Application Support Resume
VA
SUMMARY
- A UNIX System Administrator with more than Seven years of experience in System Administration, Engineering and Development of Information Systems.
- Over 7 years of experience in System Administration and Production Support with extensive experience in Solaris, Red Hat Linux, AIX and Windows Administration.
- Installation, configuration and administration of SUN Solaris 7, 8, 9 and 10 on Sun Servers using Jumpstart Servers and Interactive Installation and installation of Red Hat Linux AS 4.0 and AS 5.0.
- Proficiency in installation and management of enterprise - level server hardware like E15K, E10K, E6800/6900, E4800, V890, V880, V490, V480, E420R running Solaris operating system.
- Expertise in Patch and Package Administration, Performance Tuning on UNIX and Migration.
- Creating and maintaining user accounts, profiles, permissions, security rights, disk space and process monitoring.
- Efficiency in installing, configuring and implementing the RAID Technologies using various tools like VERITAS Volume Manager (VxVM 3.5/4.1/5.0), Solaris Volume Manager (SVM) and Solstice disk suite.
- Experienced in configuring Oracle Real Application Clusters (RAC).
- Configured Networking Concepts DNS, NIS/ NIS+, NFS and DHCP, troubleshooting network problems such as TCP/IP, providing support for users in solving their problems.
- Installation and configuration of Solaris Zones/ Containers and ability to work with ZFS/SMF/POOLS.
- Install and configuration of Web hosting administration TELNET, FTP, SSH, & RSH.
- Plan, document and support high availability, data replication, business persistence, Fail-Over, Fail-Back, using VERITAS Cluster Server 4.1 and SUN Cluster server 3.1, 3.2 in SAN environment.
- Experienced in maintaining daily backups of the servers, archiving of backups and restoration of data when required.
- Expertise in writing Shell scripting using Ksh/Csh/bash/Sed/Awk and Perl to ease administration tasks.
- Developed application related tools using SHELL and Perl scripting programming.
- Proficiency in configuring, validating and Testing VERITAS NetBackup, Avamor and Legato.
- Experienced in job automation using At/ Cron jobs.
- Experience in installing, trouble-shooting and performance tuning of various Application Servers/ Clients.
- Experience in VI3, P2V migrations, VMOTION, VCB (VMWARE Consolidated Backup), Storage VMOTION, DRS, and HA in VMWARE Technologies etc.
- Experienced in administration of WebSphere and WebLogic Application Servers.
- Good exposure to SAN Management tools like ECC and Navisphere.
- Experience in working with Data Center spanning 3000+ servers on 24/7 and on-call Production environment.
- Experience in Troubleshooting Hardware, Storage, File System Full Errors, Application Bottlenecks, System Recovery, Crash dump analysis, and Performance tuning.
- 24x7 processing without sacrificing maintainability or agility.
- Ability to work in a group and independently.
TECHNICAL SKILLS
Operating Systems: Sun Solaris2.6/7/8/ bit and 64 bit), Red Hat Enterprise Linux AS 4.0/5.0AIX 5.3/6.1,Windows 2000/2003/XP/Vista
Hardware: Ultra SPARC Series, SPARC Server 1000, Ultra 2, SUN Enterprise 00/E6500, SUNFIRE 120/240/440/480/880 , T1000/2000, E25K, E12K and E10K, Fujitsu, EMC Storage Disk Arrays, Symmetrix/ Clariion, Sun StorageTek tape drives
Protocols: TCP/IP, SMTP, SNMP, FTP, TELNET, UDP, PGP encryption.
Naming Services: DNS, NIS and NIS+, NFS.
Web-Server: Apache Tomcat/http server, IIS, Web sphere, WebLogic, Send mail.
Languages: Shell Scripting, Perl and Python.
RDBMS: Oracle 8i/9i/10g, MySQL.
Server Management Tools: VERITAS Cluster Server, Sun Cluster Server, Oracle RAC, SVMVxVM, LVM, LDAP, DTrace.
Other Tools: HP Openview, Remedy, Opsware tool, VERITAS NetBackup, Legato, Avamar, VMWare, Toad.
PROFESSIONAL EXPERIENCE
Confidential, VA
Application support
Responsibilities:
- Primary POC for 4 Financial Reporting and Trading Applications.
- Motivate the team and setup the new targets. Update the team status to the team manager on weekly and bi-weekly status.
- Work on implementation project for Financial/Derivative Applications in different state of life cycle from project requirements, testing, UAT, iUAT, and supported the applications in Production.
- Report the problem tickets in Remedy ticket and address the issue in daily status calls at 8:05 A.M and 5:05 PM.
- Troubleshoot and find the root cause analysis of the issues in production.
- Execute SQL Query in Oracle database 10g,11g/Netezza Appliances to reconcile the values generated and send the final report to the distribution list.
- Setup Kerberos Authentication between servers and between two different application Id’s
- Configure the Work Flow Management tool and setup dependencies, Foreground or Background Jobs
- Exposure to Fix Protocol, Bloomberg, MiSys Applications
- Wrote Korn and Perl Shell Scripts to automate the development code for dependencies, input data, Notification Emails, Business approvals etc.,
- Developed various solutions in SHELL & Perl for financial applications.
- Participated in designing a job specific tool (In-built) in Perl to help in execute multiple (batch) jobs.
- Work on setting up EMS HAWK/Tivoli Netcool Monitoring in Applications
- Troubleshoot issues in production by checking the SAS logs, Ab Initio and JAVA Logs
- Work on AbInitio to SAS Conversion project and support the application in Production in a new release
- Work on CVS Repository to check in the latest code and deploy the code to production and other Environments
- Wrote VBA Script to automate Monthly and Quarterly execution Implementation/Runbooks, Pre-Execution and Post Execution Check List
- Configured NFS file system on Netapps storage array and replicate the data to the remote Filer using Snap Mirror.
- Setup workflow dictionary in Autosys Scheduler and setup the autosys calendar for monthly execution.
- Setup Sungard Notifind Tool call list for Emergency CRISSIS Bridge Call, Notifying Pager, Cell Phone, Home Phone, Email, Blackberry simultaneously to primary and secondary list
- Created Team websites, Task Lists, Artifacts and other website design in Microsoft Share Point Portal
- Supported applications running in Fix Protocol.
- Created design documents, Technology Control documents, Infrastructure Contingency Plan, Interface Registrations, ICD, SLA documents
- Shakeout new update in environment using Regression scripts
- Setup Luns on EMC VMAX Storage array and replicate the production data to remote Storage array using SRDF configuration.
- Setup production, acpt, test, dev environment in IBM VIO Server P7 server
- Support the Storage and Financial Applications running 24x7 in production
Environment: UNIX-Solaris 8,9,10, Linux-RHEL 5, Autosys 3.5, Oracle 10,11g, Java/J2EE 1.6, Web Logic 10, Perl 2.6, MS SQL Server 2008, SharePoint, MS Office-2003 Tools, Toad, Apache and Other in-build tools.
Confidential, VA
UNIX-Systems Administrator
Responsibilities:
- Installation, Configuration, Administration & Trouble Shooting of Solaris 10, and RHEL 5.
- System builds from the scratch for UNIX and Linux system.
- User administration through power broker and power password tools.
- Installation and configuration of Apache, Tomcat web servers.
- Package, Patches management, migration, integration & distribution in development, testing, QA, Training, Production environment. ( Testing: UAT, SIT, OAT, Performance testing)
- Installation, Configuration and Administration of High Availability Veritas Cluster Servers for failover and redundancy purpose.
- Installation and configuration of Veritas Volume Manager, LVM, Veritas File System and Veritas Cluster Server.
- Created User, Groups. File Systems per database requirement.
- Disk and File system management through Veritas Volume Manager.
- Managed physical and Logical volumes, Volume Groups etc. in Linux.
- Installation, Configuration and Administration of Web logic, Web sphere and Apache Servers in Solaris.
- Implemented SUDO, SSH and other security tools and implemented SOX (Sarbanes Oxley) security compliance.
- Installation and configured Solaris 10 with zone configuration.
- NFS Management - Take care of user accounts/groups, setting up of NFS Environment.
- Maintaining site services, it includes NIS master, slave servers, DNS servers, SAMBA servers, FTP server and Net backup server
- Trouble shooting with help of Dtrace.
- Trouble shooting of day to day system and user problems
- 24*7 production and technical support.
- Advanced trouble-shooting issues in production environment raised by Tier 1 and Tier II support
- Planning and implemented Disaster Recovery sites from the scratch.
- Troubleshooting various problems, logging call with vendors.
- Installation & configuration of Solaris Jumpstart Server.
- UNIX Shell/Perl scripting for job automation.
- Creating zones for application.
- Interacting with various teams such as Oracle database team, and Net Backup team.
Environment: O/S: Solaris 8,9,10, Redhat Linux AS3.0, LAS 4.0, Veritas volume manager, VCS, 3.0, Sun 12K, Veritas Volume Manager 3.1, Solaris Volume Manager, Veritas Cluster Server, Weblogic 8.1, Samba, Oracle 9i/10g. Sun Ultra Enterprise Servers(E450, E420R, E250), SunFire (12k, 15k), Sun workstations (80,100, Legato and Avamar.
Confidential, MI
Solaris/UNIX System Administrator & Production support
Responsibilities:
- Responsible for day-to-day System Administration on SUN SOLARIS servers.
- Build the Sun E450 and 6000 Servers with Solaris 5.10 operating system.
- Storage setups, RAID, Logical Volume Manager, system backup design and disaster recovery
- Systems performance monitoring.
- Solaris Operating Systems upgrade, package installations, updates, patches and software fixes.
- Configured the Send mail client side for Sun Solaris servers.
- Responsible for troubleshooting end user and application problems.
- Veritas File system and Veritas Volume Manager 2.5 are used to configure the RAID-1 and RAID-5 Storage Systems.
- Creating User accounts, Mail account, groups, printer etc
- Monitoring system resources, logs, disk usage, scheduling backups and restore.
- Set up Quotas for the user accounts & limiting the disk space usage.
- Creation/Configuration of Additional swap/ tmp dynamically as and when required.
- Configuration of SSH, TELNET and FTP for establishing client/server trusted relation.
- Solving the problems as & when created when NFS data being accessed.
- Used cryptographic programs such as PGP encryption.
- Configured auto mounts/maps for the user accounts.
- Administration/Configuration of Print Servers/Clients in the Network
- Worked closely with database administration staff to ensure optimal performance of databases, and maintain development applications and databases.
- Providing 24*7 on-call support.
- Conducted Data Analysis and address data quality/integrity issues.
- Implemented automated HPC deployments
- Designing computer displays to accomplish goals using flowcharts and diagrams.
- Installing Operating Systems and Application Software.
- Used VMWare for testing various applications on different operating system.
- Training for users to use the program.
Environment: Solaris 8, UNIX5.x & Windows NT 4.0 / 2000, Sun Enterprise 450/420R/250 Servers, Ultra Enterprise 2/1 Servers, SPARC server 1000, SPARC server 20 Enterprise Servers, SPARC server 1000/20, SPARCstation 10, Sun SPARC Ultra 1,5,10, Vmware6.5.
Confidential, Overland Park, KS
UNIX System Administrator
Responsibilities:
- Managing UNIX Infrastructure and EMC storage involving maintenance of the severs and troubleshooting problems in the environment.
- Installing operating systems Solaris, Linux according to business requirements.
- Planning and implementing the configuration changes to the servers adhering with ITIL change management process.
- Trouble shooting the issues ranging from Solaris, Linux and SAN environments.
- Creation and Maintenance of Solaris 10 zones/containers.
- Experience in creation and maintenance of ZFS file systems.
- Regularly applying patches both for SUN and Linux systems.
- Coordinating with OEM’s for support related issues.
- Installed and Configured Jumpstart Server.
- Working with VERITAS Volume Manager for creating volumes and file systems for various applications and databases.
- Working with Logical Volume Manager and creating of volume groups /Logical volumes and Filesystems in Linux environment.
- Maintaining the HA across servers using Veritas Cluster Services.
- Monitoring the system activity, performance, resource utilization
- Experience in configuring SAN disks in HP UNIX and Solaris.
- Experience with Migration tool in HP-UNIX environment such as pvmove
- Administer, maintain and troubleshoot EMC CLARiiON arrays.
- Administer, maintain and troubleshoot Hitachi 9980v array.
- Experience in working with Hitachi Storage navigator.
- Assign storage according to business requirements.
- Performed zoning at FC switch level and LUN masking at server levels
- Creating volumes, LUNs and implementing different RAID levels on the same
- Creating storage groups and assigning LUNs and mapping them with different hosts
- Implemented path failover and load balancing using VERITAS DMP and Power path
- Configured and created snapshots of clones of LUNs using EMC Snap View
- Implemented replication of data within sub storage systems using SAN Copy and MirriorView software
- Involved in SAN migration project to migrate the data across the storage arrays.
- Provides technical guidance, advice, and work direction to technical analysts.
- Writing shell scripts for doing routine tasks.
- Working with CA USD tool for ticket management.
- Providing 24*7 on-call support on rotation basis.
- Assembled, Replaced and Handled Sun, Linux and AIX Hardware problems in Data Center.
- Ensures that installed systems meet performance considerations outlined in Service Level Agreements.
- Participates in the design of standards and implements policies and procedures in the course of providing solutions.
- Consults with other technical areas to resolve complex problems.
- Performs root cause analysis of technical issues.
Environment: SUN E10K, M4000/M500, E4500/5000, E35000, SF V490, V480, V440 and V240,V245. Hitachi 9980v. EMC Clarion CX-700, CX-3-80, Symmetrix 8730, 8830 and DMX 20000 Storage Arrays. Solaris 8/9/10, RHEL 3, ESX 3. Solstice disk suite (SDS), SUN UCE, Veritas Volume Manager VxVm), Veritas Cluster server (VCS), Cyclades and CA’s USD, DSM and NSM
Confidential
System Administrator
Responsibilities:
- Installation of patches and other software packages.
- Monitoring System performance and do kernel tuning to enhance the system Performance.
- Configuration of NIS, NFS, sends mail on Solaris and Tru64.
- Configuration of Hardware and Software RAID on Digital & Sun Servers.
- Writing Shell scripts for system maintenance and automation of server.
- Backup management and recovery policies.
- Installation and configuration of Oracle (7.x/8.x/8i)
- Installation of Oracle Patches and Troubleshooting, Creating and modifying application related objects, Creating Profiles, Users, Roles and maintaining system security.
- Allocating system storage and planning future storage requirements, Database Backup and Recovery, Exporting and Importing Database, Creating Database triggers for security & data manipulation.
- Performance Monitoring and Tuning.
- Trouble shooting of day to day system problems
- Configuration and support of 46 servers in a mixed Windows 2000/NT 4 environment
- Assist in 2nd level support of user email and printer issues in Windows and UNIX environments
Environment: Solaris 8/7, AIX, HP-UX & Windows NT 4.0 / 2000, SQL 7.0 / 2000, Oracle (7.x/8.x/8i), IIS 4.0 / 5.0, Symantec Antivirus CE
Confidential
Unix/Linux Administrator
Responsibilities:
- Maintenance of Unix Servers Solaris - 2.5.1
- Installation, adding and replacement of disks, cards and maintenance of SUN.
- Implemented NFS, DNS and NIS under SUN.
- Attending to users, developer problem.
- Operating System Loading.
- Monitoring system performance, tune-up kernel parameter, adding /removing /administering hosts, users, disks on DNS /NIS domain.
- Maintenance of NFS server with Auto mount.
- Maintaining backup daily and weekly dump.
- Writing shell scripts to automate system Process.
- Take daily backup of data from the server.
- Implementation of Fault Tolerance on SCSI drives - RAID Level 0,1 & 5 using Mylex DAC960 PCI Raid Controller Card (DAC960PL)
- Adding more resources like Memory and CPU’s, and increasing the swap.
Environment: Solaris 2.5.1, Shell (Korn, Bourne), SPARC-2000, E4500