PROFESSIONAL SUMMARY

• An astute professional with over 14 years of experience in IT Industry with technical expertise in the implementation, operations and support functions of mission-critical business solutions using IT as a tool.
• Over 7 years of experience and extensive knowledge in Linux Administration under heterogeneous environments consisting of Red Hat Linux, CentOS Linux, FreeBSD 8.0, Debian based Linux like Ubuntu, Mepis, Puppy Linux etc...
• Having experience in Cluster implementation with various application service and support with multi-platform environments
• Implemented SNORT for the IDS which handled to find packet level unwanted requests.
• Strong Experience with Shell scripting, Perl, Python and version control with SVN
• Experience with load balancer with Apache which integrated with Tomcat, JBOSS.
• Deployed Applications of the formats WAR, JAR, EAR on a Clustered environment
• Comprehensive understanding of administrative concepts pertaining to DNS, DHCP, Asterisk, UTM based Firewall, Ticketing System, PHP, SMTP, SNMP, JBOSS 4.0, Tomcat 6 and J2EE Services.
• Having expertise on Virtualization, Zimbra Postfix Server, FreeNAS, LTSP server, NagiOS monitoring tool
• Worked with 24/7 production support and ITIL practices like change management, incidence management, Problem management, Configuration Capacity management, Release management for various JBOSS environment Prod, Test, Stage, QA, UAT .
• Knowledge with Networking protocols and systems including DHCP, DNS, FTP/SFTP, SCP, ARP, IP, TCP, UDP, SNMP
• Installation other package from repository via Yum / Yumx, RPM package installation, install via CPAN packages, deb packages install via apt-get, install via synaptic also install package via compile and install.
• Broad experience with MySQL, PosgreSQL Database servers and integrating with JBOSS and Tomcat servers
• Adept in analyzing information system needs, evaluating end-user requirements, custom designing solutions, troubleshooting for complex HIS Healthcare Information System management.
• Having experience on AdServer Open Source system implemented with impression click.
• Having install also mass Mailer Application Open Source
• Implements automatic Backup System Rsync, SCP with password and without password via Crontab.
• Installation and configure as a client security in Samba permission, also configure Squid proxy for internet purpose accessibility with the facilities of Content filter Dans Guardian HAVP HTTP Anti-Virus Protocol .
• Configuration experience of SAN Storage to create volume disk and mapping with HBA/FC host.

SKILL SET

Technical

• Technology Expertise : Linux Admin, Shell Scripting, JAVA / JSP / Servlet
• Application Servers : JBOSS 3.2.7, JBOSS 4.0GA
• Servers Experience : DHCP Server, SAMBA, DNS Bind 9 , MySQL, PosgreSQL 8.0, NFS
• Web Servers : Tomcat 4.1/ 5.5, Apache Web Server 1.2 / 2.0
• Middleware : JBoss 4.0
• Framework Patterns : Struts, Hibernate
• IDE : Eclipse, Netbeans 6.8, Netbeans 7.3
• Databases : MySQL 5.4 MySQL 5.1, PosgreSQL 8.0
• Platforms : Redhat Linux, FreeBSD, Windows XP/2000/NT/95/98
• Version Control : SVN, CVS
• Scripting : Python, UNIX Shell, Perl, PHP
• J2EE Technologies : JSP, Servlet, JDBC

Functional

ADMINISTRATION

• Installation / Configuration of JBOSS Application server, Clusters, Node Managers etc
• Setting up and Maintaining Linux OS Server across an extensive selection of the feature set including Redhat cluster with DNS, DHCP, Apache
• Managing DNS, DHCP, SAMBA, User access also experience with JBOSS application deployments
• Expertise of NagiOS Open Source based network monitoring tool
• Manage LVM based disk space management for the server.
• Deployment experience with automated Shell Script for the leverage for juniors to take a backups.
• Created customized automated build Script, Unix Scripts and configured daily cron job scheduler tool which will send email to the group of the build result.
• Expertise with Performance Tuning of Linux, Database and JBOSS.
• Experience with Apache Web Server and Apache SSL Installation / Configuration and Maintenance
• Experience handling the Load / Stress testing of applications

Confidential

• Experience working extensively with Linux, Windows systems
• Knowledge with administrating / Monitoring tools of Redhat Linux and Windows
• Managing space, performance of Redhat Linux.

TECHNICAL SUPPORT/ TROUBLESHOOTING

• Troubleshooting Linux Operating system issues issue, Application service issues, MySQL database issues and any network issues
• Conducting periodic reviews with the customer and analyze calls and their performance trends to take proactive measures to reduce knowledge-based calls.
• Suggesting improvements in the operations and processes to make the system foolproof with the increasing securities.

FACILITIES/ INFRASTRUCTURE MANAGEMENT

• Interacting with various vendors for sourcing products and solutions and for closure of calls which are supported by them.
• Interact with other teams to work on the issues related to other infrastructure components
• Supporting Development, integration, production and infrastructure deliverables
• Supervising the maintenance and upkeep of software and hardware assets of the organization.

Development/Administrative Programming

• Build, Developed and Implemented automated checklist for the L0 Juniors
• Build and Deployment tools achieving SLA in-case of unavailability of seniors
• Superior shell scripting Korn and Bourne Shells
• Knowledge with Perl scripting
• Experience with JSP / Servlet / Hibernate / Struts / MySQL Application Development
• Integrating experience of plugins with NagiOS monitoring tool

PROFESSIONAL SCAN

Confidential

Sr. Linux Admin Delivery Lead

Environment:

• Redhat Linux, Redhat Cluster, JBOSS, MySQL, NagiOS monitoring, Tomcat 5.5, UNIX scripts.

Highlights

• Installed, configured and administered
• Redhat Enterprise Linux, Java 1.4 / JDK1.5 / JDK1.6, JBOSS, MySQL environment Test, Stage and Production on Linux
• App. server performance testing on HP blade server Linux.
• Created Shell Script to Orchestration of Components and server node to monitor detailed about caller
• Apache SSL Certification Installation / Set up
• Apache Web Server 2.0 cluster with mod jk load balancer
• Provided Support 24X7 and responsible for all 142 Servers including cluster, Snort IDS , Zimbra Postfix server, mysql database
• Configured Bind9 for DNS server at various 11 project sites
• Install and Configure Java based PACS system Picture Achieve and Communication System on server.
• Created automated shell script to check out code, build and deploy with cron job
• Implement and Configured NagiOS monitoring with various plugins.
• Implement and Configured HP Data Protector 6.x / 7.0.
• Configuring SAN Storage with creation of VDISK and mapping LUN with appropriate HBA / FC host.
• Developed and implemented automated shell script for backup of database, application and data.
• Followed QMS standards as per ITIL with all change, issues, risk and other procedures.
• Implement RHEL cluster for apache web server during the roll-out at new sites.
• Monitoring regular load of application server and doing operational support
• Database backup validation from the restoring DB on staging environment.
• Helping to 10 junior resource in daily works and guide them for the process of ITIL standards as per QMS.
• Assign daily task to L1 and L0 Linux admin, L2 MySQL DBA and L2 Network Admin.
• Assisting to application administrator for the configuring of installing in SSL certificate of Apache.
• Monitor and Manage critical components, including the hardware, operating system, and the Application / Web layer

Attainments

• Suggested hardware sizing for testing, Staging and performance testing environments.
• Created installation, configuration and deployment document for Application server, Web Server.
• Developed Web based PHP tool for creation of Squid Proxy user for the helpdesk team.
• Developed JAVA based web tool for the Operational task for the managing services for juniors.
• Assist to network admin in the security improvement and designing of network architecture.
• Manage training SOP documents and arranging remote training to juniors.

Confidential

Sr. Linux Admin

Environment:

• Redhat Linux, Redhat Cluster, JBOSS, MySQL, NagiOS monitoring, Tomcat 5.5, Unix scripts.

Highlights

• Installed, configured and administered
• Redhat Enterprise Linux, Java 1.4 / JDK1.5 / JDK1.6, JBOSS, MySQL environment Test, Stage and Production on Linux
• Created Shell Script to Orchestration of Components and server node to monitor detailed about caller
• Apache Web Server 2.0 cluster with mod jk load balancer
• App. server performance testing on HP blade server Linux.
• Provided Support 24X7 and responsible for all 69 Servers including cluster, MySQL database
• Configured Bind9 for DNS server at various 11 project sites
• Install and Configure Java based PACS system Picture Achieve and Communication System on server.
• Created automated shell script to check out code, build and deploy with cron job
• Implement and Configured NagiOS monitoring with various plugins.
• Implement and Configured HP Data Protector 6.x.
• Developed and implemented automated shell script for backup of database, application and data.
• Followed QMS standards as per ITIL with all change, issues, risk and other procedures.
• Implement RHEL cluster for apache web server during the roll-out at new sites.
• Monitoring regular load of application server and doing operational support
• Database backup validation from the restoring DB on staging environment.
• Helping to 10 junior resource in daily works and guide them for the process of ITIL standards as per QMS.
• Assign daily task to L1 and L0 Linux admin.
• Assisting to application administrator for the configuring of installing in SSL certificate of Apache.
• Monitor and Manage critical components, including the hardware, operating system, and the Application / Web layer

Attainments

• Suggested hardware sizing for testing, Staging and performance testing environments.
• Created installation, configuration and deployment document for Application server, Web Server.
• Manage training SOP documents and arranging remote training to juniors.

Confidential Lead Linux Administrator Research Development

Environment

• Redhat Linux, JBOSS, MySQL, NagiOS monitoring, Tomcat 5.5, Unix scripts, Zimbra, Endian Firewall, Ticketing System, SugarCRM.

Highlights

• Handel escalation of L2's L1's
• To deliver high-level performance and customer satisfaction on application level
• Server installing, managing and patch updation
• Implantation managing Mail Servers with security
• Implemented PC based Open Source UTM typed of firewall with many UTM features.
• Implemented Open Source based Ticketing System with customization some features.
• Configured SugarCRM system with various kind of plugins.
• LDAP based setup implemented and configured on client level
• Own DNS server which needs to be configured with SPF, TXT record.
• Implemented OpenSource based storage box on PC based with FreeNAS.
• Monitoring regular load of application server and doing operational support
• Database backup validation from the restoring DB on staging environment.
• Manage and Configuration of multiple VHOST with Apache.
• Integrated internet usage tool with Squid Proxy.
• Implement Sendmail CATCH-ALL server for the eMail-To-SMS facility for the customer.
• Migration all users from MS-Windows to Ubuntu Linux.
• Configuring VSFTP / Pure-FTPd for anonymous and user permission base.
• Involved for design IT architecture for their network.
• Implemented Zimbra email server with multiple domin
• Deployed/ supported over 6 applications which entails formats of EAR, WAR and JAR and JBOSS / Tomcat.
• Created Shell script for automated build process

Training: Linux Scripting, DNS Server, Linux Performance Tuning

Confidential

Sr. Linux IT Administrator

Environment:

• Implementation Servers managing
• Redhat Linux, JBOSS, MySQL, PosgreSQL 8.0, NagiOS monitoring, Tomcat 5.5, Unix scripts, Zimbra, QMail Server, ASTERISK, A2Billing with Asterisk.
• Implementation IVRs with Asterisk based on Linux with 120 channel
• Integrated A2Billing with ASTERISK for incoming call with prepaid service.
• Linux based mail Mail Servers support on implementation supports
• Implemented Zimbra email server which has been configured with Fetchmail tool to fetch emails from the CatchALL server.
• First level support on JAVA based application support
• Having experience on AdServer Open Source system implemented with impression click.
• Having install also mass Mailer Application Open Source
• Implements automatic Backup System Rsync, SCP with password and without password via Crontab.
• Integration imaging server for application server
• Bulk email sever on OpenSource technology which integrated with strong SMTP server
• Support juniors for user support on desktop problems
• Install and integrate PostgreSQL database with tomcat server.
• Wrote basic level of PosgreSQL queries as per the required data / report.
• Squid proxy server configured as transparent mode for the user.

Confidential

Sr. Support Service Engineer

Environment:

• Microsoft Windows 95 / 97 /98 / ME, Windows Server NT4 /2k / NT3.5, MS-DOS 5.0 / 6.20 / 6.22, Oracle, Novel NetWare, Linux

Highlights

• Handle junior's escalation on Microsoft, Linux, Novell Netware Network level
• Support to customers who are having Novell Netware servers
• Implementation and Support on Linux Servers of the customers
• Migration client environment from Microsoft to Open Source
• Support on Network security policy for the company's customer
• Having experience with the huge number of PC assembling.
• Installing and troubleshooting of various type of printers like DMP Dot Matrix Printer, LaserJet, DeskJet printer and Line Printer .
• Installing and troubleshooting of Oracle 7 with Windows platform.
• Installed and configure with clients on Windows 2000 Advance Server on HP ML -110 150 at Narmada Cement Ltd. Rajula. And Indira Gandhi Open University. IGNOU also work Oracle/SQL base application.
• I have also configured Wireless Network Bridge between 7.5 Kilo Meter at Rajula in Narmada Cement Ltd. and 550 Meter connectivity at Prima Automation India Pvt. Ltd. - Ahmedabad
• I also install a Spectrometer Computer on network base connectivity.
• Install Maintains and Administrate LANs network hardware and software configurations on Hubs, Switch and Servers.
• I also reassemble branded Laptop Dell Inspire 4100, Dell Inspire 2100, Hp-Compaq nx9010, etc.
• I have Installed 100IH- Zyxel Router also.