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Sr. Linux Admin Delivery Lead Resume Profile

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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.

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