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, IBM 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 asPuppet, 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 System 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

Confidential, Troy, MI

System Admin

Responsibilities:

• Incident Management: Troubleshoot and escalate Software/Hardware Issues as per Service Level Agreement (SLA) and update tickets with documentation
• Change Management: Execute and close Change Controls with proper documentation
• 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.
• Worked on Providing the access to the users via AD authentication.
• 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 asPuppet, 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.
• 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:

• Incident Management: Troubleshoot and escalate Software/Hardware Issues as per Service Level Agreement (SLA) and update tickets with documentation
• Change Management: Execute and close Change Controls with proper documentation
• 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
• File System Management: Worked with ZFS, Solaris disk suite, Veritas Volume Manager to create file systems on Solaris servers.
• Created Root Disk mirroring using both Solaris Volume manager and Veritas Volume Manager.
• Performed various OS upgrades on Solaris servers.
• Worked on Solaris kernel tuning for both Oracle Databases and applications for optimal performance.
• Involved in storage capacity planning for Solaris servers.
• Installed/configured EMC Powerpath/MPXIO
• Coordinated precise scheduling for all migration events including all equipment and resources for the data center migration on an extremely accelerated schedule with for a high profile client.
• Worked on TEM (Tivoli Endpoint Manager) and puppet tools for patching the Linux servers.
• Involved in Data Center Migration and Consolidation projects.
• Worked with storage team for SAN Path reduction
• 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)

Confidential

Principal Infrastructure Engineer - Unix/Solaris System Administrator

Responsibilities:

• Incident Management: Troubleshoot and escalate Software/Hardware Issues as per Service Level Agreement (SLA) and update tickets with documentation
• Change Management: Execute and close Change Controls with proper documentation
• Problem Management: Document Root Cause Analysis(RCA) for Severity 1 and 2 Tickets
• Initiate and Execute Emergency Change Controls with proper approvals
• Document Pre-Migration, Migration and Post-Migration activities
• Server Provisioning Process
• Install OS
• Configure OS and Create Application File Systems as per Build Sheets
• Update DNS and Change Controls
• Run SOX Compliance Scripts
• Coordinate with Onsite/Network/DBA/Storage/Application Teams
• Promote to Production
• Update ADMS for Server Documentation (Hardware/Software Elements)
• Server De-Provisioning (Decommission) Process
• Disk Scrubbing and File System Removal
• Configuring Storage LUNs and Network Interfaces
• Update ADMS for Server Documentation (Hardware/Software Elements)
• Update DNS and Change Controls
• Process Implementation and Documentation
• Document Technical and Non-Technical Work Flows with Visios, PowerPoint, Excel and Word Documents
• Maintain the Processes with Version/Revision History in Erooms/Documentum/IQMS Library
• Review and Approve Document Changes and Create new Process Documents
• Risks and Issues Documentation
• Identify Project Risks and Issues
• Document and Escalate to Project Manager/Leader
• Track and follow-up Risks and Issues
• SOX Compliance Guidelines
• Update Scripts for Platform and Maintain in Knowledge Base
• Raise Incidents for any issues with the scripts
• Coordinate and fix script issues
• Document and close Tickets/Change Controls
• Build / install Solaris 10 operating system on various Sun servers using custom jumpstart, interactive (CD/DVD) methods
• Worked on scheduling the jobs via crontab.
• Responsible for Solaris/LINUX support, production support in an operational environment. Includes adding file systems, zpools, sudo access, clustering, network troubleshooting etc.
• Configured network interfaces using dladm, ifconfig utilities on Sun Solaris servers.
• Installed and configured Sun/Oracle whole and sparse root zones on Solaris 10 servers
• Supported Veritas cluster server 4.1 & 5.1 for high availability and failover applications
• Performed tasks likecreation of zfs pools, replacing failed disks, scanning of EMC symmetrix LUNs, assigning storage to servers.
• Gathered system activity and performance reports, process statistics using UNIX utilities such as sar, iostat, kstat, vmstat,top, lsof, dtrace, prstat etc.
• Configured ALOM/ILOM, Console on Sun/Oracle servers for remote access
• Prepared Unix Build documents, spreadsheets and steady state checklists for newly built servers to keep the systems secured & updated with standards.
• Used SVM and Veritas volume manager to create volumes using EMC LUNs and provided redundancy during failure. Also created zfs files systems on Solaris 10 using zpools from EMC LUNs.
• Performed Solaris P2V, Solaris zones, containers migrations.
• Install recommended patches & packages on Unix servers in production & development environment both manual and automated (Scripts/Opsware Tool)
• Coordinated with parallel support teams (Network/Storage/Application/DBA) in troubleshooting/resolving Production Issues

Environment: Solaris 8/9/10(U1-U6), Sun/Oracle Enterprise Servers, V Series, T Series, Sun Fire Series, EMC Symmetrix/CLARiiON, EMC PowerPath, MPXIO, Solstice Disksuite/SVM, ZFS, Veritas Volume Manager, DNS/LDAP, Remedy, Shell Scripting, Opsware (HP Server Automation Tool for OS and Patch Installs)

Confidential, Chicago

Unix System Administrator

Responsibilities:

• Installed/Configured/Maintained 30 Sun Servers with Solaris 10 with Zones.
• Created/Tested/Maintained Build Sheets for OS and applications/tools configuration.
• Configured Enterprise Kerberos security as per security standards/rules
• Performed Disk Cloning for Web Servers to achieve uniqueness
• Configured disk suite mirroring for boot disks for disaster recovery and failover
• Created/Maintained Roles using RBAC commands as per customer demand
• Administered Root Privileges/Responsibilities to different groups using RBAC commands
• Extensively involved in Unix Security by creating/updating/deleting User Accounts based on Change Controls
• Created FLARs using flarcreate commands
• Performed patch and package management and documented in Knowledge Base
• Performed Solaris Live Upgrade from Solaris8 to Solaris10
• Extensively worked on TIBS backups
• Performed File System management using Disk Suite (SVM), Veritas Volume Manager and ZFS
• Installed/Configured/Maintained Solaris 10 Zones using zonecfg/zoneadm/zlogin
• Performed Zone administration using zoneadm and zlogin commands.
• Hands on experience with Solaris 10 SMF features - svcs/svcsadm/svccfg/inetadm.
• Worked with LDOMS/Containers.
• Coordinated and worked with application developers to fix application and OS related issues.
• Configured/maintained build pools using pooladm/poolcfg in Solaris 10 zones.
• Worked with SAN Storage on lun allocation, masking and zoning.
• Monitored and administered Corporate TIBs Back Ups.
• Performed Bench mark testing on file systems using Disk Suite and ZFS.
• Extensively involved in planning and implementation of new servers in the environment.

Environment: Solaris 8/9/10, E450 servers, T2000 servers, SunFire 280, SunFire V240, SAN/EMC storage, PowerPath, Solstice Disksuite, Veritas Volume Manager, BMC Patrol, NIS, NFS and LDAP