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Team Lead/linux System Administrator Resume

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Lake Forest, IL

SUMMARY

  • 9 Years of experience as Solaris, AIX and Red Hat LinuxSystems Administrator in various industries on mission critical Enterprise Networks and Multi - server environments.
  • Experience in Administration, implementation and support of various OS like Solaris 8, 9, 10, RedHat Linux3/4/5, RHEL 4.x/ 5.6/5.8/6.2/6.3/6.6 , SuSE 9/10/11 and AIX 5/6.
  • Experienced in the custom jump-start, kick-start installations, support, configuration and maintenance of Sun Solaris,Red Hat Linux, Sun SPARC, x86 and x86-64 Servers under heterogeneous environments.
  • Used Bladelogic to upgrade Solaris and Linux operating systems. Written Bladelogic scripts to create flar images for solaris servers. Also used bladelogic to build new solaris and Linux servers
  • Experienced in configuring AIX servers using Visio.
  • Good Experience in creating service profiles & building Cisco UCS hardware.
  • Experience on patches installation, patch upgrades and packages installation on Sun Solaris, and Red Hat Linux servers by using RPM.
  • Experience with the installation, configuration of volume management using VERITAS Volume Manager, VxFS file system, and Solstice Disk Suiteon Solaris
  • Experience in the implementation of High Availability environment using VERITAS Cluster 4.1, 5.1, 6.1 and Sun Cluster Server 3.1,Oracle Solaris cluster 4.2on SPARC servers.
  • Experienced in VSphere Virtualization
  • Hands on Experience in configuring virtual interfaces (VIF) in Linux & Solaris servers.
  • Experienced in configuring virtualized platform(NSX) based on application architecture.
  • Experienced in Windows Power shell ISE & Power cli to automate Virtual Machine configuration.
  • Configuring and administering Solaris Zones and Containers on Sun Solaris 10 operating system.
  • Worked with NIS, NFS, NIS, DNS, and DHCP Server, Samba and TCP/IP on Sun Solaris, and Red Hat Linux server environment and LDAP client-server model to retrieve and manipulate data.
  • Good experience in LDAP Authentication
  • Experience in providing day-to-day user administration like adding/deleting users and managing user’s queries, fxing trusted relation & granting FTP/SFTP access.
  • Experienced in GIT repositoryset up to automated Post build process & to automate yearly patching activities.
  • Hands on Experience in monitoring server’s performance and resolving critical incidents using service-now.
  • Hands on experience on cfengine set up to model & monitor servers.
  • Installed and configured CygWin and Apache Web Server.
  • Hands on experience on SOX IT audit software.
  • Hands on experience in Configuring CyberArk for Linux & Solaris servers.
  • Worked with Backup Team to Configure the Master and Client Backup servers Using Veritas Net Backup and Recovery from tapes using ufsdump, ufsrestore, and tar and cpio file system administration.
  • Coordinated with SAN Team for storage allocation and Disk Dynamic Multi pathing. Worked on various SAN Products like EMC VMAX, DMX, Symmetrix, and Clariion.
  • Monitoring the hosts and networks using NAGIOS, Zenoss, BMC, sar, Iostat, VMstat, MPstat, cfengineand Other Tools.
  • Network trouble shooting using ‘ndd’, 'traceroute', 'netstat', 'ifconfig' and 'snoop' etc.
  • Install and configuration of Web hosting administration HTTP, FTP, SSH, & RSH.
  • Good experience on tape libraries like IBM 3582, 3583, IBM3584
  • Developed UNIX shell scripts using Cron, C Shell, Bash and Shell Scripting.
  • Provided support for Installation and configuration of Oracle, DB2 DBA and MySQL on Linux Servers
  • Excellent communication and documentation skills and is able to work individually as well as a team member.
  • Experienced as a project leader with a ability to initiate/manage cross functional teams and multi displinary projects
  • Adaptable and able to work under pressure.
  • Good at influencing, leading, negotiating and delegating
  • Production Support of various applications involving 24/7 on-call rotations.

TECHNICAL SKILLS

Operating Systems: Solaris release 8, 9, 10, Red Hat LINUX Release 5, 5.1, 5.2/ 5.6/5.8/6.2/6.3/6.6 , AIX - 5.0, 6.1 HP - Unix 10.0, 11.0, 11i, SuSE 9/10/11

VMware Products: VMware vSphere 5.0/4.0, VMware Infrastructure 3.0/3.5, vCenter 4.0/4.1,5,5.1, ESX/ ESXi 3.5/4.0/4.1/5/5.1 vCenter Update Manager 4.0 5.0, vSphere Client, VMware VMotion and Storage VMotion,VMware Distributed Resource Scheduler, VMware High Availability, VMware Fault Tolerance, VMware Consolidated Backup, SRM 5.0.

Hardware: Sun Fire V280, V480, V880, V6800 SUN Blade 6000. Sun Ultra Enterprise Servers (E10K, E25K, E3500, E4500, E450, E420R, E250), Dell Power edge 1650, 2850, 2950, 6400, IBM RS6000, Cisco UCS 5108

Servers / Services: UNIX (NIS, NFS, SSH & Samba), Print Servers (Hardware & Software) Citrix Server, Terminal Server, Apache on Solaris, LDOMS, IBM Tape Library 3584.

Security: Check Point Firewall, TCP/IP Wrapper.

Tools: VERITAS Cluster Server 4.1, 5.1, VERITAS Volume Manager 4.0, VERITAS File Systems, Solstice Disk Suite, IBM TSM 6.1, VERITAS Net-Backup 5.0, and Remedy 6.0, 7.1

Networking: NIS, NIS+, DNS, NFS, RPM, YUM and Auto FS, LAN, WANFirewalls

Application Servers: Web Sphere Application Server 3.5,4.0, Netscape/iPlanet Server, MQSeries, WebLogic Server, Glass fish Application Servers, IBM HTTP Server, HTML, DHTML, XML, Java Script, JVM, JSP, JBoss, Apache/Tomcat, Servlets, EJB.

Storage: EMC Clariion CX/FC, vnx, vmaxConnectrix, Symmetrix/DMC, Hitachi Arrays, CISCO SAN StorageTek tape libraries L40, L80, L180, L700, SL500, SL8500, DAT & DLT, STK 9940B, 9840B, Switches Brocade 48K, 24K 12K, 3900, Cisco MDS series, Mcdata Director 6410.

Clusters: VCS 4.0 & 5.0, 6.0 Sun Cluster 3.0, 3.1, Redhat Cluster Suite, Hana ZPFS cluster.

PROFESSIONAL EXPERIENCE

Confidential, Lake Forest, IL

Team Lead/Linux System Administrator

Responsibilities:

  • Installation, Configuration and Upgrade of Solaris 9/10, Red Hat Linux AS 4/5, RHEL / 5.6/5.8/6.2/6.3/6.6 , AIX 5.x, SuSE 9/10/11operating systems.
  • Experience in Setting up and configuring Install Server, Configuration Server and Boot Server for Jumpstart, and Kick start process to install OS on Several workstations.
  • 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 6.x.
  • Installation & Configuration of Logical Volume Manager - LVM, SVM and Veritas Volume Manager on Sun Solaris and RedHat Linux Hardware.
  • Installing, Configuration, and troubleshooting of ESX 3.x/4.x, Virtual Centre &VClient.
  • Installing, configuring and administering of Solaris Zones.
  • Implementation of high availability environment using VERITAS Cluster 6.1 on Solaris & Linux servers.
  • Installation and configuration of Veritas Net Backup on Sun Severs and performing Backup using VNB.
  • ConfiguringZFS and QFS and fixed the problems occurred, set the quota and reservations for such file systems.
  • Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system / user requirements.
  • Configured VMware and installed Linux and Windows Operating Systems according to the application & capacity requirement. Also involved in maintenance and Troubleshooting of VMware.
  • Allocating Storage from VNX.
  • Gained Experience in Datacenter relocation projects
  • Provided support to multiple SAP applications(BW-BIA/SEM, BI-JAVA,ECC/ERP, E-Recruiting) on Red Hat Linux servers.
  • Provided support to Splunk, Endeca & Hybris application on Red Hat Linux servers.
  • Setup of NFS, FTP Servers in SUN Solaris and SUSE Linux.
  • Well experienced in initiating yearly SOX auditing process using scripts on Linux & Solaris servers.
  • Hands on experience on SOX IT audit software.
  • Experienced in detecting Vulnerabilities on all environment servers using tool “Qualys”
  • Installation and Configuration of Oracle10i/g and MySQL on Linux servers.
  • Printer maintenance and managing print queues (network, local, remote and serial) using, Admin tool and lpadmin utility.
  • Experienced in GIT repositoryset up to automated Post build process &to automate yearly patching activities.
  • Hands on experience on cfengine set up to model & monitor servers.
  • Installed and configured CygWin and Apache Web Server.
  • Configure new builds in Jenkins, Hadoop & hybris based on design & capacity.
  • Good Experience in migration at storage level using VMWARE and VERITAS.
  • Good experience with installation and configuration of EMC Control Center (ECC) on RedHat Linux.
  • Configured Firewalls and security using SSl, ipchains, IPtables, TCP wrappers, tripware and Port scanners.
  • Configured IPMP (IP Multipathing) in Solaris and NIC Bonding in Linux.
  • Configured virtual IPs and bonding on Linux and Solaris.
  • Good experience on Raritan set up for Solaris physical servers.
  • Scripted power shell scripts to automate virtualization tasks using “Windows Power shell ISE”
  • Managing server life-cycles and inventory by analyzing older legacy systems, and assessing options for upgrading, consolidating, or disposal using the application “Swift Kanban”
  • Monitoring server’s performance and resolving critical incidents using service-now
  • Define and execute process of server patching, OS upgrades, and engineering change requests.
  • Setup SAN/EMC storages with HBA card configuration and different level of RAID configuration.
  • Implementation and Management of Disk Quota on Linux and Solaris Servers.
  • Provided support for Installation and Configuration of Oracle10i/g and MySQL on Linux servers.
  • Day to day trouble shooting for end users on UNIX/LINUX
  • Work with Development teams and other IT department personnel to coordinate system software changes and support application changes
  • Hands on experience in Configuring CyberArk for Linux & Solaris servers.
  • Managing server life-cycles and inventory by analyzing older legacy systems, and assessing options for upgrading, consolidating, or disposal using the application “Swift Kanban”
  • Good experience on Design &capacity planning phase based on environment architecture.
  • Good experience on leading team to avoid escalations & to maintain high-end performance.
  • Key role in deployment, installation and configuration of Sun Servers in production environment.
  • Managing the applications with Middleware.
  • Providing customer support, help/troubleshoot users to resolve server, network, and other system wide problems

Environment: Solaris 8/9/10, Red Hat Linux 4/5, Sun Enterprise Servers, IBM RS/6000, Cisco UCS 5108, Disk Suite, VERITAS Volume Manager 6.x, LDAP, DNS, NIS, NIS +,SNMP, Sun and VERITAS Clusters.YUM, Cfengine. Redhat Linux 5.x, 6.x, SUN Solaris 8, 9, 10, Suse Linux, 9, 10, 11 Sp3, VMWAREEsxi 4.0, 5, 5.5, SunfireV880, V440, Sun Storage Array, HBA, VERITAS Volume manager, Veritas net backup, Veritas cluster server, EMC controller, Apache, JVM, LDAP, SRM configuration, HP BL 460 G8, BL 460 G7, BL 360 G7

Confidential, St Paul, MN

Linux System Administrator

Responsibilities:

  • Experienced as Red Hat Enterprise LinuxSystems Administrator and also performed support role for applications on mission critical Enterprise Networks and Multi-server environments.
  • Experience in Administration, implementation and support of OS RHEL 4/5.
  • Experienced in the kick-start installations, support, configuration and maintenance of RHEL 5.5, Sun SPARC, x86 and x86-64 Servers under heterogeneous environments.
  • Experienced on patches installation, patch upgrades and packages installation on Red Hat Linux servers by using RPM & YUM.
  • Experience in providing day-to-day user administration like adding/deleting users in local and global groups on Red Hat Linux platform and managing user’s queries.
  • Configured Java agent for monitoring PHP, .Net, Apache, and Glassfish.
  • Experienced in giving 24/7 production support to the virtual servers
  • Installed New Relic Monitoring tool to monitor the servers & applications hosted through java, php, tomcat, glassfish.
  • Installed logging software: used graylog2 for event data collection.
  • Experienced in installing SYSLOG-NG & configuring loggy input & log forwarding.
  • Experienced in installing Graphite to collect numeric time series data.
  • Installed Apache/Tomcat Server &PhP.
  • Configured Glassfishapplication server version 2.1.1 on cluster and standalone.
  • Troubleshooting the glassfish virtual servers
  • Troubleshooted issues in VM Ware 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.
  • Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system / user requirements.
  • Experienced with the installation & configuration of volume management using VERITAS Volume Manager, VxFS file system
  • Worked with Backup Team to Configure the Master and Client Backup servers Using Veritas Net Backup and Recovery from tapes using ufsdump, ufsrestore, and tar and cpio file system administration.
  • Network trouble shooting using ‘ndd’, 'traceroute', 'netstat', 'ifconfig' and 'snoop' etc.
  • Developed automated processes that run daily to check disk usage and perform clean up of file systems on UNIX environments using shell scripting and CRON.
  • Install and configuration of Web hosting administration HTTP, FTP, SSH, & RSH.
  • Monitoring the hosts and networks usingsar, Iostat, VMstat, MPstatand Other Tools.
  • Experience in help desk management, desktop pc support & troubleshooting and supervising desktop pc technicians.
  • Proficient in using different ticketing tools like Remedy and JIRA
  • Maintaining appropriate file and system security, monitoring and controlling system access, file access, changing permission, ownership of files and directories, maintaining passwords, assigning special privileges to selected users by using RBAC utility, monitoring status of process in order to increase the system efficiency.
  • Provided customer support, help/troubleshoot users to resolve server, network, and other system wide problems.
  • Excellent communication and documentation skills and is able to work individually as well as a team member.
  • Adaptable and able to work under pressure.
  • Good at influencing, leading, negotiating and delegating.

Environment: Red Hat Linux 5.x, Sun Enterprise Servers, SUN FIRE 6800/E6500/E4500, Sun Sparc1000, Disk Suite, VERITAS Volume Manager 3.x/4.x, DNS, NIS, NIS +,SNMP, Apache, Glassfish and VERITAS Clusters.

Confidential, Waltham, MA

Solaris/Linux System Administrator

Responsibilities:

  • Installing, upgrading and configuring SUN Solaris 8, 9 and 10 on Sun Servers using jump start, and kick start installations on Red Hat Linux Servers 5, 5.1, 5.2, RHEL 5.2,5.4,5.7.
  • Performing patches installation, Patch upgrades and packages installation on Sun Solaris and Red Hat Linux servers by using RPM utility.
  • Setting up RAID levels on Sun Storage Equipments using Veritas Volume Manager and Veritas file System (VxFS), Solstice Disk-suite on new/existing production/development systems for reliability, fault tolerance, and availability in SAN environment.
  • Installing and Configuring nodes on a VERITAS Cluster in a SAN environment, adding VCS agents for Oracle, Sybase, troubleshooting fail over issues, resource management .
  • Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system / user requirements.
  • Experienced in troubleshooting the issues on WebLogic application servers.
  • Installing, configuring, and administering DNS, NFS, NIS,Mail servers, FTP servers RPM servers on Sun Solaris and Red Hat Linux platforms.
  • Working on VMware/Exs servers. Installing and monitoring various virtual environments with ESX 3.x/4.x and Virtual Centre 2.x.
  • Install and configured SAMBA, APACHE / TOMCATserver for Solaris and Windows connectivity.
  • Creating user accounts, user administration, local and global groups on Solaris and Red Hat Linux platform.
  • Monitoring the servers and network performance by using NAGIOS, Zenoss, SAR, Iostat, Vmstat, Mpstat and Other Tools.
  • 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.
  • Provided customer support, help/troubleshoot users to resolve server, network, and other system wide problems.
  • Supported, enhanced and maintained a heterogeneous UNIX network of Solaris 24x7 environment.
  • Experienced as a project leader with a ability to initiate/manage cross functional teams and multi displinary projects

Environment: Sun High-End Servers (12k/15k/25k), Midrange Servers (3800/4800/6800 ) Sun fire T series(T2000/T1000 and entry level Servers, storage arrays and Storage libraries, Sun Solaris 9, 8, 10, Veritas Volume Manager 4.1, 4.0 -3.5,Solstice disk suite 4.2.1, sun cluster 3.1.

Confidential, Lansing, MI

Solaris Administrator

Responsibilities:

  • Installation, Configuration and Upgrade of Solaris 9/10, Red Hat Linux AS 4/5, RHEL 4/5, HP-UX 11i, AIX 5.3operating systems.
  • Experience in Setting up and configuring Install Server, Configuration Server and Boot Server for Jumpstart, and Kickstart process to install OS on Several workstations.
  • Installation and Configuration of Veritas Volume Manager, Veritas File system and Veritas Cluster Server.
  • Created Korn Shell scripts to install the RTP system on a Unix server
  • Created SQL scripts to create, load and support tables for the RTP system Databases & RDBMS Oracle, MS Access, DB2, SQL Server 2005.
  • Able to develop ORACLE sql queries for debugging the issues from customer mail monitoring inbox. Able to use load tool as well.
  • Implementation of RAID techniques and the creation of Disk groups and volumes, plex using VERITAS Volume manager 4.1.
  • Installing, Configurating, and troubleshooting of ESX 3.x/4.x, Virtual Centre and, VI Client.
  • Installing, configuring and administering of Solaris Zones.
  • Configure ZFS and QFS and fixed the problems occurred, set the quota and reservations for such file systems.
  • Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system / user requirements.
  • Backup management and recovery policies usingVeritas Netback-up.
  • Monitor servers performance and resolving security incidents
  • 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
  • Setup SAN/EMC storages with HBA card configuration and different level of RAID configuration.

Environment: Solaris 8/9/10, Red Hat Linux 4/5, Sun Enterprise Servers, SUN FIRE 6800/E6500/E4500, Sun Sparc1000, IBM RS/6000, Disk Suite, Veritas Volume Manager 3.x/4.x, LDAP, DNS, NIS, NIS +,SNMP, Apache, WebSphere, Sun and Veritas Clusters.

Confidential, San Francisco, CA

Solaris/Linux System Administrator

Responsibilities:

  • Installing, upgrading and configuring SUN Solaris 8, 9 on Sun SPARC Servers using jump start and also Red Hat Linux 5, 5.1, 5.2 using kick start installations.
  • Performing patches installation, Patch upgrades and packages installation on Sun Solaris and Red Hat Linux servers.
  • Installation and Configuration of Veritas Volume Manager, Veritas File system (VxFS) and Veritas Cluster Server.
  • Implementation of RAID techniques and the creation of Disk groups and volumes, plex using VERITAS Volume manager 4.1.
  • Creating user accounts, user administration, local and global groups on Solaris and Red Hat Linux platform.
  • Maintaining appropriate file and system security, monitoring and controlling system access, changing permission, ownership of files and directories, maintaining passwords, assigning special privileges to selected users and controlling file access, monitoring status of process in order to increase the system efficiency.
  • Experienced in writing Shell programming for routine administration tasks.
  • Installation, configuration and maintenance LDoms, DNS servers, Mail servers, FTP servers, NFS, NIS, NIS+ and Samba Web servers on Red Hat Linux and Sun Solaris.
  • To produce automated monitoring / actions for critical storage resources to eliminate manual intervention and service interruption.
  • Data consistency of file system using fsck and other utility.
  • Scheduling system related cron jobs, Printer maintenance and managing printers (network, local, remote and serial) using, Admintool and lpadmin utility.

Environment: SUN Solaris, E250, E10K, E4500, SunfireV880/440, Sun Storage Array NAS and SAN, Sun servers (Sun Ultra 5, 280R, V240, V440, V480, V880, E450, E4500, E6500, E6800, E10K, E15K), SUN Blade 6000, Linux servers (Red-hat Linux Enterprise), YUM, Cfengine, Veritas Volume Manager, Sun Disk Suite.

Confidential

System Administrator

Responsibilities:

  • Installing, configuring and upgrading Solaris 8, 9 and Red Hat Linux Servers.
  • Installing and partitioning disk drives. Creating, mounting and maintaining file systems to ensure access to system, application and user data.
  • Installing, configuring and administering NIS master server and NIS slave server.
  • Installing & administering NFS services using auto-mounter.
  • Regular disk management like adding/replacing hard 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.
  • Scheduling the daily/weekly/monthly backups.
  • Patching up the system to the latest version as per the recommendations.
  • Monitor the health of the servers, Operating system, database and the network.
  • Data consistency of file system using fsck and other utility.
  • Maintenance of Hard disks (Formatting and Setup, Repair from crashes)
  • Maintaining appropriate file and system security, monitoring and controlling system access, changing permission, ownership of files and directories, maintaining passwords, assigning special privileges to selected users and controlling file access, monitoring status of process in order to increase the system efficiency, scheduling system related and cron jobs.
  • Create and maintain user accounts administering file systems and recognizing file access problems.
  • Coordinating with the customers vendors for any system up gradation and giving the exact procedure to follow up

Environment: Solaris 8, 9, and Red hat Linux 5.0, 5.2, Sun Fire 6800/v880, Sun Enterprise E3500, E4500, E450, Sun Ultra Sparc 60, Veritas Volume Manager 4.0, Solaris Volume Manager, Web logic 8.1, SAMBA .

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