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Sr. Unix Administrator Resume

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New York, NY

SUMMARY

  • Talented Linux and Unix Systems Administrator with over 12 years of experience managing and supporting NetApp Storage System, Red Hat Enterprise Linux, troubleshooting procedures, upgrades, performance tuning, building & administering Apache Webserver, Virtual Hosts, LAMP Servers, DAS, SAN, NAS, project leadership, providing 24/7 on - call support for production servers, TCP/IP networking as well as monitoring and reviewing server infrastructure to ensure optimal performance.
  • Excellent communication and interpersonal skills.
  • Experience managing Xymon to Zenoss migration, speeding up root-cause service failure analysis
  • Experience with day to day System Administration tasks like new Builds, Installs, Upgrades, Patches, Migration, Trouble shooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on UNIX (SUN Solaris, Red Hat Linux and HPUX) Systems.
  • Experience in set-up and managing Middleware technologies OracleWeblogicsuite/JBOSS/Tomcat and Web servers Apache.
  • Experience working in Large and small scale Data Center Environments supporting Servers, Storage and Tape Libraries and Implementing Virtualization using VMware ESX 3.5 & 4.x Versions for Red hat Linux 5.x (5.3 &5.4) & 6.x and Windows and Solaris Zones & LDoms in Solaris 10 on Physical servers.
  • Experince with Splunk in creating Dashboards for generating the reports as required by Business and installing and configuring 3.x and 4.x versions on Linux /Solaris.
  • Experience in the installation of server, SSU shared storage unit, Scalar100,HP Proliant, Confidential Tape E Series, VMWARE, viber optic cabling.
  • Experience in Configuring and Monitoring using NAGIOS, NAGVIS, NDOUTLS, ZENOSS, and MRTG.
  • Configured SUN console for Sun hardware, Sylo for media library, perform operational testing of software and hardware before backup run time.
  • Extensive experience in Online and Offline Migrations using LVM, EMC & VERITAS Volume Manager, Experience working with EMC SAN Storage devices like DMX, VMAX, VNX, EMC Software’s like Open Migrator & Power Path, EMC Clarion CX3 Series SAN storage and troubleshooting CX4 devices using Navi Analyser, worked with Hitachi’s USP, USPV and VSP storages.
  • Experience migrating all of the company’s data from an aging NetApp filer to a new HA NetApp cluster including setting up redundant fiber paths for all servers to virtually eliminate any downtime and remove single points of failure.
  • Experience developing new ZenPacks (Plugins for Zenoss) solutions and integration with daily process in Infrastructure
  • Installed, configured and implemented the RAID 0/1/5 volume management using VERITAS Volume manager (3.5/4.x/5.0) and Solstice Disk Suite (SVM) on Solaris. Also Experienced in VERITAS file system (3.x, 4.x, 5.0), VERITAS Net Backup (4.5, 5.x, 6.x & 7.1) for disk management and media device mapping..
  • Experience in installing, configuring, supporting and troubleshooting Unix/Linux Networking services and protocols like NIS, NIS+, LDAP, DNS, NFS, DHCP, NAS, FTP, SSH and SAMBA.
  • Worked on installing software’s packages like NIS, NFS, sendmail, open ssh & compliers using Redhat Package Manager (RPM) on Redhat Linux, Packages on Solaris and Deports on HPUX and configured them efficiently.
  • Experience installing and configuring backup system for all servers using Symantec NetBackup and Quantum Scalar LTO5 Tape Library. Backup system was configured to utilize VMWare snapshots to provide faster more granular backups as well as NDMP for dumping NFS and CIFS shares from NetApp filers directly to tape.
  • Database Administration, design, maintenance and production support; Database Migration from MD1000 Storage to NetApp FAS2040( Clusters) Filers and management of ISCSI/Multipath networks.

TECHNICAL SKILLS

Operating Systems: Sun Solaris 11/10/9/8/7/2.x, VMware ESX 3.5 & 4.x, Linux (RedHat Enterprise, SUSE),RHEL 4.X, 5.X & 6.1, HPUX11.0,11i V1 WindowsNT2000,2003/2008/XP and 2012.

Hardware: Confidential Blade Centers, HP Proliant DL G3, G4 & G5,C7000,C6000,HP BL20,BL 40, Sun Fire Servers: E25k, E15k, 12k, E280R, E480R, E6900 and E2900, Dell Power Edge servers. Data Centre Servers: E250, E450, E3000 and E3500, M4000, T2000, T5120, T5240, T5440, HP rp3410, 3440, rp4440 & rp8400.

Databases: Oracle 10g/9/8, Sybase 11.5.1, POSTGRESSQL, MYSQL, MSACESS

Networking: TCP/IP, DNS, NFS, NIS, SSH, DHCP, Cisco Routers / Switches and LAN

Tools: Veritas Cluster 3.x, 4.x & 5.x, Zenoss, HP MC Service Guard, Redhat Cluster, Sun Cluster 3.2, VMware, VERITAS Netbackup 7.1, VERITAS Storage Foundation Suite, Solaris Volume Manager, Sun Java Studio, sendmail, Splunk, U PGP encryption and decryption.

PROFESSIONAL EXPERIENCE

Confidential, New York, NY

Sr. UNIX Administrator

Responsibilities:

  • Administration of Websphere Application Server 6.x with Network Deployment, and Extension Deployment, on RedHat Linux. Mirroring of root disks using hw Raid Controller on HP & Dell hardware.
  • Managed and supported 2 node and 4 node VERITAS cluster and Sun cluster and HP clusters (MC Service guard A.11.20.00) for critical SAP and JDEdwards applications.
  • Single Handedly migrated all of the company’s data from an aging NetApp filer to a new HA NetApp cluster including setting up redundant fiber paths for all servers to virtually eliminate any downtime and remove single points of failure.
  • Administration, Maintenance and Management/Monitoring of Netapp filers/Clusters which includes FAS 2040
  • Support and co-ordinate storage team in Change Management of drive replacement on Media Libraries, make sure all the servers are working as expected after the change.
  • Installed and configured backup system for all servers using Symantec NetBackup and Quantum Scalar LTO5 Tape Library. Backup system was configured to utilize VMWare snapshots to provide faster more granular backups as well as NDMP for dumping NFS and CIFS shares from NetApp filers directly to tape.
  • Involved in Cluster patching and Cluster failover testing and regular maintenance of the servers, taking flar images on Solaris and ignite backups on HP-UX servers every second weekend of a month.
  • Use Dban (v1.3, 2.0) to wipeout the data on the disks for the servers that are being decommissioned and also co-ordinate with network team to remove IP’s from DNS server and storage team to reclaim the LUN’s that are assigned.
  • Worked on Zenoss monitoring tool, managing alerts on file system, CPU, memory . Adding devices in Zenoss and troubleshooting incase of failure.
  • Involved in Designing and Implementing host level migrations and Virtualization using P2P and P2V. Also supported storage migrations from USP to USPV on host level without any downtime to customer (Online Migration).
  • Configured NAS devices in the environment for data transfer to the customers on LINUX and Solaris servers.
  • Designing and building company Cloud based monitoring system centered around Nagios, Hyperic and Zenoss.
  • Performing Linux Administration: Kickstart Installation, Puppet configuration management, maintenance, patching, backup, shell scripting, perl scripting, monitoring and troubleshooting
  • Development for new ZenPacks (Plugins for Zenoss) solutions and integration with daily process in Infrastructure.
  • Configure and maintain consoles for HP (ILO 1, 2, 3) and Dell (idrac 5.0, 6.0, 7.0) servers and responsible for the licensing and updating the firmware for remote administration of the servers.
  • Managed L1 and L2 off-shore teams and coordinate the tasks with the team whenever needed and adhere to meeting SLA’s on the tickets and changes.
  • Part of management that planned, perform extensive testing and rollout Autosys R11 to the enterprise (Migration from Big Brother to Autosys R11.1.0).
  • Implementation / upgrade of Autosys and JAWS, troubleshooting errors and documentations / procedures
  • Migration, Schedule and monitor production jobs to ensure successful execution
  • Move all the Jill script from in house software to Autosys environment.
  • Run batch and daily production jobs and monitor for successful completion
  • Responsible for identification and resolution of failed jobs or processes and assisted customers in troubleshooting issues with their applications in Autosys
  • Virtualized Redhat servers using vSphere 4.1 and managed ESX servers using vCeneter and also worked with ESX Cluster and vMotion.
  • Virtualized servers using Solaris Zones/Containers on Solaris10, Created and maintained Wholeroot and Sparse root Zones/Containers.
  • Configured Splunk search heads on different machines for searching the data from Indexers and worked with SAP Basis team to collect different logs that are required from SAP instances and fed to Splunk.
  • Manage Data Center activities, including monitoring of third parties technicians and make sure that drives removal and replacement are done in conjunction with a team member in a timely manner.
  • Installation and Configuration of window and Linux servers for backups using commvault and Veritas NetBackup.
  • Deleting faulty drives, installing new drives \ Robot and updating devices firmware on media devices using L1, L2 and L3 tape drives.
  • Run a test commands on UNIX terminal to scan the drives, move robots, assign media to drives and move them to slots to ascertain accuracy.
  • Creating new backup policies, assigned them to the supported disk drives,
  • Also run a test backup and specify run time.
  • Run data deduplication on master and client backups as specify in change order form as requested by client.
  • Configuration of disk library, resolving performance and capacity issues, allocating disk and checking disk space.

Confidential, Reston Virginia

UNIX System Administrator

Responsibilities:

  • Installation VERITAS Net backup server and client directly and as well as SSH procedure.
  • Stopping/starting the net-backup services.
  • Creating backup policies for client.
  • Taking backup/Restoration of data as per user request.
  • Increasing retention period of tape.
  • Basic troubleshooting on backup issue.
  • Data Center Operations of Netapp Filers.
  • Storage Allocation - Aggregates/Volumes/ creation resizing and deletion.
  • Migrating volumes from one aggregate to another aggregate.
  • Configured the snap mirror between the filer and between the volumes on filer as schedule Snap Mirror backup.
  • Deduplication of flex volumes to avoid he duplicate data on volumes.
  • Implementation of online backup and restore using with Snapshot technology in NetApp filers.
  • Creating volumes, qtrees and exports as NFS and creating CIFS share directories for windows on Filer.
  • LUN mapping/creation on Netapp devices.
  • Creating LUNs of target host and initiator using iSCSI protocol and mapping to the igroups.
  • Checking the File system and resizing the file systems as per client request.
  • Moving data between the volumes and filers using volcopy.
  • Checking the Log files using Filer View.
  • Performed disaster recovery for production NetApp filers.
  • NetApp daily health checks, hardware calls.
  • Aggregate creation, volume creation, Lun creation, Snap mirror creation.
  • Participated in 24x7 on call rotation for storage backup support and provide technical leadership to junior team members.
  • Responsible for trouble-tickets, 3rd-party software installation, and user support, in a homogeneous HPUX, RHEL & Solaris environments. Involved in preparing Pre Migration and Post migration documents.
  • Network Monitoring Using Zenoss
  • Managed Xymon to Zenoss migration, speeding up root-cause service failure analysis
  • Database Administration, design, maintenance and production support; Database Migration from MD1000 Storage to NetApp FAS2040( Clusters) Filers and management of ISCSI/Multipath networks.
  • Worked on installing yum and configuring repository and Redhat satellite server on Linux servers, managing Multipathing softwares like EMC Power path, Redhat Linux Native multipathing, VERITAS Multipathing (vxdmp) and HPUX Alternative Links.
  • Worked on C7000, C6000 Blade enclosures with x86 blades and HP BL20, BL 40 generation 2, 3, 4 Blades and have good experience in rack mounting and commissioning.
  • Installation of SSH and configuration of key based authentication, File system tuning, growing, and shrinking with VERITAS File system 3.5/4.x.
  • Troubleshoot all backup failure on Commvault and Veritas Net backup, resolve or escalate to the third party vendor as well document process of resolving failures.
  • Manage Data Center activities, including monitoring of third parties technicians and make sure that drives removal and replacement are done in conjunction with a team member in a timely manner.
  • Installation and Configuration of window and Linux servers for backups using commvault and NetBackup software.
  • Deleting faulty drives, installing new drives \ Robot and updating devices firmware on media devices using L1, L2 and L3 tape drives.
  • Run a test commands on UNIX terminal to scan the drives, move robots, assign media to drives and move them to slots to ascertain accuracy.
  • Creating new backup policies, assigned them to the supported disk drives,
  • Installed and implemented Zenoss monitoring and configure alerts
  • Run data deduplication on master and client backups as specify in change order form as requested by client.
  • Configuration of disk library, resolving performance and capacity issues, allocating disk and checking disk space.
  • Provide recommendations to improve design, cost and create report for both client and management.
  • Expire daily and weekly media devices for backup reuse using UNIX commands on Unix machine.
  • Creating and modifying new backup policies and assigning them to net backup environment including San Media server (SAN), Shared Storage option (SSO), cummvault and Disk Storage Devise.
  • Reconfigured drives after replacement and perform Rob test to ensure replacement drives and robot are working correctly.
  • Design procedures for LTC in performing backup and restores on Arc serve, Veritas, Backup Exec and AS400 Confidential Series.
  • Co-ordinate offsite personnel activities on Tape management request procedures and assist and follow up on all resolve and unresolved remedy tickets

Confidential, Wall Township NJ

Sr. Infrastructure Engineer

Responsibilities:

  • Designed, evaluated, implemented, rack/stack, configuration of multiple logical subsystems utilizing Confidential HMC, LPAR configuration and sizing, dynamic sizing of LPARs, resource allocation with thresholds, etc and transition pre-production servers to production support of over 420 LPARs nodes.
  • Manage / coordinate day-to-day activities such as monitoring, automation, performance tuning, security/patch update analysis and disaster recovery preparedness.
  • Helped determine necessary hardware requirements for new applications. Most of the servers ordered were p570, p650, p630, and p615 logically partitioned into four to eight LPARs each for some nodes disaster recovery planning, design, implementation and testing.
  • Installation ofSolaris 8, 9 servers withJumpstart and redhat Linux EL 5.x based servers using Kickstart and HPUX servers with Ignite servers indevelopment, test and production environments.
  • Monitor backup and troubleshoot error messages
  • Request for backup media devices from Iron Mountain for remote sites, monitor operators activities on backup and restores and run daily production report for management.
  • Installation ofSolaris 8, 9 servers withJumpstart and redhat Linux EL 5.x based servers using Kickstart and HPUX servers with Ignite servers indevelopment, test and production environments.
  • Performed project coordination function forevaluation, installation, monitoring, and maintenance of server software on variety of hardware platforms also responsible for user administration and management usingSUDOandRBAC
  • Installed/ upgradedpatches, firmware(OBP), and security (Kernel) patches for all applications in installed infrastructure.
  • Data migration using Redhat LVM HPUX LVM & Veritas Enterprise Administration.
  • Performedsystems monitoring, upgrades,performancetuning and backup and recovery, Troubleshooting and fixing the problems related to systems, software and day to day regular maintenance tasks of the system.
  • Responsible forqualityreviewsandstandards and provided24x7on-call /RemoteSupportfor UNIX Production Problems on weekly rotation basis.
  • Applying software maintenance, program fixes and keeping the system software releases current by attending the weekly status calls with the Engineering team and offshore team.

Confidential, Hoboken NJ

Sr.Systems Administrator

Responsibilities:

  • Working with engineering team to build New Linux Servers and maintained various versions of Linux Servers (RHEL 4.6, 5.3, 5.6) and HPUX11i v1.
  • Set up Virtualization that includes Installation and configuration of VMWare ESX3.5 & 4.0 Server’s.
  • Worked on clustering softwares like VERITAS & HP MC Service Guard running on HPUX 11i v1.
  • Plan, design, Implementing, Installation and configuration Operating System upgrade on Red Hat Linux 4.0 on & HP-Dl585 G3& G4 servers.
  • Actively participated Disaster Recovery (DR) tests.
  • Configuring storage using Logical Volume Management (LVM), Installed Veritas Volume Manager 4.1 and created file systems, mirrored and striped volumes
  • Performed Confidential Total product Storage Installation on different Operating Systems.
  • Coordination with off-shore team to implement any changes in production environment and also Involved in post-production support for solving complex issues which has high visibility.
  • Expire daily and weekly media devices for backup reuse using UNIX commands on Unix machine.
  • Creating and modifying new backup policies and assigning them to net backup environment including San Media server (SAN), Shared Storage option (SSO), cummvault and Disk Storage Devise.
  • Reconfigured drives after replacement and perform Rob test to ensure replacement drives and robot are working correctly.
  • Design procedures for LTC in performing backup and restores on Arc serve, Veritas, Backup Exec and AS400 Confidential Series.
  • Create PERL scripts for troubleshooting and printing UNIX files to specific printer
  • Responsible for installs, set-ups, & upgrades of Sun Servers in a Unix environment
  • Development of C scripts for automation of systems administration functions
  • Developed guidelines and upgraded techniques of new operational procedures for the support of monitoring systems, databases, hardware systems, operating systems software, network systems software, security and client server systems.
  • Performed Decommissioning on Solaris & HP-UX Servers after the servers are being migrated to new hardware.
  • Co-ordinate offsite personnel activities on Tape management request procedures and assist and follow up on all resolve and unresolved remedy tickets
  • Very good knowledge on Advanced Virtualization on Sun Servers using Zones & LDoms.
  • Day-Day application support on production and technical documentation for critical prod issues, On call pager support 24/7 environment.
  • Run backups and performed restores of legal request by company legal personnel as approved by management using unix utilities and direct the output to legal department mailbox.
  • Assigning media device to netbackup pool in the shared storage unit sylo and creating phase 1 & 2 backup image for disaster recovery..
  • Monitor and troubleshoot console error messages with 24/7 support access.
  • Creating Remedy ticket, keep update on processes of resolving tickets and keep proper documentation of run list for operators.
  • Creating new backup policies as requested by management following the companies naming convention.
  • Worked as Unix Administrator in Infrastructure team providing server administration, application administration and automation solutions to support business objectives for various clients.
  • Responsible for Installation, Configuration, Support and Troubleshooting existing systems in Solaris 8,9 / 4.5/5.1L, Red Hat Enterprise Linux operating environment
  • Monitor and troubleshoot console error messages.

Confidential, Whippany, NJ

Unix Admin

Responsibilities:

  • Monitor and troubleshoot console error messages with 24/7 support access.
  • Check available disk information and utilization on regular basis
  • Run backups and performed restores of legal request by company legal personnel as approved by management using unix utilities and direct the output to legal department mailbox.
  • Assigning media device to netbackup pool in the shared storage unit sylo and creating phase 1 & 2 backup image for disaster recovery..
  • Monitor and troubleshoot console error messages with 24/7 support access.
  • Creating Remedy ticket, keep update on processes of resolving tickets and keep proper documentation of run list for operators.
  • Creating new backup policies as requested by management following the companies naming convention.
  • Worked as Unix Administrator in Infrastructure team providing server administration, application administration and automation solutions to support business objectives for various clients.
  • Responsible for Installation, Configuration, Support and Troubleshooting existing systems in Solaris 8,9 / 4.5/5.1L, Red Hat Enterprise Linux operating environment
  • Monitor and troubleshoot console error messages.
  • Run daily production Jobs on Unix machine, perform legal request restores and forward using Sendmail command to the legal department.
  • Worked with one of the largest VMware and RHES V3 installations.
  • Instituted centrally managed Linux configurations for application deployments, disaster recovery and responsible for customer and advisor facing web services with a volume of 4 million hits per day.
  • Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
  • Maintained availability, increased capacity & performance of production machines by upgrading their hardware (disks, CPU, memory, Io board, power cooling unit, mother board etc) & firmware.
  • Successfully tested and documented the alternate disk install procedure to clone OS. Maintained system security protecting the data on the system by modifying the file and directory permission. Analyzed system performance, Reallocated of kernel resources and Performed process automation, scheduling of processes using CRON jobs.
  • Worked in the project of configuring NIS Servers (Master and Slave) and NIS clients and maintained system and custom configuration files in NIS maps.
  • Maintained intranet DNS environment by configuring Primary and Secondary Domain Name Servers and DNS clients.

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