 6.1 Environment.
• Experience with establishing and integrating development, test and production environment in a private cloud environment.
• Used cloud providers & API’s for Amazon (AWS) with right scale, Rackspace Cloud/Cloud files.
• Installed and configured virtual Machines RHEL 6.3 and 5.6 on VSphere 5.1 using Kick start.
• Deployed a host of customer-related applications and data to the cloud
• Used Chef in Resource Management of OS Patch upgrades and loading updated configurations on to other servers across platforms
• Configure and manage weblogic10 applications servers creating data source and Jms queues.
• Deployment of web/Enterprise (war, ear) applications and also creating weblogic clusters across weblogic domains.
• Evaluated varied system logs and enforced good practices for web and application server environments.
• Good understanding of J2EE architectures, J2EE technologies and SOA.
• Solid in bash and shell scripting skills
• Installed and configure Alfresco cluster on JBoss EAP servers.
• Proficient with RHEL 5 and RHEL6 installation configuration and troubleshooting.
• Experience building, maintaining, troubleshooting and upgrading Citrix Xen Server 6.2 and Xen Center

Confidential

Sr. Unix/ Linux/ Web Infrastructure Engineer

Responsibilities:

• Installed and configured kick Start Install Server for Confidential for server Builds and automation of Red Hat Linux 6.3 and Centos 6.3
• Installed and configured glassfish cluster version 3.1 and apache version 2.2 on Centos 6.3 and Solaris 10 Zones.
• Proficient in deployment and troubleshooting of JAR, WAR and EAR files in domain and clustered environment.
• Experience Installing, Administering and Troubleshooting Citrix Xenserver and Xencenter on HP Proliant servers
• Played a lead role in moving all standalone glassfish Servers into a clustered glassfish environment for redundancy purposes RHEL 6.3 and Solaris10.
• Collaborated with application support team to install and configure OAM and OIM.
• Helped installed F5 VIPRION load balancers for one of our new datacenter.
• Consolidated and deployed 10 legacy applications to could platform such as Google web services and salesforce.com
• Collaborated with network team to migrate firewall and load balance rules from Citrix NetScaler to F5’s.
• Worked with developers and application team to build sites using Word press, Tomcat, cold fusion 9 and glassfish on Centos 6.3 and Solaris 10.
• Installed and configured Apache webservers for multiple sites using Vhost and proxy Pass modules.
• Troubleshooting critical hardware and software issues on a day to day basis using ticketing system. (Remedy).
• Installing Victual machines on Vpshere 5.1 and KVM’s and using KIckstart to do the O’s installations.