SUMMARY:

• 10+ years of experience in Solaris OS 8, 9, 10 & 11, RHEL 5, 6 & 7 and CentOS
• Deft in mapping client’s requirements, custom designing solutions for applications & troubleshooting for complex information systems management
• Hands on experience in Configuring and maintaining NFS, NIS, DNS & LDAP
• Worked with Sun, HP and Fujitsu Equipment. (Entry - > High-End)
• Worked on Solaris packaging and patching development.
• Good experience with Solaris Volume Manager and File System (SVM/UFS)
• Installing/Managing Sudo.
• Worked with different SAN Storage devices (EMC, Hitachi, Sun)
• Solaris Upgrades using CD and Live upgrades
• From Solaris 8 to Solaris 9
• From Solaris 8 to Solaris 10
• From Solaris 9 to Solaris 10
• Worked on Veritas upgrades
• Worked on Frame and SAN migrations
• Strong knowledge and extensive experience in data center migration projects.
• Worked with Data Center Activities like Migration, Inventory management and documentation.
• Very good understanding on IPMP network topology and network basis.
• Worked with multi-platform server infrastructure.
• Worked with Server build team and performed all kinds of tests before releasing the server in to production.
• Involved in planning and installation team meetings.
• Worked with Network team to resolve network issues with UNIX servers.
• Hands on Experience with Solaris 10 zones and zoneadm/zlogin/zonecfg commands
• Configured and maintained ZFS file systems in Solaris 10.
• Coordinated and worked with application developers to fix application and OS related issues.
• Worked with Web Applications Weblogic, Confidential Websphere, Apache/Tomcat and Jboss
• Worked on scheduling the jobs via crontab.
• Involved in problem management by participating in conference calls and doing the root cause analysis.
• Resolved the tickets that are in the ticket queue and documented commonly known fixes and kept in the Knowledge base for the future purpose.
• Hands on experience of Installation, Configuration and troubleshooting of Red hat Enterprise Linux 5 &6.
• Hands on experience of configuring and troubleshooting of disk based & distributed file systems like ext3, ext4, NFS, Auto FS.
• Expertise experience in configuring and administrating of Logical Volume manager.
• Expertise experience in configuring and administrating of RHN Satellite server.
• Experience in Server monitoring, capacity planning, application monitoring with the help of Nagios, Zabbix
• Worked on automation tools such as Puppet, Ansible, Chef.
• Worked on VM builds and CentOS upgrades using Cobbler profile.
• Worked on TEM (Tivoli Endpoint Manager) and puppet tools for patching the Linux servers.
• Hands on experience on Bash and Perl Scripting.

TECHNICAL SKILLS:

Operating Systems: Solaris 2.4, 5, 6, 7, 8, 9, 10, 11, AIX, RHEL, SUSE and Windows NT 4.0, 2000, XP and Vista.

Applications: Apache, JBoss, Web Logic, Java, SAP and Web Sphere.

File Systems Software: ZFS/Zpool, Sun volume manager (SVM/Disksuite), VERITAS Volume manager

Cluster Software: Sun Cluster(3.x), Veritas Cluster

Storage Hardware Sun A1000/D1000 Storage, SUN Multipack, SUN T3 Array. EMC Clarion, Tivoli, Sun Storage TEK.

Services: NIS, NFS, Apache, SSH & Send Mail.

Protocols: TCP/IP, IMAP, SNMP, FTP, SFTP, HTTP, SMTP, POP3, DHCP, IPMP.

Server Hardware: SUN 6800, SUN FIRE V880, SUN FIRE 480, SUN E220R, SUN E280R, SUN E420R, SUN E450 and SUN E250, T5120, T5220, T5240, SUN FIRE T2000, T3-1, T3-2, T4-1, T4-2, T5-2, T5-4, Ultra 1-80, SUN FIRE E15K, SUN FIRE V210, SUN FIRE V240, SUN FIRE V490, SUN FIRE V880, SUN FIRE V890, SUN E4900, SUN E6900, X servers

Scripting language: Very good Understanding & trouble shooting of Shell

Ticket Tracking Tools: Remedy, Service Centre

PROFESSIONAL EXPERIENCE:

Confidential, San Francisco, CA 

Unix Admin

Responsibilities:

• Worked on Unix/Solaris Linux/CentOS systems maintenance, upgrade and troubleshooting
• Worked on Vmbuilds using Cobbler profile.
• Worked on Netbackup installation, configuration and troubleshooting
• Worked on Hard disk replacements for linux servers.
• Worked on Mother Board/System Battery replacements in Solaris 10 and 11.
• Build a Dev/QA/Production environment when needed, new datacenter build up support.
• Provisioned hard blades and VMs with Cobbler and Puppet
• Setup new environments/jboss application
• Install and maintain 3rd-party applications like BPM, TeamWorks, WordPress, etc
• Worked with other teams closely to support and resolve/close Jira tickets in time to meet the SLA
• Worked with QA/Dev teams on fixing Jira tickets and bugs.
• Worked on Mother Board/System Battery replacements in Solaris 10 and 11.
• Responsible for Solaris/LINUX support, production support in an operational environment. Includes adding file systems, zpools, sudo access, clustering, network troubleshooting etc.
• Worked on increasing the size of file systems in Linux by using LVEXTEND
• Installed Splunk forwarder for all Linux and Soalris servers in the Environment.
• Wrote the the script to enable the Ldap client in all the servers.
• Wrote the script to create the zones and zfs file systems

Confidential, Northbrook, IL

Linux Admin

Responsibilities:

• Worked with vendors on hardware replacements to restore the services as per Service Level Agreement(SLA)
• Server deployment configuration for Data Center Migration and consolidation.
• Server Application Migration during Data Center Migration.
• Provision New Hardware in Data Center infrastructure, Installation, Maintenance and administration.
• Resolved the tickets that are in the ticket queue and documented commonly known fixes and kept in the Knowledge base for the future purpose.
• Hands on experience of tuning the kernel parameters as per application needs and for performance.
• Expertise experience in installing/upgrading the packages and doing patching during off business hours.
• Worked on Firmware upgradations of the server before patch.
• Worked on setting up auto mount file systems using auto master and auto.local in both Solaris and Linux servers.
• Worked on Red hat Linux Virtual server builds.
• Worked on Server hardening for the recently build servers.
• Worked on increasing the size of file systems in Linux by using LVEXTEND.
• Worked on Decommissioning/ Remediating the Servers.
• Worked on Hard disk and CPU module replacements.
• Worked with DBA team for executing their scripts
• Worked with application support for creating the inbound and outbound scripts.
• Experience in Server monitoring, capacity planning, application monitoring with the help of Nagios, Zabbix
• Expertise experience in creating and administrating of local users and groups accounts.
• Overall system hardware trouble shooting and maintenance

Environment: Solaris 9/10/11, X series X4450, X4150, X4275 Servers, T Series T2000, T5120, T5220, T5240, T3-1, T3-2, T4-2, T5-2, T5-4, T5-8, M5000, Sun Fire V490 Servers, SAN/EMC storage, Power Path, ZFS/Zpool, Solstice Disk suite, Veritas Volume Manager, Service Now, NIS, NFS and LDAP.

Confidential, Newark, NJ

Linux Administrator

Responsibilities:

• Worked with vendors on hardware replacements to restore the services as per Service Level Agreement(SLA)
• Part of the Data Center migration team, handling server backups and maintaining the server inventory list, getting server up and running after the Data Center migration.
• Resolved the tickets that are in the ticket queue and documented commonly known fixes and kept in the Knowledge base for the future purpose.
• Installed and configured Solaris physicals, Control Domains and LDoms.
• Installed and configured Zones (virtual servers) for Solaris 11/10 Server.
• Actively participated in patch and package management.
• Worked on applying Kernel Patch on 150+ Solaris servers for SPARC and X86 Servers.
• Worked on firmware upgradations for all the Solaris and Linux Servers.
• Worked on Memory issue for Linux boxes.
• Worked on Installation, Configuration and troubleshooting of Red hat Enterprise Linux 6 Servers.
• Worked on Legato Networker client installation for the all the servers in the Environment.
• Worked on TCP/IP tuning parameters for Legato Backup and setting up in RC script.
• Created Root Disk mirroring using both Solaris Volume manager.
• Worked on increasing the size of file systems in Linux by using LVEXTEND.
• Performed Zone administration using zoneadm and zlogin commands.
• Hands on experience on Building DR servers
• Developed PowerShell and T-SQL scripts for pre installation, post installation, pre migration and post migration checks for Data Center migration.
• Participated in 24X7 (Oncall) Support.
• Hands on Experience with Solaris 10 zones and zoneadm/zlogin/zonecfg commands
• Hands on experience of tuning the kernel parameters as per application needs and for performance.
• Expertise experience in installing/upgrading the packages and doing patching during off business hours.
• Expertise experience in configuring and administrating of ZFS/Zpool, Logical Volume manager.
• Worked on TEM (Tivoli Endpoint Manager) and puppet tools for patching the Linux servers.
• Worked with the application team Weblogic/JBoss for creating the file systems.
• Expertise experience in configuring and administrating of RHN Satellite server.
• Disk space and Performance monitoring
• Periodical Health checkup of Servers
• Worked on scheduling the jobs via crontab.
• Overall system hardware trouble shooting and maintenance
• Hands on experience of Installation, Configuration and troubleshooting of Red hat Enterprise Linux 5 &6.
• Expertise in RHEL Kick Start Installation
• Expertise in Package Administration and Building YUM repositories
• Expertise experience in configuring and administrating of RHN Satellite server.
• Expertise experience in configuring and administrating of Logical Volume manager.
• Hands on experience of tuning the kernel parameters as per application needs and for performance.
• Hands on experience of configuring and troubleshooting of disk based & distributed file systems like ext3, ext4, NFS, Auto FS.
• Overall system hardware trouble shooting and maintenance.
• Proficient in building RHEL Servers in VMware Platform
• Expertise experience in creating and administrating of local users and groups accounts.
• Worked on taking the snapshots before patching.
• Expertise experience in installing/upgrading the packages and doing patching during off business hours.
• Worked on TEM (Tivoli Endpoint Manager) and puppet tools for patching the Linux servers.
• Worked on automation tools such as Puppet, Chef.
• Installed and maintain Chef Configurations for a wide range of servers to make server maintenance and operation automated.
• Worked with the application team Middleware, JBoss for creating the file systems.
• Setup the following servers, print, DNS, NIS, NFS, LSF and Cron
• Monitored environments with Nagios and Zabbix 2.0 with multiple proxies for Linux, Windows, NetApp, Nimble, Cisco, APC, UPS, and Dell Enterprise RAC Implemented business logic in Python to prevent, detect and claim the duplicate member entries.
• Disk space and Performance monitoring
• Periodical Health checkup of Servers

Environment: Solaris 9/10, X series X4450, X4150, X4275 Servers, T Series T2000, T5120, T5220, T5240, T3-1, T3-2, T4-2, T5-2, T5-4, M5000, Sun Fire V490 Servers, SAN/EMC storage, Power Path, ZFS/Zpool, Solstice Disk suite, Shell Scripting, Veritas Volume Manager, NIS, NFS and LDAP.

Confidential

Technical Service specialist

Responsibilities:

• Worked with vendors on hardware replacements to restore the services as per Service Level Agreement(SLA)
• Actively participated in patch and package management
• Worked on EP2 remediation project - Scan the results and remediate security vulnerabilities
• Participated in 24X7 (Oncall) Support for Level3 Server Team
• Build new Solaris 10 servers and promote to production
• Hands on experience of Installation, Configuration and troubleshooting of Red hat Enterprise Linux 5 &6.
• Expertise in RHEL Kick Start Installation
• Expertise in Package Administration and Building YUM repositories
• Expertise experience in configuring and administrating of RHN Satellite server.
• Expertise experience in configuring and administrating of Logical Volume manager.
• Hands on experience of tuning the kernel parameters as per application needs and for performance.
• Hands on experience of configuring and troubleshooting of disk based & distributed file systems like ext3, ext4, NFS, Auto FS.
• Overall system hardware trouble shooting and maintenance.
• Proficient in building RHEL Servers in VMware Platform
• Expertise experience in creating and administrating of local users and groups accounts.
• Expertise experience in installing/upgrading the packages and doing patching during off business hours.
• Worked with the application team JBoss for creating the file systems.
• Disk space and Performance monitoring
• Periodical Health checkup of Servers

Environment: VMware, Solaris 9/10(U1-U6), Sun/Oracle Enterprise Servers, V Series, T Series, X Series, Sun Fire Series, X86 servers, EMC Symmetrix/CLARiiON, EMC PowerPath, MPXIO, SVM, ZFS, Veritas Volume Manager, Assyst, Remedy, PCA tool (for Patch Installs)