PROFESSIONAL SUMMARY:

• Over 10+ years of IT experience in Unix System Administration with extensive experience in Red hat Linux, CentOS, SUSE, Ubuntu, AIX and Windows (XP, 2003/08/12) Administration.
• 7+ years of Administration and Support experience with Atlassian Suite which includes Jira, Confluence, Crowd, Bamboo, Crucible and Bit - Bucket (Stash).
• 2+ years of experience with the CA API Gateway (Layer7) which involves the Installation, Configuration, Policy deployment, Policy migration and troubleshooting.
• Experience with the Web APIs, REST, XML, JSON and OAUTH.
• Knowledge on the basic Auth and OAuth 2.0
• 6 years of Dev Ops experience and worked with automation tools Puppet and Chef.
• Extensive experience with Jira 4/5/6/7.x, Confluence 4/5.x, Crowd 2/3.x, Fisheye/Crucible 4.x, Bamboo 5.x and Stash/Bit-Bucket 2/3/4.x
• Automation of JIRA, Confluence and Bitbucket installations and plugin installations.
• Installed, Configured, Maintained and administered the Atlassian suite.
• Installed and worked on troubleshooting of plenty of Jira/Confluence/stash plugins or Add-ons.
• Migrated JIRA from 5.x to 6.x/7.x and Supported it for 24/7
• Migrated Confluence from 5.4 to 5.9/5.10 and Supported it for 24/7
• Migrated Stash from 3.11 to BitBucket 4.6 and Supported if for 24/7
• Migrated JIRA from the Standalone server 7.1.6 to the Datacenter edition
• Migrated Confluence from the 5.10.8 to the Datacenter edition.
• Migrated Bitbucket from the Bitbucket 4.8 to the Datacenter edition.
• Worked with plugins which includes Gliffy for Diagrams, eazyBI, Brikit, Hansoft support, Jira Service Desk, Script runner and JIRA Portfolio and etc.
• Worked on High Availability, Failover and Disaster recovery of the JIRA, Confluence and Bitbucket applications.
• Worked on the Layer 7 gateways and Akamai.
• Extensive experience with AWS, Azure, GCE and Open stack and Managing over Puppet and Chef.
• Extensive experience in installing, configuring, troubleshooting, maintaining, implementation, and support on Redhat Linux, CentOs, SUSE and Ubuntu.
• Experience in supporting and maintaining environments with different middle ware applications like JBoss, iPlanet, weblogic, Tomcat & Sun one server.
• Experience on working with VMware ESX server 3.5, 4.0, vSphere, VMware Workstation, Virtual Box, Oracle Virtual Machine (OVM) and Redhat KVM.
• Experience working with Vblock Infrastructure to perform Virtualization using VMWare ESX, vSphere on RHEL servers.
• Experience in performing P2V, V2V migrations using VMware Converter.
• Experience in Migrations at host level using different software likes EMC Open Migrator, Redhat LVM and VERITAS Volume Manager.
• Experience in Oracle installation, worked with DBAs on System Performance Tuning for Oracle.
• Experience with BMC Remedy, ITSM, Workflow, Confidential Quality Center, TestRail and JIRA systems.
• Experience with Configuration and Maintenance of Automation tools like Puppet, Blade logic and Chef.
• Experience with Jenkins, Maven, Ant, SVN, STASH and GIT.
• Experience with Continuous Integration and Continuous Testing tools.
• Experience with JBOSS, WebLogic, WebSphere, JDK, JRE, JSTACK and JAVATRACE
• Experience with Monitoring tools like Nagios and Zabbix.
• Experience in working with Active Directory , IIS, Apache, Tomcat, Open SSL, RSA, PKI and MSCA
• Experience working with AWS Cloud computing and AWS Deployment.
• Experience in working with Load balancing technologies like Big F5 LTM , Nginx and HA Proxy
• Experience in Bash, Perl, Python and Ruby Scripting.

TECHNICAL SKILLS:

Operating Systems: Sun Solaris8, 9/10/11,, SUSE 9/10/11, Ubuntu 6/10/12/14, Redhat Linux 4.x/5.x/6.x, ES3/4, Confidential -UX 11.0/11.11, 11.23, SUSE 8,9,10 &11,VMWARE ESX 3.5, 4.0,Windows XP/NT/ 2000/2003/2008/2012

Software: VERITAS Volume Manager 4.x, 5.x, VERITAS File System 3.x/4.1, VERITAS Cluster Server 4.x, Solaris Volume Manager, General Parallel File System (GPFS), JIRA, CONFLUENCE, CROWD and STASH, Layer 7

Server Management: SUN Solstice Disk & Admin Suites, VxVM, SMC, Confidential Open View, Network Node Manager, Compaq Insight Server Manager & Intel LAN Desk Manager, Puppet, Chef, Nagios, Zabbix, vRealize Automation, BMC Patrol and Predict.

DevOps Tools: Maven, Jenkins, SVN, ANT, GIT, BABBOO, STASH, TestRail

Cloud: GCE, AWS, Client Server Automation HPSA and Openstack

Languages: C, C++, XML, PHP, PL/SQL, Shell Scripting - ksh, Bash and csh, Perl, Ruby and Python

Database servers: Oracle 8i, 9.2.x, 10, MySQL, Cassandra and Sybase on Solaris and Red Hat Linux and Win NT/2000, MySQL 7, 2000, 2012, MSSQL 2012 and 2014 Always ON

Networking Protocols: SNMP, SMTP, TCP/IP, IPX/SPX, NetBEUI, OSPF, SSH, SSL, BGP, IGRP, EIGRP, PPP, SLIP, UUCP, X.25, LAN, WAN, PCNFS, ARP/RARP, LDAP, FTP/TFTP, RIP, DHCP, DNS, NIS, NIS+, Layer 7 and Akamai

Application Servers: Web Sphere Apache, JBoss, Tomcat, Web Logic, Weblogic, PL/SQL, JIRA, Confluence, Bamboo, Crowd, Crucible, Fisheye and Bitbucket.

File System: UFS, VxFS, ext2, ext3, NFS,ZFS, JFS,GPFS

Storage: EMC Symmetric, Clarion, Sun Storage D1000, A5000/5200, NetApp

Virtualization: VM Ware

Hardware: Sun Fire (v880/V480/V240/V210/V440/280R/ 6800/4800/3800/ E10K, 15K, 25K Ultra-5/10, Enterprise 6500/5000/450/420 R, T5440, T2000, T5120, M4000, M5000, M6000, IBM RS 6000, pseries, Power edge 2850/1850, Confidential /9000K,IBM RS/6000, rp3440, rp5470, rx3660, rx6600, Confidential C7000 and C 6000 Blade Enclosures

PROFESSIONAL EXPERIENCE:

Confidential, NJ

Technical Lead/ Atlassian System Admin /Datacenter Expert/JIRA Admin/SME

Responsibilities:

• Extensively worked on Azure cloud based Virtual machines (Windows and Linux)
• Extensively worked on the RHEL, CentOS and Windows servers 2012 and Windows Server Failover Clusters (WSFC)
• Installed, Configured, Maintained and Administered the Atlassian suite which includes JIRA 5. /6.x/7.x, Confluence 4/5.x, Crowd 2/3.x, Fisheye/Crucible 4.x, Bamboo 5.x and Bit-Bucket 3/4 x.
• Migrated the JIRA, Confluence and Bitbucket applications to the higher and latest versions.
• Extensively worked on the Bamboo and created, configured and maintained the Bamboo Projects, Plans, Stages, Jobs and Tasks.
• Worked on the Fisheye/Crucible and created, configured and maintained the Projects and repositories.
• Worked on High Availability, Failover and Disaster recovery of the JIRA, Confluence and Bitbucket applications.
• Designed, Developed and implemented the Custom High Availability and Custom Disaster recovery solutions for the JIRA, Confluence and Bitbucket applications on the WSFC.
• Designed, Developed and implemented the Custom High Availability and Custom Disaster recovery solutions for the JIRA, Confluence and Bitbucket Database servers on the WSFC with SQL Always ON.
• Designed, Developed and implemented the Datacenter (JIRA, Confluence and Bitbucket) with High Availability, Horizontal scaling and Custom Disaster recovery solutions for the JIRA, Confluence and Bitbucket applications.
• Extensively worked with ILB (internal load balancers), Availability Groups, Clusters and roles.
• Extensively worked on Manual Failover and Automatic failover.
• Created and Maintained the Technical Architecture (TA) and Technical Implementation Document (TID).
• Created the Runbooks for all the above installations, configuration and Support.
• Automation of JIRA, Confluence and Bitbucket installations and plugin installations.
• Worked with customers to design and develop the custom workflows, custom fields, dashboards, and reports.
• Created and customized the complex components which includes Jira project Workflows, Issue type Screen schemes, Permission scheme, and Issue Security and Notification schemes.
• Worked closely with Business Users to get the business requirements of JIRA Projects, Confluence Spaces and Bit Bucket Repositories.
• Created and Managed the Application links between JIRA to other JIRA, Confluence, Bamboo and Bitbucket instances.
• Worked with plugins which includes Gliffy for Diagrams, eazyBI, Brikit, Structure, Hansoft support, Jira Service Desk and JIRA Portfolio and etc.
• Integrated the JIRA with Hansoft, a third-party Project Management tool.
• Extensive experience on JIRA, Confluence, Crowd, Fisheye/Crucible, Bamboo and Bitbucket applications as the Administrator and System Administrator.
• Troubleshooted and Resolved most of the Application and server related issues with the help of logs and raised Atlassian Support Requests whenever is needed.
• Provided the Atlassian Products Knowledge transfer sessions and training with demos to the Business.
• Created and Managed the License database for all the Instances of JIRA, Confluence and BitBucket including their plugins to make sure none of the instances and their plugins will expire without our knowledge
• Worked with Apache and Tomcat for application hosting and issue troubleshooting.
• Worked with the CA API Portal (Layer 7) to route the application traffic via the Layer 7 gateways.
• Worked on the API security policies and configure API Management.
• Deployed, configured, optimized and monitored the API Gateways
• Worked on the Web APIs, REST, XML, JSON and OAUTH.
• Worked on Single Sign On and delegated access technologies (SAML and OAuth) for the JIRA, Confluence, Bamboo and Bitbucket applications.
• Worked on the Akamai Luna control to setup and configure the Akamai to route the traffic to the Layer 7 and then to our Applications.

Confidential, Redwood city, CA

Technical Lead/ Sr Linux Administrator/JIRA, Confluence and Bitbucket (Atlassian) System Admin/SME

Responsibilities:

• Extensively worked on Installation and configuration of Red hat Linux 5/6/7.x, CentOS 5/6/7.x, SUSE and Windows 03/08/12 Servers on large distributed environment.
• Worked on Oracle Virtual Machine (OVM), Virtual Box, VM Ware and VSphere
• Installed, Configured, Maintained and Administered the Atlassian suite which includes JIRA 5. /6.x/7.x, Confluence 4/5.x, Crowd 2/3.x, Fisheye/Crucible 4.x, Bamboo 5.x and Bit-Bucket 3/4. x.
• Hosted and Maintained all these applications on Azure/AWS
• Worked with customers to design and develop the custom workflows, custom fields, dashboards, and reports.
• Created and customized the complex components which includes Jira project Workflows, Issue type Screen schemes, Permission scheme, Issue Security and Notification schemes.
• Worked closely with Business Users to get the business requirements of JIRA Projects, Confluence Spaces and BitBucket Repositories.
• Extensively worked on the Bamboo and created, configured and maintained the Bamboo Projects, Plans, Stages, Jobs and Tasks.
• Worked on the Fisheye/Crucible and created, configured and maintained the Projects and repositories.
• Created and Managed the Application links between JIRA to other JIRA, Confluence and Bitbucket instances.
• Worked on High Availability, Failover and Disaster recovery of the JIRA, Confluence and Bitbucket applications.
• Worked with plugins which includes eazyBI, Structure, Gliffy for Diagrams, Hansoft support, Jira Service Desk and JIRA Portfolio
• Integrated the JIRA with Hansoft, a third-party Project Management tool.
• Created and Managed the Whitelist in JIRA and Confluence applications.
• Created and Maintained the Email Handlers in all 25 instances of JIRA.
• Created and Maintained the Confluence Spaces and Pages with permission levels.
• Migrated large spaces (~80GB) from once Confluence instance to other successfully
• Troubleshooted and Resolved most of the Application and server related issues with the help of logs and raised Atlassian Support Requests whenever is needed.
• Extensively worked on all the administrative options in JIRA, Confluence and BitBucket.
• Worked on BitBucket Projects, Repositories, Branches and their permission levels.
• Provided the Atlassian Products Knowledge transfer sessions and training with demos to the MIT Interns at Confidential .
• Worked with CROWD and OKTA Authentication for the single sign on of Atlassian products.
• Created and Managed the License database for all the Instances of JIRA, Confluence and BitBucket including their plugins to make sure none of the instances and their plugins will expire without our knowledge
• Worked with Apache and Tomcat for application hosting and issue troubleshooting.
• Worked on configuring Puppet master servers and installing Puppet client software on Linux servers.
• Installed Nagios and Zabbix on the Global Servers.
• Worked with the CA API Portal (Layer 7) to route the application traffic via the Layer 7 gateways.
• Worked on the API security policies and configure API Management.
• Deployed, configured, optimized and monitored the API Gateways
• Worked on the Web APIs, REST, XML, JSON and OAUTH.
• Worked on Single Sign On and delegated access technologies (SAML, Kerberos, OAuth)
• Worked on AWS EC2, S3, RDS, Route 53 DNS, IAM, Load balancing, Auto-Scaling and Cloud Formation.

Confidential, Austin, TX

Sr Linux Administrator /DevOps (PKI) Engineer/ Atlassian Admin

Responsibilities:

• Extensively worked on Installation and configuration of Redhat Linux 3/4/5/6.x, CentOS 4/5/6.x, SUSE and Windows 03/08/12 Servers on large distributed environment.
• Worked on Vblock Infrastructure to perform Virtualization using VMWare ESX, vSphere on RHEL/SUSE servers.
• Worked on Installation of VMware ESX and creating Virtual Machines from scratch and from templates and Assisted in troubleshooting applications for Load balancing.
• Worked on Oracle Virtual Machine (OVM), Virtual Box, VERITAS Cluster Server and VERITAS Volume Manager.
• Installed, Configured, Maintained and Administered the Atlassian suite which includes JIRA 4/5.x, Confluence 4/5.x, Crowd 2/3.x, Fisheye/Crucible 3.x, Bamboo 4.x and Bit-Bucket 3/4. X.
• Created and customized the complex components which includes Jira project Workflows, Issue type Screen schemes, Permission scheme, and Issue Security and Notification schemes.
• Worked closely with Business Users to get the business requirements of JIRA Projects, Confluence Spaces and Stash Repositories.
• Worked on High Availability, Failover and Disaster recovery of the JIRA, Confluence and Stash applications.
• Created and Managed the Application links between JIRA to other JIRA and Confluence instances.
• Worked with JIRA Integration with third party tools.
• Created and Managed the Whitelist in JIRA and Confluence applications.
• Created and Maintained the Email Handlers in all JIRA instances.
• Created and Maintained the Confluence Spaces and Pages with permission levels.
• Migrated small and medium sized spaces (~20GB) from once Confluence instance to other successfully
• Troubleshooted and Resolved most of the Application and server related issues with the help of logs and raised Atlassian Support Requests whenever is needed.
• Extensively worked on all the administrative options in JIRA, Confluence and Stash.
• Worked on Stash Projects, Repositories, Branches and their permission levels.
• Worked with SSL, RSA, PKI (Public Key Infrastructure) and MSCA (Microsoft Server Certification Authority)
• Worked on Installation and Configuration of Puppet/Chef Server and Puppet/Chef-client (Nodes)
• Deployed and maintained infrastructure using Chef cookbooks and recipes
• Troubleshooting and performance tuning issues with applications like Oracle 10g, MySQL 4.x, WebLogic 10, MQSeries 6.x, Condor apps & Java Applications on operating systems which included Solaris and RHEL.
• Worked on Shell & Python scripting.
• Installed Nagios and Zabbix on the Global Servers.
• Supported the systems hosted on Openstack, Helion and AWS.
• Deployed and maintained the cloud based application environments running on OpenStack
• Worked on Openstack Nova compute, controller services Keystone identity service, Swift object storage service, Glance image service, Cinder block storage service and Networking service.
• Troubleshooting and log analysis for Openstack deployments.
• Configured Active Directory , IIS on Windows 08/12 Servers and Apache, Tomcat on Linux & Solaris environment.
• Worked on tools like TCPDUMP, NMAP, analyzing TCP, SSL Handshakes
• Configured Various Network services such as LDAP, NFS, NIS, DNS, NIS, NIS+ and Send mail in RedHat Linux and SUSE servers.

Confidential, IL&TX

Sr Linux Administrator / Automation Engineer/ Atlassian Admin

Responsibilities:

• Worked on Installation and configuration of Redhat Linux 3/4/5/6.x, CentOS 4/5/6.x, Solaris 9/10 and SUSE and on large distributed environment.
• Created LDOMS and Zones on Solaris servers.
• Worked on Vblock Infrastructure to perform Virtualization using VMWare ESX, vSphere on RHEL servers.
• Worked on vRealize Automation which accelerates the deployment and management of applications and compute services.
• Worked on Installation of VMware ESX and creating Virtual Machines from scratch and from templates and Assisted in troubleshooting applications for Load balancing.
• Worked on Oracle Virtual Machine (OVM) and Virtual Box.
• Installed, Configured, Maintained and Administered the Atlassian suite which includes JIRA 4.x, Confluence 4.x, Crowd 2.x, Crowd 2/3.x, Fisheye/Crucible 3.x, Bamboo 5.x and Stash 3.x.
• Created and customized the complex components which includes Jira project Workflows, Issue type Screen schemes, Permission scheme, Issue Security and Notification schemes.
• Worked closely with Business Users to get the business requirements of JIRA Projects, Confluence Spaces and Stash Repositories.
• Created and Managed the Application links between JIRA to other JIRA and Confluence instances.
• Created and Maintained the Email Handlers in all JIRA instances.
• Created and Maintained the Confluence Spaces and Pages with permission levels.
• Troubleshooted and Resolved most of the Application and server related issues with the help of logs and raised Atlassian Support Requests whenever is needed.
• Extensively worked on all the administrative options in JIRA, Confluence and Stash.
• Worked on Stash Projects, Repositories, Branches and their permission levels.
• Created LDAP authenticated User accounts for Clear Case Users.
• Worked on Installation and Configuration of Puppet/Chef Server and Puppet/Chef-client (Nodes)
• Configured yum repository server using Chef on RHEL 5.7 in VMware environment.
• Configured IIS on Windows 2008 Servers and Apache on Linux & Solaris environment.
• Worked on Firewall implementation & Load balancer between various Linux and Solaris servers.
• Troubleshooting and performance tuning issues with applications like Oracle 10g, MySQL 4.x, WebLogic 10, MQSeries 6.x, Condor apps & Java Applications on operating systems which included Solaris and RHEL.
• Worked on Installations of Bigfix client on different servers as part of their maintenance.
• Deployed and Configured Automation tools like Puppet, Blade logic and Chef.
• Deployed and maintained infrastructure using Chef cookbooks and recipes
• Worked on Migration of applications from Linux 4.x to 5.5, 5.6 and resolved the dependency issues after live upgrade.
• Supported Public (GCE, AWS) and Private cloud environment.
• Worked on Shell & Python scripting.
• Installed Nagios and Zabbix on the Servers located in CA101, IL427, VA32 TX09, FL36, ZBR05, ZAR85, ZCH and ZHK servers and supported them 24/7.
• Migrated 800 servers from Nagios 3.0 to Zabbix 2.4 Monitoring tool for different versions of Linux and Windows Servers.
• Deployed and maintained the cloud based application environments running on OpenStack
• Worked on Openstack Nova compute, controller services, Keystone identity service, Swift object storage service, Glance image service, Cinder block storage service and Networking service
• Troubleshooting and log analysis for Openstack deployments.
• Configured the systems for TCP/IP Networking with the existing LAN, Setting up SSH and SCP.
• Worked on provisioning of F5 Global Traffic Manager (GTM) for Data Centers.
• Worked on tools like TCPDUMP, NMAP, analyzing TCP, Wire shark, HTTPWATCH, SSL Handshakes
• Configured Various Network services such as LDAP, NFS, NIS, DNS, NIS, NIS+ and Send mail in RedHat Linux and Solaris servers.
• Experience managing NFS shares and file systems from NetApp filers and EMC NAS devices.

Confidential, NJ

Linux Systems Administrator/ Automation Engineer

Responsibilities:

• Worked on Installation and configuration of Red hat 4.x, 5.5, CentOs 5.x, Ubuntu 10/12.x, SUSE, Solaris using Kickstart with PXE for LAMP (Linux, Apache, MySQL and Perl/PHP) installations.
• Configured and Installed Nagios 3.0 Monitoring tool on different versions of Linux and Windows Servers.
• Worked as JIRA, Confluence and Stash system admin.
• Configured CMDB to maintain a database of the available inventory.
• Worked on Installations of Bigfix client on different servers as part of their maintenance.
• Used Sun Volume Manager for Solaris and LVM on Linux, to create layouts like RAID 1, 5, 10.
• Experience in migrations of Solaris and Linux servers from EMC DMX to VMAX arrays using Veritas and SVM.
• Worked on Veritas Cluster Server and Veritas Volume Manager.
• Installation, Configuration and Migration of Unix and Linux Operating systems
• Experience in building Virtual Machines on VMware ESX 4.0.
• Worked on vRealize Automation which accelerates the deployment and management of applications and compute services.
• Worked on Oracle Virtual Machine (OVM) and Virtual Box.
• Worked on P2V migrations from the Hardware running CentOs 5.x, Ubuntu 10.x, RHEL 5.x, and Solaris 9/10 to Vblock 300 EX.
• Deployed and maintained infrastructure using Chef Cookbooks and recipes.
• Supported the systems hosted on GCE ( Confidential Compute Engine) and AWS.
• Designing scalable, highly available and fault tolerant infrastructure solutions with best practices for dedicated data centers, public, private or Hybrid clouds (Amazon AWS and OpenStack).
• Design applications on AWS taking advantage of disaster recovery design guidelines
• Application deployment and data migration on AWS
• Experience deploying and operating AWS, specifically VPC, EC2, S3, EBS, IAM, ELB, CloudFormation and CloudWatch using the AWS console and AWS CLI.
• Experience in developing Cloud Formation Scripts for AWS Orchestration.
• Deployed and maintained the cloud based application environments running on OpenStack
• Deployed Puppet for configuration management to existing infrastructure.
• Implementation of VMware Infrastructure 3 for Linux Red hat 5.x & Ubuntu with VMware ESX 3.5 & 4.1a and using Virtual Center 2.x.
• Performed performance analysis using tools like prstat, mpstat, iostat, sar, vmstat, truss, Dtrace
• Worked on Installation of Packages and Patches
• Worked on installation, integration, tuning and troubleshooting Apache, Jboss, Tomcat and Web Sphere application server and Web sphere IHS including troubleshooting. worked with hosts, switching, routing, Load Balancing, firewalls, contexts, VDC’s in Primary and Failover sites.
• Worked on provisioning of F5 Global Traffic Manager (GTM) for Data Centers.
• Worked on tools like TCPDUMP, NMAP, analyzing TCP, SSL Handshakes

Confidential, TX

Sr UNIX/Linux Administrator/ Automation Engineer

Responsibilities:

• Installing, configuring and updating Solaris 8/9, Red Hat 5.x, CentOS 4/5/6.x, SUSE and Windows NT/2000 Systems using Puppet, Jumpstart and Kickstart.
• Creating System Disk Partition, mirroring root disk drive, configuring device groups in UNIX and Linux environment
• Involved in configuring Puppet master servers and installing Puppet client software on Linux servers.
• Involved in automation by using Puppet and Chef master running on RHEL with around 300 clients
• Deployed Puppet for automated management of machine configurations.
• Worked on Installation of Packages and Patches
• Worked on troubleshooting including file sytem full, server panic, network troubleshooting.
• Involved in preparing Pre migration and Post migration documents.
• Configured and Installed Zabbix 1.8 Monitoring tool on different versions of Linux and Windows Servers.
• Worked on new file system creation on EMC SAN, drivers’ installation (Emulex, qlogic), worked on EMC powerpath etc.
• Upgraded Clear-Case from 4.2 to 6.x running on Linux (Centos & Redhat)
• Performed security analysis using tools like JASS, nmap, nessus, snort.
• Implemented the monitoring tools like Nagios 3.0 to monitor services like CPU, Hard Drive, Memory, Users, http, ssh.
• Creating UNIX and PERL scripts for automated data backup, status of the storage.
• Virtualization using VMware ESX server 3.5, 4.0, vSphere, VMware Workstation, Virtual Box, OVM and Xen.
• Worked on Veritas Cluster server (oracle databases etc) for high availability.
• Installation and configuration of VERITAS Storage Foundation Suite, VxVM.
• Supported various backup teams - VERITAS Netbackup and TSM for backup administration.
• Worked on UNIX user account creation and LDAP user accounts and configuring LDAP on client machines.
• Installation of SSH and configuration of key based authentication.
• Installed/ upgraded patches, firmware (OBP), and security (Kernel) patches for all applications in installed infrastructure.

Confidential, IL, TX

Sr UNIX Systems Administrator

Responsibilities:

• Installing and upgrading Redhat 5.x, CentOs 5.x, SUSE and Solaris 9/10 on Various Confidential and Dell Hardwares.
• Creating sparse root and whole root zones and administered the zones for Web, Application and Database servers and worked on SMF on Solaris 10.
• Implemented and administered VMware ESX 3.5, 4.x for running the Windows, Redhat Linux and Ubuntu Servers on development and test servers.
• Involved in managing SAN disks like EMC Clariions and VMAX using EMC Powerpath and Volume management softwares.
• Worked on configuring Puppet master servers and installing Puppet client on Linux servers.
• Involved in automation by using Puppet and Chef master running on RHEL with around 100 Clients
• Configured and installed Nagios Monitoring tool on different versions of Linux and Windows Servers.
• Implemented HA using VERITAS Cluster Server 5.0 for WebLogic agent
• Involved in Setting up the Authentication Configurations and configuring SUDO/ PBRUN access.
• Used Confidential Quality center and BMC Remedy change management system for ticketing and Workflow.
• Troubleshooting and performance tuning issues with applications like Oracle 10g, JBoss 4.x, WebLogic 10, MQSeries 6.x.
• Involved in the administration of the Web Logic 9, JBoss 4.2.2 servers including installation and deployments.
• Wrote Shell and Python scripting to automate the regular tasks like removing core files, taking backups of important files, file transfers among servers.

Confidential, IA

Linux Administrator

Responsibilities:

• Worked on Installing, Upgrading, Configuring and Administrating Redhat 4.x, CentOs 4.x, SUSE and Solaris 7, 8, 9/10 on various Hardware.
• Worked on running SQL queries on Oracle and MySQL.
• Performed security analysis using tools like JASS, nmap, nessus, snort.
• Worked on patch management tools like Yum, Repository and RHEL Satellite server and Sun Update Manager for Solaris servers.
• Implemented the monitoring tools like Nagios to monitor services like CPU, Hard Drive, Memory, Users, http, ssh etc.
• Used VERITAS Cluster Server 4.1 to create high available environments for NFS, WebLogic and Sendmail agents.
• Implementation of naming services like DNS with Bind 8.4.x and NIS.
• Setting up labs from scratch, testing hardware, installing and configuring various hardware devices like printers, scanners, modems, network and communication devices.
• Configuration of DHCP, DNS, NFS and Creating, troubleshooting and mounting NFS File systems on different OS platforms.
• Installing, Configuring and Troubleshooting various software’s like Windd, Citrix - Clarify, Rave, VPN, SSH Gate, Visio 2000, Star Application, Lotus Notes, Mail clients, Business Objects, Oracle, Microsoft Project.
• Troubleshooting and solving problems related to users, applications, hardware etc.
• Working 24/7 on call for application and system support.
• Experience in working and supported SIBES database running on Linux Servers.
• Performance monitoring and tuning of file systems: By using commands such as SAR, uptime.

Confidential

Linux Administrator

Responsibilities:

• Worked on Installation, Configuration & Upgrade of operating systems Solaris, Linux, SUSE. CentOS and Windows 2000.
• Creating User accounts, Mail account, groups, printer etc
• Invloved in Installatiins of operating systems, patches, hardware, vendor software packages, system customization
• Worked on Solaris Operating Systems upgrade, package installations, updates, patches and software fixes.
• Installed and maintained SUN SOLARIS, and Windows NT servers.
• Involved in Setting up labs from scratch, testing hardware, installing and configuring various hardware devices like printers, scanners, modems, network and communication devices.
• Involved in Configuration of DHCP, DNS, NFS and Creating, troubleshooting and mounting NFS File systems on different flavors of Linux and UNIX platforms.
• Involved in Configuration of NIS, NFS, sendmail on Solaris.
• Worked on Oracle Database Server installation.
• Involved in troubleshooting and fixing the issues related to End user and application problems.
• Working 24/7 on call for application support and system support