Systems Administrator Resume Profile
NY
SUMMARY
- 7 years of Strong Experience in UBUNTU LINUX/UNIX Administration, Shell Scripting with expertise in Red-hat Linux 3, 4 and 5, Solaris 8, 9 and 10.HP-UX 11.i, AIX 5.1, 5.3 and 6.1, Windows 2003, WebLogic ,WebSphere JAVA, J2EE Applications and SQL.
- Strong in troubleshooting, monitoring, training and 24/7 production support in mission critical environments Worked with systems support team to define, architect and maintain highly available production systems.
- Expertise in Installation, Configuration, Integration, Tuning, Backup, Crash recovery, Upgrades, Patching, Monitoring System Performance, System and Network Security and Troubleshooting of Unix Servers.
- Experience in implementing and monitoring High Availability environment using VeritasCluster Server, Sun Cluster, Redhat Cluster, HP Service Guardand HACMP.
- Configured and used Jumpstart, Kickstart, Ignite and NIM to install OS.
- Worked on Solaris 10 Container Technology. Created and maintained local zones.
- Managed resources for zones using Solaris 10container technology.
- Solaris Live Update Technology associated with an operating system upgrade or maintenance.
- Strong experience in VERITAS Clustersin supporting high availability mission critical servers.
- Experienced with the installation, configuration and volume/File system management using Veritas Volume Manager VxVM , Logical Volume Manager LVM and Solstice Disk Suite Solaris Volume Manager .
- Backup management and recovery policies using VERITAS Net-Backup.
- Experience in creating physical volume, logical volume, volume groups using LVM's in Linux/AIX, HP-UX ITANIUM and PA-RISC and SVM, GFS global file system and ZFS in Solaris.
- Proficient in Networking, configuring TCP/IP, DNS, NFS, NIS, NIS , SAMBA, LDAP, SSH, SSL, SFTP, SMTP, SNMP.
- Experience in VMware Installed and monitored Virtual environments with ESX 3.xserversand Virtual Center 2.X
- SAP System Installation
- SAP System migration and System copy
- Experienced in working with Storage Area Network SAN , EMC CLARiiON CX, EMC Symmetrix DMX, EMC MirrorView, HP storage and Hitachi data storage.
- Expert in Installation, configuration of Patches and Packages.
- Experience in installation, configuration and administration of WebLogic and Web sphere Servers.
- Proficient in Installation, Configuration, Support Maintenance of various Sun Sparc Enterprisehardware's and RedHat5.x Linux Servers located at Remote Locations. Deployment of Application Software E-Com/J2EE, B2B, B2C, Oracle, Sql Server, ERP SAP, Oracle Apps, People soft
- Experience in providing day-to-day user administration like adding and deleting users and managing users queries.
- Excellent in Systemperformance tuning Configuration
- Sound understanding of IT Infrastructure Administration with project management skills.
- Providing 24/7 technical support to Production environments
- Experience in configuration and testing Disaster Recovery Site.
- Experience in writing Shell/Perl Scripts.
- Technical professional with management skills, excellent business understanding and strong communication skills.
- Good at Project management Configuration management
TECHNICAL SKILLS
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System Administrator
Confidential
PRofessional summary
Sr Linux/Unix Systems Administrator
Responsibilities:
- Senior UNIX administrator responsible for maintaining over 1,500 Linux Redhat, Suse, OEL and Sun Solaris systems, and provide support for over 2000 servers globally.
- Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 4.0 and migrating servers across ESX hosts.
- Experience and knowledge with designing, installing and implementing VMware VSphere ESX 3.5 ESXi 4.1/5.0/5.1/5.5 U2, VMware VCenter, setting up V-Motion, HA, DRS, and related VMware products such as VM Workstation, VMware converter as a part of Virtualization of the environment .
- Worked on Tidal-Sysadmiral, creating, scheduling jobs related to performance monitoring, backup on both Unix, Windows servers.
- SAP HANA Migration, SAP installation and data provisioning using different ETL tools.
- Experienced in collecting business requirements, Migrating, Installing, Deploying and Maintaining SAP HANA system across various HANA revisions.
- Have Flexible enough to mould any kinds of situation/environment and adherences to strict timeliness for project deliverable.
- Good understanding of TCP IP networking and server IP configuration.
- Understanding of TCP/IP network theory, as related to systems administration.
- Involved in scheduling the job using Autosys.
- Worked with production support in scheduling workflows and database scripts using AUTOSYS tool.
- Assisted in P2V conversions of Windows/Linux servers using VMware converters.
- Utilize vCenter to install, configure operating systems, Windows and Oracle Linux, on new hardware and virtual containers install and configure application
- Jumpstart Solaris servers, custom configure, install packages, patches, harden. Creating LDOMs, installing Solaris, creating volumes, installing packages.
- Created Zetabyte file system ZFS in Solaris 10. Creating Zones, zpools and adding resources like network, filesystems.
- Experience with Apache/JBOSS
- Application support for asp, .NET java based hosted internal external websites.
- Deploying .Net based Applications and Java based apps on IIS 6.0
- Troubleshooting .Net application issues hosted on the IIS
- Utilize vCenter to install, configure operating systems, Windows and Oracle Linux, on new hardware and virtual containers install and configure application.
- Configure HP POD, Troubleshoot any issues that arise, and perform other tasks related to delivering servers and storage in Thomson Reuters strategic data centers across the globe
- Performed server builds on various HP platforms such DL380, DL580, BL460c and BL680c blades, as well as Sunfire and Oracle M/T series servers.
- Installed and configured highly available systems utilizing Veritas Clustering and Veritas Volume Manager technologies.
- Managing IIS 5.0 / IIS 6.0 Web servers and hosted web sites.
- Web Server Administration/Application support -- IIS 5.0 / IIS 6.0
- Management tools, including the IIS Management Console
- Health and diagnostics features such as HTTP logging and request monitoring
- To provide administration support for the web servers like IIS, Apace, Tomcat, Weblogic or Websphere
- Have a good Experience on FTP clients like WinSCP ,Sterling Commerce and Axyway ,Transmit Mac OSX .
- Provided level 3 technical support for the development teams on a daily basis
- Worked on digital marketing based applications like OAS, AppNexus.
- Installed Opsware agents, created packages, policies, scheduled jobs on Opsware.
- Installed Solaris 10 using jumpstart, flar image on both physcial servers and LDOMs.
- eorked on Veritas Netbackup 6.5 which includes installation, creating policies, configuration and upgrading servers.
- Performed Weblogic Portal 10g 10.3.6 Installation, Configuration and performed administration tasks.
- Installation and configuration: Install, configure and administer Oracle SOA Suite 11g and its supporting technologies
- Deployment and configuration of Oracle SOA Suite 11g applications to different environments.
- Testing applying patches, updates fixes for Oracle SOA and dependent WebLogic component on UNIX and Linux environments.
- Support development team to deploy, administer J2EE application in WebLogic through the life cycle of application.
- Installing, configuring, custom building Oracle10g, Oracle RAC 11g and preparing servers for database installation which includes adding kernel parameters, software installation, permissions etc.
- Worked and performed data-center operations including rack mounting, cabling.
- Installing, configuring, administering Veritas Cluster Server 5.0, creating service groups, adding resources, enabling attributes, testing fail-over.
- Worked on Puppet, creating profiles, pushing changes,
Confidential
Linux/UnixSystems Administrator
Responsibilities:
- Installation and administration of RHEL 4.0/5.0and SUSE 11.x.
- Installation, Maintenance, Administration and troubleshooting of Linux,Ubuntu Sun Solaris, AIX, HP-UX systems.
- Performed automated installations of Operating System using Jumpstartfor Solaris and kickstart for Linux.
- As a Solaris administrator primary responsibility includes building of new servers which includes rack mounting, installation of OS, configuring of various OS-native and third partytools, securing of OS, installing configuring, job scheduling.
- Installation and configured Solaris 10 with Zones, Containers and Ldoms.
- Extensively worked on hard disk mirroring and stripe with parity using RAID controllers.
- Involved in Server sizing and identifying, recommending optimal server hardware based on User requirements.
- Worked on Tidal-Sysadmiral, creating, scheduling jobs related to performance monitoring, backup on both Unix, Windows servers
- Involved in scheduling the job using Autosys.
- Worked with production support in scheduling workflows and database scripts using AUTOSYS tool.
- Have a good Experience on FTP clients like WinSCP ,Sterling Commerce and Axyway ,Transmit Mac OSX .
- Worked closely with Cloud technical lead, in conjunction with the Data Center architecture team to design, test, build and support Cloud infrastructure and services, including OpenStack software and related technologies based on business and technical requirements
- Develop and support OpenStack software as needed to meet business and technical requirements
- Consulting with other teams to drive underlying infrastructure changes as needed
- Take ownership of Cloud related incidents pursue root cause analysis and problem resolution through coordinated interaction with vendors and internal support teams
- Experience in one of the Cloud Management technologies Openstack, VMWare
- Worked on migration technologies Physical to Virtual P2V , Virtual to Cloud V2C and Cloud to Cloud C2C
- Experience and knowledge with designing, installing and implementing VMware VSphere ESX 3.5 ESXi 4.1/5.0/5.1/5.5 U2, VMware VCenter, setting up V-Motion, HA, DRS, and related VMware products such as VM Workstation, VMware converter as a part of Virtualization of the environment .
- Assisted in P2V conversions of Windows/Linux servers using VMware converters
- Installation and configuration of Veritas Storage Foundation Suite::Veritas Volume Manager, Veritas File System, Veritas Cluster Serverand Oracle SF RAC.
- Created File systems from local storage as well as NFS partitions for application portability
- Set up Linux servers for LAMP implementations and readiness
- Configured Sun servers M4000 and M5000 for operational readiness upon OS installation
- Set up Sun servers for SAN-through-FCP boot as against booting from internal hard disks
- Set up Linux servers for iSCSI LUN boot instead of using local hard disks
- Built virtualized Linux servers on ESX and Blade servers to host multiple applications on same chassis across different server hosts
- Built servers according to standards specified as per individual applications
- Installed the Operating System on Solaris and Linux servers and Blades over the network.
- Created Zetabyte file system ZFS in Solaris 10. Created zpools. Exported ZFS from local zones to local zones.
- Build LPAR system and Installed AIX 5.3 and 6.1 on LPAR using NIM Power 4, 5 and 6 systems and Upgraded Maintenance level as well.
- Installed and verified that all AIX/Linux patches or updates are applied to the servers.
- Installing, administering Redhat using Xen, KVM based hypervisors.
- RPM and YUM package installations, patch and other server management.
- Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
- Worked and performed data-center operations including rack mounting, cabling.
- Installed, configured, and maintained WebLogic 10.x and Oracle 10g on Solaris Redhat Linux.
- Configuring multipath, adding SAN and creating physical volumes, volume groups, logical volumes.
- Installing and configuring Apache and supporting them on Linux production servers.
- Troubleshooting Linux network, security related issues, capturing packets using tools such as IPtables, firewall, TCP wrappers, NMAP.
- Managing IIS 5.0 / IIS 6.0 Web servers and hosted web sites.
- Application support for asp, .NET java based hosted internal external websites.
- Deploying .Net based Applications and Java based apps on IIS 6.0
- Troubleshooting .Net application issues hosted on the IIS
- Managing IIS 5.0 / IIS 6.0 Web servers and hosted web sites.
- Web Server Administration/Application support -- IIS 5.0 / IIS 6.0
- Management tools, including the IIS Management Console
- Installation of packages, patch management, volume managment on Suseservers using YaST.
- Preparing servers for Oracle RACinstallation which includes tuning the kernel, agent installation, adding NAS storage.
- Worked on resolving production issues and documenting Root Cause Analysis and updating the tickets using BMC Remedy.
- Designing Firewall rules for new servers to enable communication with application, Oracle 10g servers.
- Monitored server and application performance tuning via various stat commands vmstat, nfsstat, iostat etc and tuned I/O, memory, etc.
- Coordinated with the Storage, Network and Hardware teams on server provisions HP Proliant DL385/585 G5, G6 servers, and HP BL465C G5 blade centers .
- Experienced in Troubleshooting critical hardware and software issues and other day-to-day user trouble tickets.
- Adding servers to the domain and monitoring them using spectrum, sitescope, cacti.
Environment:Red-Hat Linux Enterprise servers HP Proliant DL 585, BL 465/485,ML Series , Solaris 8,9,10, AIX 5.3, 6.1, SAN Netapp , BladeLogic, Veritas Cluster Server 5.0, Windows 2003 server, Shell programming, Jboss 4.2, JDK 1.5,1.6, ,VMware Virtual Client 3.5, VMware Insfrastructure 3.5.
Confidential
Linux/Unix Administrator
Responsibilities:
- Installation and administration of RHEL 4.0/5.0and SUSE 10.x.
- Configured kickstartserver and updating/applying patches to the servers using Redhat Satellite server.
- Remote system administration using tools like SSH, Telnet, and Rlogin.
- Planning and implementing system upgrades including hardware, operating system and periodical patch upgrades.
- Experience and knowledge with designing, installing and implementing VMware VSphere ESX 3.5 ESXi 4.1/5.0/5.1/5.5 U2, VMware VCenter, setting up V-Motion, HA, DRS, and related VMware products such as VM Workstation, VMware converter as a part of Virtualization of the environment .
- Assisted in P2V conversions of Windows/Linux servers using VMware converters
- Have a good Experience on FTP clients like WinSCP ,Sterling Commerce and Axyway ,Transmit Mac OSX .
- Installation, configuration and administration of VMware, Solaris Zones, Containers and Ldoms.
- Automation of jobs through crontab and autosys.
- Installation of packages, patch management, volume managment on Suseservers using YaST.
- Applied appropriate support packages/patches to maintain system integrity.
- Performed capacity analysis, monitored and controlled disk space usage on systems.
- Monitored system activities and fine tuned system parameters and configurations to optimize performance and ensure security of systems.
- Adding servers to domain and managing the groups and user in AD, installing and configuring sendmail.
- Custom build of Windows 2003 and Windows 2008 servers which includes adding users, SAN, network configuration, installing application related packages, managing services.
- Responsible for maintenance of development tools and utilities and to maintain shell, Perl automation Scripts.
- Worked on Openstack Havana which includes installing, configuring, deploying application servers.
- Creating Security groups, adding resources to Openstack tenants
- Worked with project manager and auditing teams to implement PCI compliance.
- Build LPAR and DLPAR system and Installed AIX 5.2, 5.3 on LPAR using NIM.
- Installed and configured Virtual I/O Server V1.3.01 with fixpack8.1.
- Integrating Weblogic10.x and Apache2.x and deploying EAR, WAR files in Weblogic Application servers.
- Management and monitoring of various services using Service Management Facility and Service Administration.
- Designing Firewall rules for new servers to enable communication with application, Oracle 10g servers.
- Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager Solaris Volume Manager. File system Tuning and growing using VERITAS File System VxFS , coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
- Fine tuning of Servers and configuring networks for optimum performance.
- Organized various meetings with teams as mentioned above for tracking their requirements as inputs to get this done and designed the plan/steps involved and took user approvals.
- Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy.
- Installation, maintenance and administration of Oracle and Db2 Server on Sun Servers.
- Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
- As a member of the team, monitored the VERITAS Cluster Server 4.1 in SAN Environment.
- Creating and maintaining user accounts, profiles, security, rights, disk space and process monitoring.
- Created new groups and tested first in development, QA Boxes and then implemented the same in production Boxes.
Environment:Solaris 8,9,10, Red Hat Linux AS/EL 4.0, AIX 5.2, 5.3, Sun E10k, E25K, E4500, SunFire V440/880, DMX 3 DMX4, Siteminder, SonicMQ 7.0, VxFS 4.1, VxVM 4.1, SVM.
Confidential
Systems Administrator
Responsibilities:
- Installation and configuring of SUN Solarisand Linuxservers.
- Involved in Building and configuring Solaris 8/9/10 using Jump start server and Red Hat Linux Servers using KickStart server as required for the project. Maintained maximum uptime and maximum performance capacity for Enterprise Production, QA, and UAT/Staging.
- Incident management for Unix Servers Solaris, Linux .
- Installed and configured Solaris 10 servers with Zones and containers with SunZFS.
- Primary responsibility includes building and supporting Solaris/ Redhat Linux 3,4 servers.
- Monitoring CPU, memory, iSCSI disks, disk controllers, physical disk, HW and SW RAID, multipath, file systems, network using the tools NAGIOS and BMC Tools.
- Extensive experience in installing, integrating, tuning and troubleshooting Apache, Tomcat,WebSphere and Weblogicapplication server.
- Experience and knowledge with designing, installing and implementing VMware VSphere ESX 3.5 ESXi 4.1/5.0/5.1/5.5 U2, VMware VCenter, setting up V-Motion, HA, DRS, and related VMware products such as VM Workstation, VMware converter as a part of Virtualization of the environment .
- Assisted in P2V conversions of Windows/Linux servers using VMware converters
- Worked on Tidal-Sysadmiral, creating, scheduling jobs related to performance monitoring, backup on both Unix, Windows servers
- Involved in scheduling the job using Autosys.
- Worked with production support in scheduling workflows and database scripts using AUTOSYS tool.
- Implemented SUDO, SSH and other security tools and implemented SOX Sarbanes Oxley security compliance.
- Assisted in configuring the application servers with other components such as database, web servers, LDAP directory, Active Directory , BEA Web logic etc.
- Extensive use of Veritas Volume Manager for Disk management, file system management on Sun Solaris environment.
- Created Zetabyte file system ZFS in Solaris 10. Created zpools. Exported ZFS from local zones to local zones.
- Installation and configuration VeritasNetBackup on Sun Severs and performing Backup using Veritas Net Backup.
- Extensive use of Kornshell, Bash for scripting.
- Expertise in Linux backup/restore with tar including disk partitioning and formatting.
- Involved in Planning, building and Administration of various High Availability clusters and heart beat checking on Sun Solaris using VCS in heterogeneous SAN environment.
- Regular disk management like adding / replacing hot swappable drives on existing servers/workstations, partitioning according to requirements, creating new file systems or growing existing one over the hard drives and managing file systems.
- Planned, scheduled and Implemented OS patches on both Solaris Linux boxes as a part of proactive maintenance.
- Worked with other IT teams, customers users , and other managers in helping build and implement systems and standards.
- Involved in migration of projects from one flavor to another one.
- Involved in development, user acceptance, and performance testing, production disaster recovery server.
Environment:Solaris 8/9/10, Red Hat Linux 4/5, BMC Tools, NAGIOS, VeritasNetBackup, Korn Shell, Bash Scripting, Veritas Volume Manager, web servers, LDAP directory, Active Directory , BEA Web logic servers,SAN Switches, Apache, Tomcat WebSphere, Weblogic application server.
Confidential
UNIXAdministrator
Responsibilities:
- Installed RHEL3.0/4.0 using kickstart and custom building the servers per SOW.
- Installed/configured EMC Storage with 0, 1 5 RAID configurations.
- Installed and maintained Security issues.
- Installed Veritas Volume Manager, VCS Cluster Server for failover and for mirroring and raid level configurations on EMC storage frames.
- Performed all System Administration tasks like cron jobs, installing packages, and patches.
- Configured Mail relaying, virtual host, POP3 and IMAP4 services and enforced security policies.
- Configured and installed Automount and Jumpstart.
- Oracle Installation 8.1.5 on Solaris 2.6 Red Hat Linux Enterprise 3.
- Diagnosing hardware/software problems and provide solutions.
- Configured and maintained Samba Server, NFS Server, NIS Server and clients, DNS clients and AutoFs File systems.
- Troubleshooting system, network and user issues.
- Performing tape backups, archiving and checking data integrity through Shell Scripts and job automation.
- Supported back office systems environments.
- Testing and upgrading production, development and test Linux and Solaris servers.
- Creation Maintenance of user accounts passwords profiles, home directories, initialization of files, groups' creation and management, setting file permissions, customizing shell environment setup for users.
- Additional responsibilities include schedule and administration of server backups, setup and administration of network and msmailaccounts.
- Troubleshooting various problems related to VxVM in initializing, replacing, mirroring, encapsulating and removing disk devices on various Production Boxes.
- Maintaining production critical servers running Solaris UNIX, Linux supporting Oracle database and Web services. Providing 24x7 supports.
- Worked efficiently using VeritasNetBackup on development and production servers for backups and restores.
- Created LVMs on Linux servers.
- Writing Shell Scripts for managing day-to-day transactions for automation of routine tasks.
Environment: SUN Servers 6500, 4500, 420, Ultra 2 Servers , Solaris 2.6/2.7/8, VeritasNetBackup,Veritas Volume Manager, Samba, NFS, NIS, LVM, Linux, Shell Programming.
Confidential
Systems Admin
Responsibilities:
- Installation, Configuration, Upgradation and administration of Sun Solaris, RedHat Linux.
- User account management and support.
- Jumpstart Kick-start OS integration, DDNS, DHCP, SMTP, Samba, NFS, FTP, SSH, LDAP integration.
- Network traffic control, IPSec, Quos, VLAN, Proxy, Radius integration on Cisco Hardware via Red Hat Linux Software.
- Responsible for configuring and managing Squid server in Linux.
- Configuration and Administration of NIS environment.
- Managing file systems and disk management using Solstice Disksuite.
- Involved in Installing and configuring of NFS.
- Worked on Solaris volume manager to create file systems as per user and database requirements.
- Trouble shooting the system and end user issues.
- Responsible for configuring real time backup of web servers.
- Log file was managed for troubleshooting and probable errors.
- Responsible for reviewing all open tickets, resolve and close any existing tickets.
- Document solutions for any issues that have not been discovered previously.
Environment: Sun Solaris 2.6/7, SUN Ultra Enterprise 6000/450, SUN Ultra 10/5/2/1, Windows NT 4.0, RHEL 3.x.