SUMMARY:

• Certified RedHat Systems Analyst (RHCSA) with over 10 years of IT industry experience in Linux (RedHat RHEL 5.x/6.x/7.x., Centos), UNIX (Solaris, HP - UX, AIX) and Solaris operating systems.
• Experience working directly with application owners in project and service areas, and interfacing with technical analysts in infrastructure. Excellent verbal and written communication skills.
• Experienced in installing, configuring and upgrading Linux, AIX, HP-UX, and Solaris physical and virtual servers using manual and automated installation for hardware upgrades, operating system upgrades, and data center migrations.
• Experienced on remote installation, configuration, and maintenance of servers using PXE (KPXE, GPXE) and PUPPET for OS loads, patching, creating profiles, building filesystems, deploying user and groups IDs, and installing and configuring applications.
• Experience writing korn and bash shell scripts for ad hoc and reusable automation of reports, data collection, and installation and configuration of patches and packages. Also experienced with Redhat Satellite Server.
• Experience working with database servers on Oracle Enterprise, Confidential DB2, Confidential DB2/DPF.
• Managed the overall administration of Windows System Applications
• Performed various troubleshooting and maintenance operations in Windows Server Requirement.
• Build servers for production and test environments following the required build procedures.
• Extensive experience in building servers using Jumpstart, Ignite and Kickstart processes.
• Experience in configuring NIS, NIS+, NFS, SMTP, DNS, DHCP, Mail Server, LDOM and Samba Server in a heterogeneous environment.
• Experience in installation, configuration, maintenance and troubleshooting the Zones/Containers, SMF and ZFS on Sun Solaris. Managed resources for Zones using Solaris 10 Container Technology.
• Experience in USER MANAGEMENT by giving sudo access to the users.
• Solaris Live Update Technology associated with an operating system upgrade or maintenance.
• Experience in installation, configuration, file system management of Soft Partitions and RAID volume management through Veritas Volume Manager, Solaris Volume Manager (SVM), Logical Volume Manager 1&2(HP-UX, Linux), Global File System, OCFS2.
• Experience in implementing High Availability Clusters using Redhat Cluster Server using EXT3 and EXT4, Veritas Cluster file server, HP Service Guard, and Informatica Grid.
• Excellent Knowledge in Capacity Planning and Performance tuning.
• Worked on Performance monitoring utilities like IOSTAT, VMSTAT, SAR, TOP and PRSTAT
• Worked on 3rd level operating system support team doing Incident Management, Problem Management, & Change Management.
• Installing of Oracle (10g & 11g), Confidential DB2 (V9.5, V9.7 & V10.1) and Weblogic (9.3 & 10) on RHEL, OEL and Solaris.
• Ability to work in team oriented environment with excellent troubleshooting and problem management skills.
• Good working experience in installing, upgrading, configuring application servers like JBOSS, APACHE and WebLogic servers.
• Experience in Linux printer management using CUPS and SAMBA CLIENT with Windows server.
• Experience in upgrading and degrading kernel versions and SAN multipathing in Linux.
• Experience in backup and restore operation on multi platforms using Veritas Net backup.
• Good working knowledge in registering different client servers to master Redhat Satellite Server.
• Experience in UNIX and LINUX performance tuning and performance monitoring.
• Experience in Migrating UFS root file system to ZFS root file system using Live Upgrade.
• Experience in Security Hardening in UNIX, Linux and Windows servers.
• Experience in troubleshooting OS, Crash recovery and performance tuning activities Skilled at investigating and resolving system problems with minimum time
• Administrative tasks periodically like cleaning of system log files, var files, removing temp files, checking file system, scheduling jobs and creation of user accounts.
• Extensive experience in IPMP (IP Multipathing) in Solaris and Network Bonding in Linux.
• Experience of working in Data centers with 24X7 Production and On-Call Environment.
• VMware Infrastructure 3.x, 4.x Installation & Configuration.
• Planning and Designing VMware (ESX4.x/ESX5.x/ ESXi/ Thin ESX and VMware Virtual Center).
• Experience in installation and configuration of XEN VIRTUALIZATION.
• Extensive experience in data center environment using ESX server 3.5, 4, 4.1; ESXi 4.1, 5.0, 5.1 with added plug-ins on Linux and Windows environment.
• Extensive knowledge of configuration and management of ESX and ESXi servers using high availability, DRS, DPM, VMotion, Storage VMotion and Fault Tolerance.
• Proficient with virtual machine Clones, Templates, Snapshots, Migration.
• Used VMWare VMotion to eliminate application downtime from planned server maintenance by migrating running virtual machines between hosts, and to migrate live VM disk files within and across storage arrays.
• Implementation of RAID levels like 0, 1, 0+1, 5 using VERITAS Volume Manager.
• Implemented and managed IP Addressing, configured TCP/IP addressing on a Server and experience of network protocols.
• Good exposure to Network Storage Solutions like DAS, NAS, LDAP and SAN.
• Technical professional with management skills, excellent business understanding and strong communication skills.
• Able to thrive in a rapid changing environment and quickly learn new technologies with total attention to details.
• Time management and scheduling for all related jobs.
• A Good team player with ability to lead a team by example and motivate them to achieve desired objectives. Willing to take on extra responsibilities to get work done.

TECHNICAL SKILLS:

Version Controlling Tools: Subversion, Clear case, GIT, Perforce

Build/CI Tools: ANT, Jenkins, Bamboo, Chef, Puppet

Programming Languages: Java/J2EE, PYTHON, RUBY, Perl (Very little exposure), C, C++, Java, C#

Scripting Languages: Korn and Bash Shell scripting, Python, Perl scripting

Operating Systems: RHEL(5/6/7), Centos, Ubuntu, Windows 2012 R2, UNIX, LINUX, Mac OS

Database: Oracle 11g/12g, SQL Server, MySQL, Confidential DB2 V9.x/10.x/11.x

Web/Application Servers: Web logic, JBoss, WebSphere, Apache Tomcat

Bug Tracking Tools: JIRA, Rally, Fisheye, Crucible, Remedy, HP Service Manager and Confidential Clear Quest.

Oracle Fusion Middleware Application Server: Oracle SOA Suite 10.1.3.0, 10.1.3.5, Oracle SOA Suite 11.1.1.3,11.1.1.5 (BPEL, ESB, OSB, BAM), Oracle BPM 11g, Oracle AIA 11g

Developer Tools: Oracle J Developer Studio 10.1.3.4,10.1.3.5,11g

Adapters: DB Adapter, Oracle Apps Adapter, JMS Adapter, MQ Adapter, AQ Adapter, File Adapter, Siebel.

Applications: Oracle Application Server - 10gAS and 9iAS, Oracle Fusion middleware 11g R1, Oracle SOA suite, oracle Portal, Forms, Reports and Discoverer. Oracle WebLogic server, Developer, Apache, Tomcat

Operating Systems: Windows 95/98/NT/2000/XP/8/2008 R2/ 2012 R2, UNIX - Solaris, LINUX - RHEL 5/6/7

Hardware/Storage: Sun E4500, Sun E10K, HP9000, RS6000, HP DL 380 G6/7/8, HP DL 580 G6/7/8, Dell R710/R910, NetApp, EMC, VERITAS NetBackup, Tivoli Storage Manager (TSM).

Cloud: AWS, Rackspace

PROFESSIONAL EXPERIENCE:

Confidential, IL

Lead System Analyst/DevOps Engineer

Responsibilities:

• Served on 3rd level UNIX/Linux operating support team assigned to several different releases:
• Data center migration effort
• UNIX to Linux migration effort
• Linux Operating System upgrade effort
• Hardware upgrade effort
• Worked on 3rd level operating system support team doing Incident, Problem, and Change Management using HP Service Desk.
• Gathered requirements from the OS perspective and also helped the application owners and server owners to understand what infrastructure services are utilized by their servers.
• Migrated data between servers across the LAN and WAN for Operating System migrations and data center migrations, ensuring that no data was lost.
• Fostered good communication between the different infrastructure areas - application teams, firewall team, SAN team, Testing and user groups for successful migration of the servers.
• Installed, configured, and upgraded RedHat Linux 5.x/6.x/7.x and Oracle Enterprise Linux 5.x/6.x/7.x systems.
• Installed, configured Windows Server 2012 R2 on Virtual VMWare ESXi5.5
• Migrated Windows servers from one Data Center to Other Data Center and also migrated to other Host group using VMWare VMotion tool both online and offline.
• Installed, configured, and upgraded Confidential DB2 9.x/10.x/11.x and Confidential DB2 DPF on RedHat Linux 5.x/6.x/7.x Linux servers.
• Installed, configured, and upgraded high availability clusters (HACMP, Oracle RAC) for business-critical applications.
• Experience on configuring RDM storage to support Informatica Grid high availability cluster with Veritas Cluster Filesystem.
• Extensive experience on migration of WebSphere Application Servers (WAS) ensuring there was no down-time for business facing applications.
• As lead for 6 Linux analysts, provided technical guidance, workload management, and oversight of daily duties for the team.
• Familiar with Agile methods to manage prioritization of work.
• Hands on experience with tools: Git/Github, Chef, Jenkins, OpenStack, VMWare and open source software to build automated testing and delivery pipelines.
• Configured Kibana to visualize dashboard for Jenkins logs.
• Extensive experience in Backup, restore of OS using Bacula tool and also scheduling jobs.
• Worked on the Monitoring and analyzing system performance using Tuned, Ktune and Application profilers like sytemtap, valgrind and perf on the RHEL systems.
• Configuration of NIC cards with Static IPs, Bonding of NIC cards.
• Trunking VLANs to virtual servers on VMWare ESXi host through VSphere client.
• Implemented and managed IP addresses, configured TCP/IP addresses, and experienced using network protocols.
• Worked on improving the performance of the migrated Linux systems by tuning Kernel Parameters.
• Preventative and proactive system monitoring functions and real-time responses encompassing: systems administration, OS-level SAN administration, backup and restore and security remediation.
• Configured and maintained servers using VMware ESXi. Experienced at adding new disks to the VM from the Host group.
• Experienced in cold migration of VMWare Virtual servers between hostgroups using VMotion tool.
• Extensive use of Logical Volume Manager (LVM) with EXT2/3/4, creating volume groups, logical volumes, and disk mirroring in RHEL and OEL.
• Experience in setting up and configuring Install Server, Configuration Server and Boot Server for Kick start process & performing Kick Start to install OS.
• Experience on installing, configuring and upgrading of servers using PXE (KPXE, GPXE) through PUPPET and Redhat satellite servers.
• Migrate VMs across hosts within a HA Cluster to perform maintenance tasks on ESXi hosts.
• Created clones from existing VMs (both live and powered-off). Destroyed VMs when no longer needed.
• Deployed several VMs from templates and customized their configuration as needed.
• Responded to server down alerts in a timely manner and bought them up via HP ILO/ DELL IDRAC.
• Experience in creating Puppet profiles for servers.
• Created users, managed user permissions, and maintained user and filesystem quotas on RedHat Linux.
• Patch management of hosts and VMs using VMware Vcenter update manager.
• Installation and Configuration vCenter HeartBeat for vCenter failover and failback.
• Configuring NFS, NIS, NIS+, DNS, LDAP, Auto-mount and disk space management on UNIX/Linux servers.
• Installation, configuration and upgrade of Apache, JBOSS, Web sphere, MQSeries, Oracle & Confidential Databases on the RHEL and OEL Linux Systems manually and also through Puppet.
• Configured servers and infrastructure running Redhat on JBOSS, using PUPPET to configure, install, manage and bring up JBOSS and applications.
• Installed and configured JBOSS Applcation servers on DEV, QA and PROD Systems.
• Tuned OS parameters like SWAP and virtual memory settings to improve the JBOSS performance.
• Using Wire shark Capture and analyze TCP, UDP, IP Packets.
• Experience in implementing high availability clusters using Red hat Cluster Solution (RHCS) with EXT3 and EXT4 file systems, VERITAS Cluster with VERITAS volume manager.
• Experience in the transfer of large amounts of data over the LAN and WAN for migrations. In some cases, the data for a single server was close to 100TB.
• Extensive use of rsync utility to migrate data between servers.
• Day to day troubleshooting and support for the end users newly migrated to Linux.
• Provided tested and documented solutions for the second level infrastructure support teams for cutover activities from UNIX to LINUX which involves various scenarios like Hostname Swap, Hostname and IP swap, IP swap.

Environment: HP Proliant-DL 360 G7, DL 380 G6, DL 380 G7, DL 380 G8, DL 580 G4, DL 580 G7, DELL Power Edge R series, JBOSS 4.2.3 & JBOSS 5.1 EAP, Confidential Power 570,p5 505 Express servers, Red-hat Linux 5.x 6.x, OEL 6.x, Windows 2000/2003, VMware Infrastructure(ESX and ESXi) 3.x/4.x/5.x, NFS, DNS, LDAP, Net App NAS, Apache, Oracle 9/10/11g, Confidential DB2 9.x/10.x, SAN.

Confidential, CA.

System Administrator

Responsibilities:

• Installation, Configuration and Upgrade of Solaris 8/9/10, Redhat Linux AS 4/5, HP-UX 11i, AIX 5.3 operating systems.
• Installation and Configuration of Veritas Volume Manager, Veritas File system and Veritas Cluster Server.
• Implementation of RAID techniques and the creation of Disk groups and volumes, plex using Veritas Volume manager.
• Modified Kernel parameters and rebuilt kernel on Linux, HP-UX environment.
• Efficiently managed Disk and File system through Veritas Volume Manager, Solstice Disk Suite, and Logical Volume Manager.
• Extensive experience with working on Solaris Volume Manager (SVM), creating Meta devices, soft partitions, mirroring the devices.
• Extensive Space allocation to Meta devices, detaching and clearing the devices if not in use.
• Day to day trouble shooting for end users on UNIX/LINUX
• Extensive use of Logical Volume Manager (LVM), creating Volume Groups, Logical volumes and disk mirroring in HP-UX, AIX and Linux.
• Experience in configuring NIS, NIS+, NFS, MTA (SMTP, POSTFIX, QMAIL), DNS, DHCP, Mail Server, LDOM and Samba Server.
• Experience working on EMC Symmetrix/Clarrion, Hitachi Data System (HDS), HP and Confidential Storage.
• Performed setting up Configuration Server and Boot Server for Jumpstart process and using tape-Recovery for file system recovery.
• Extensively worked on Solaris 10 container technology, created non global zones, modified local zone parameters, created file systems on local and global zones.
• Extensive experience in troubleshooting for zones.
• Extensively worked on Confidential, HP and DELL Blade Server
• Worked on server consolidation and migration.
• Configuration and Administration of Veritas Cluster Server
• Installation and configuration of Solaris Zones.
• Expertise in managing ZFS in Solaris Container.
• Extensive experience in configuring Global File System(GFS) and Zeta byte File System(ZFS)
• Performed automated installations of Operating systems using Jumpstart, Flash Archive for Solaris and ignite for HP-UX
• Backup management and recovery policies using Veritas Netbackup.
• Worked on SAN/EMC storages with HBA card configuration and different level of RAID configuration.
• Used VMWare for testing various applications on different operating system.
• Helped to establish standards, policies and procedures for all aspects of Unix server environment like administration, documentation and configuration.
• Worked on Solaris10 container technology, created local and global Zones, modified local zone parameters, created file systems on local and global zones.
• Worked in ZFS and QFS and fixed the problems occurred, set the quota and reservations for such file systems.

Environment: Solaris 10/9/8, Linux RHEL 5, HP-UX 11/11i,AIX 5.3L, Windows 2008/2003, Sun Fire 6800/E6500 Server, E10K/15K/25K, T5000, Sun Fire 280, 440, 480, 490, 880, 1280, X2250, EMC, Confidential RS/6000, Confidential Power 570,p5 505 Express servers, Apache 2.x,3.x,SAN /EMC.Veritas Volume Manager 5.0, Veritas Netbackup 6.0

Confidential, VIRGINIA.

System Administrator

Responsibilities:

• Installation, Configuration and Upgrade of Solaris 9/10, Redhat Linux AS 4/5, HP-UX 11i, AIX 5.3 operating systems.
• Installation and Configuration of Veritas Volume Manager, Veritas File system and Veritas Cluster Server.
• Implementation of RAID techniques and the creation of Disk groups and volumes, plex using Veritas Volume manager.
• Providing online support for Sun/Linux servers in a Data Center Production Environment
• Configure Linux Redhat Servers with Kickstart, LDAP, DNS and DHCP and connect to network.
• Adding/expanding new storage to existing/new systems using LVM1&2 and Multipathing.
• Providing support for Sev-1 and Sev-2 siebel tickets of Multiple Data Center across World and RCA preparations for SEV-1 tickets.
• O/S (Linux, Solaris, HP-UX and AIX) building for different Data Centers.
• Member of the change management process to get the respective approvals (LOB-SME & APP-SME).
• Maintaining SLA in a proper and proactive manner.
• Creating and managing shared disk groups in clustering environment.
• Troubleshooting network, application, and server related issues.
• Modified Kernel parameters and rebuilt kernel on HP-UX environment.
• Extensive experience with working on Solaris Volume Manager (SVM), creating meta devices, soft partitions, mirroring the devices.
• Extensively worked on Solaris 10 container technology, created non global zones, modified local zone parameters, created file systems on local and global zones.
• Created and managed multiple full root zones (containers) for application hosting.
• Creating mounts for the zones, extending the size of zone mounted partition (online as well as offline) as per the company’s policies.
• Created GFS File system in RHCS environment and supported oracle RAC (Real Application Cluster).
• Created and implemented Hugepages for support of Oracle Applications.
• Creating, Increasing, Shrinking, Restarting, Replacing, and Removing the Volumes and Volume objects.
• Resolving day to day end user issues using ticketing tool SIEBEL.
• Patch and package administration for installation of patches as per the company policy and installation of packaged application
• Troubleshooting in Confidential /HP hardware
• Installation and configuration of Network Printers using CUPS
• Configuration of Printers sharing with Windows Server at customer end using SAMBA CLIENT
• Installation and configuration of third party tools like ROBOT AGENT, Confidential TIVOLI MONITORING and SUBVERSION (SVN).
• Responsible for upgrades to Redhat Linux and Software packages and maintained them in accordance with established policies, procedures and service level agreements.
• Installation and configuration of Solaris Zones.
• Expertise in managing ZFS in Solaris Container.
• Configured and created snapshots of clones of LUNs using EMC Snap View
• Implemented replication of data within sub storage systems using SAN Copy and Mirror View software
• Worked in GFS, GPFS and OCFS2 and fixed the problems occurred, set the quota and reservations for such file systems.
• Creating Service and Human accounts in servers as per customer requirement and providing SUDO Access.
• Giving support in OS level by monitoring File System (EXT3, GFS2), CPU and Memory utilization of Processes, Applications like Oracle and JAVA.
• Installation and configuration of XEN VIRTUALIZATION and deploying the OS (LINUX) and Applications (Oracle, JAVA) on the XEN GUEST DOMAINS.

Environment: Solaris 10/9/8, Linux RHEL 5, HP-UX 11/11i,AIX 5.3L, Windows 2000/2003, Sun TSeries and MSeries servers, Sun Fire 6800/E6500 Server, E10K/25K, T2000, Sun Fire X2250, EMC, Confidential RS/6000, Confidential Power 570,p5 505 Express servers, Apache 2.x,3.x,SAN /EMC.Veritas Volume Manager 5.0, Veritas Netbackup 6.0

Confidential

UNIX System Administrator

Responsibilities:

• Operating Systems: Solaris 9, 8, Red Hat Linux 3, HP-UX, AIX.
• Cluster S/w: VERITAS Cluster Server 4.0/3.5/2, Sun Cluster 3.0/2.2, HP MC/ServiceGuard A 11.01/10.11
• Good experience in installation, configuration and maintenance of Sun servers and Solaris Operating Environment Solaris 8, 9 and HP Servers with HP-UX 11.00.
• Experience in configuring and trouble shooting of Custom Jumpstart services multiple servers
• Experience with High Availability Services like VERITAS Cluster Server 4.0
• Experience in configuration of NFS and Naming services like NIS and DNS.
• Performing Volume Management using VERITAS Volume Manager 4.0/3.x
• Applying Support Packages and Patches
• Resolving day to day end user issues using ticketing tool Remedy
• Extensive Experience in System monitoring, Performance tuning and secure the Solaris environment. Administered tasks like user and password management, allocating quotas to users as well as system startup and shutdown, monitoring and partitioning
• Performed various tasks like administering, monitoring and troubleshooting Solaris 8
• Installation, upgrade, configuration and management of a large network environment consisting of Sun servers (Sun fire 6800, 4800, v480, E6500, E5500, E3500, E450), Sun workstations (Ultra 10, 20)
• Setting up and maintaining NFS, DNS (Master/Slave)
• Setting up NIS including configuration and trouble shooting of master, slave servers and set up of the clients
• Implementation of RAID techniques and the creation of Disk groups and volumes, plexes using VERITAS Volume Manager 4.1. Managing disks and file systems using VERITAS Volume Manager
• Configuring HA using VERITAS Cluster Server 3.0 for agents like NFS, Sendmail
• Performed setup and configuration of Install Server, Configuration Server and Boot Server for Jumpstart process.
• Creating System Disk Partition, Mirroring root disk drive using VERITAS Volume Manager
• Creating Backup account for new users and Deleting account for the retired or deleted users
• Maintaining and recycling backup Tapes upon request from company
• Setup, Installation, configuration of Solaris 8 with NIS, NIS+ and NFS facilities.
• Patch and package administration for installation of patches as per the company policy and installation of packaged application
• Worked on DNS. Was involved in the configuring Master and Slave servers for the domain and making zone files
• Configuring the NIS master, NIS Slave and configuring the NIS clients.
• Implementing file sharing on the network by configuring NFS on the system to share essential resources.
• Installing Windows NT 4.0 and Windows 9X according to client requirements.
• Installed NETFAX Software on Windows NT 4.0 and configured server to routing the faxes.
• Remotely administering the Web servers by the checking the status of the Daemon and Big Brother tool.
• Implemented the RAS Server on Windows NT 4.0 so that users connect to this server and get the mails from UNIX machine.
• Proficient in configuration of VERITAS Cluster Server (VCS), fail over test of VCS groups, adding/modifying VCS resources such as File Systems
• Thorough experience on VERITAS Storage Foundation, VERITAS Volume Manager, VxFS, Sun Cluster
• Experience of Storage Area Network/SAN
• Experience on Storage arrays such as EMC Symmetrix
• Troubleshooting Sun Solaris problems, logging call with Sun, Involvement in Racking servers.

Environment: Sun Solaris (2.7, 8, 9), AIX (4.2), HP-UX (11.0), Windows-2000/2003 Sun Ultra E 4800/3000/450/250, Sun Fire 4800/3800, HP-9000, RS-6000, Veritas Foundation Suite