Unix-linux Admin Resume
Chandler, AZ
SUMMARY:
- Over 7+ years of UNIX System and Network administration in Sun Solaris (9/10), HP - UX (10.x,11.x), IBM AIX (5.x), Linux (RedHat 4/5/6).
- Server Installations, configurations, upgrades and migrations on Solaris, HP- UX, Linux.
- Configure and manage Middleware and web tools such as Apache, Tomcat, WebSphere, JBoss.
- Storage Provisioning, Volume and Filesystem Management using Veritas Volume Manager and VeritasFilesystem (Veritas Storage Foundation), Configuring ZFS filesystems.
- Customized patching and maintenance of HPUX, Solaris, Linux servers on regular schedule.
- Worked on different platform on SUSE Linux which includes 10.x,11.x
- Regular work involving building new Linux Physical and Virtual servers using kickstart and PXE.
- Installation, Configuration and administration of LPARS.
- Experienced Installing, Configuring and supporting VMWare ESX 3.4 and 4 versions.
- Installed, monitored and supported Web and Application Servers on AIX and Linux environments.
- Server Installations, configurations, upgrades and migrations on Linux.
- Configure and manage Middleware and web tools such as Tomcat apache, WebSphere, JBoss.
- Consolidating multiple Linux servers, into 2 physical virtual servers, using vserver.
- Customized patching and maintenance of Linux servers on regular schedule.
- Regular work involving building new Linux Physical and Virtual servers using kickstart and PXE boot.
- Installation and troubleshooting on VMware running Linux (RehHat) and Windows (wintel, windows 7, XP, Vista).
- Experience in building the Solaris servers using wanboot.
- Good working knowledge of network & UNIX security procedures.
- Administrating and troubleshooting Red Hat Cluster Suites.
- Participate in installing and configuring of UNIX/Linux based Oracle 10g products
- Strong knowledge of large-scale Linux deployment methodologies, kernel configuration, performance monitoring, and tuning
- Experienced in working with Network Engineers to install, manage, and configure NAS based storage and insure overall system and network security.
- Worked with WebSphere team in order to configure WAS instances for BMC patrol.
- Hitachi, EMC SAN installation and tuning of NetBackup server environment..
- Provide 24x7 on call server support for UNIX environment and Sun Solaris.
TECHNICAL SKILLS:
Hardware: HP, DELL, IBM, PSeries, SUN Enterprise.
Servers: Web Sphere Application Server 3.5/4.0, Netscape/iPlanet Server, MQSeries, Web Logic Server, IBM HTTP Server, HTML, DHTML, XML, Java Script, JSP, Servlets, EJB, Apache 2.2, Tomcat 5.5, Active MQ
Networking: TCP/IP, RPC, UDP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, LAN.
RDBMS: IBM UDB2, Oracle 7.x/8.0/9i, MS-SQL Server 7.0/6.5 and MS-Access 97/95.
Languages: UNIX Shell Programming (ksh,csh,sh),Verilog HDL, Matlab with toolboxes, SQL.
Applications: Samba, Tivoli (TSM), VERITAS Volume Manager.
PROFESSIONAL EXPERIENCE:
Confidential , Chandler AZ
UNIX-Linux Admin
- Installation, Configuration and Upgrade of RedhatLinux 5.x, 6.x Operating systems.
- Daily Administration of RHEL 5.x and 6.x.
- Implemented and administered VMware ESX 3.5, 4.x for running the Redhat Linux servers on development ant test servers.
- Installed software packages and configured File systems as per specifications of client.
- Involved in configuration and support of production environment hosted in a 24x7 setup.
- Troubleshooting and problem resolutions on Linux servers.
- Troubleshooting application issues on Apache web servers an also database servers running on Redhat Linux.
- Monitored the servers and linux scripts regularly and performed troubleshooting steps.
- Maintained necessary back-up of the important files and documented linux scripts for future reference.
- Expertise in Linux backup/restore with tar, gunzip, including disk partitioning and formatting.
- Deployed latest patches for Linux and Application servers.
- Administered Liux servers for several functions including managing users, Groups, and permission for each groups and users.
- Pakage management using RPM, YUM and UP2DATE in Red hat Linux.
- Associated with DBAs for installation of Oracle Database on Linux servers and for tuning, backup and restore.
- Troubleshooting all kinds of UNIX problems and assisting users.
- User and Group administration in Linux and Solaris environment.
- Configured Oracle RAC Cluster.
- Deployed Puppet, Puppet Dashboard for configuration mananagement to existing inftastructure.
- Involved in developing custom scripts using Perl and Shell scripts to automate jobs.
- Scheduling the jobs by creating crontabs /Cronjobs on Linux servers.
- Monitor the performance and availability of key middleware components in production and test environments.
- Responsible for monitoring and working on problem tickets. Following it up with business and tehincal teams, and ensuring the problem is successfully resolved.
- Worked on firewall implementation & Load blancer between various Linux Servers.
- Experience managing multipathing using Linux and also EMC Powerpath on SAN devices.
- Experience working EMC SAN storage Arrays like EMC DMX, VMAX and configured RAID groups and created LUN's on them.
- Responsible for providing technical support and providing production support for internally developed applications.
- Experience with installing and configuring sudo, proposed and implemented the idea of building a master sudoers file, and worked on a script to push the file to client LPAR’s on a weekly basis to lock down sudo access as a part of security audit
- Experience with Power VM 2.2 (VIO), HMC Version 6 and 7, EMC CLARiiON subsystem device configuration (Power path)
- Experience in NetApp storage devices, setup, configuration, operations and connecting to pSeries hardware.
- Experience in installing configuring and administering MQ 5.3/6.0 on AIX, Linux and Windows environments.
- Power VM Virtualization (SEA, vSCSI, NPIV), Dynamic LPAR (DLAPR)
- Experience with Integrated Virtualization Manager (IVM)
- Perform system installs and performance tuning, configure and administer AIX 5.3, 6.1 LPAR’s
- Perform day to day LVM operations and System Admin tasks
- Providing on line support for Sun/Linux servers in a Data Center Production Environment
- Planning, installing and configuration of operating system on new Sun/HP Servers.
- Configured System imager for Linux Servers and used it for Cloning, software distribution and OS updates.
- Installations using PXE boot, Maintenances and troubleshooting hundreds of Linux Servers.
- Adding/expanding new storage to existing/new systems using LVM, VERITAS Volume management VXVM and Vxfs on Linux/SUN servers.
- Worked on Solaris servers supporting all the OS administration, application and hardware issues.
- Very good working experience on Redhat Satellite Server upgrading and patching.
- Building Linux servers by using VMware ESX 3.0 and also involved in channels and pushing the packages in Redhat Satellite Server.
- Day to day resolving ticket issues.
Confidential , Chandler AZ
UNIX-Linux Admin
- Troubleshooting all kinds of UNIX problems and assisting users.
- User and Group administration in Linux and Solaris environment.
- Day to day resolving ticket issues.
- Creating and maintaining user, groups account on LINUX server.
- Knowledge of installing RHEL Server from scratch using kick start and PXE boot.
- Responsible for migration of Microsoft Virtual Servers and VMware GSX servers to ESX platform.
- Diagnosing and resolving systems related tasks in accordance with priorities setup in dealing with trouble tickets.
- Hands on experience using the VI editor.
- Install, configure, tuning, security, backup, recovery and upgrades of RHEL 5.5 and higher
- Regular work involving building new Linux Physical and Virtual servers using Kick start and PXE
- Perform day to day LVM operations and System Admin tasks.
- Experienced working script in shell.
- Wrote & automated security audit scripts in the environment
- Administering and troubleshooting of Redhat Clusters.
- Adding and removing nodes from and to the cluster.
- Experience in Installation and support of server adapters HBA (host based adapter) and network cards.
- Experience with Linux installations, configuration management and patch administration as member of a production support team.
- Strong knowledge of Linux kernel configuration, performance monitoring, and tuning.
- Good Knowledge of LVM, which include creating PVs, VGs, LVs and filesystems and troubleshooting.
- Involved in complete Administration tasks on UNIX, Red Hat Linux and Solaris and documentation for the projects executed.
- Responsible for installation, configuration and administration of Sun Solaris 9 and Red Hat Enterprise Linux on x86 architecture.
- Rapid-provisioning and configuration management for CentOS using Kickstart and Puppet
- Configured Kickstart server to install Red Hat Linux on multiple machines.
- Experience using Kickstart and modified Kickstart based on server profiles and hardware specifications.
- Deployed Puppet for configuration management to existing infrastructure.
- SAP Technical Consultant specializing in Security and Basis Administration
- Planning SAP system, upgrade and choosing the best upgrade strategy and carefully executing all phases especially for SPDD, SPAU adjustments.
- Performed System copy Homogeneous: DB2, MSSQL and Maxdb with Linux, Solaris and Windows Heterogeneous: Maxdb and MSSQL with windows.
- Performance tuning and monitoring and corrective maintenance.
- Trouble shooting system problems by analyzing system log, dump
- Implemented puppet to manage all of servers and automate the build/configuarion of new servers.
- Build automatic provisioning system with Kickstart and Puppet.
- Architected and implemented automated server provisioning using kickstart/cobbler and puppet.
- Implemented puppet for configuration management.
- Experienced Installing, Configuring and supporting VMWare ESX 3.4 and 4 versions.
- Installed, monitored and supported Web and Application Servers on AIX and Linux environments.
- Implementation and setup of local Linux disk backups using open Source applications.
- Installation and troubleshooting on VMware running Linux (Red Hat) and Windows (wintel, windows 7, XP, Vista).
- Worked with DBA for Installation of Oracle on Linux and Solaris.
- Worked on installation of Power path on all Linux boxes.
- Participate in installing and configuring of UNIX/Linux based Oracle 10g products
- Set up and troubleshoot issues with Secure Shell in the environment to accommodate script automation and password changes.
- High level experience with PERL scripting
- Strong experience with XML, SQL, PERL, and shell scripting
- Excellent knowledge of distributed computing, relational databases, and network programming
- Superior background in object oriented development, including PERL and C++
- Profound understanding of networking and LINUX/UNIX
- Outstanding decision-making and problem-solving skills
Environment: Unix/RedHat Linux, Solaris, Unix/Linux. VMware, Citrix, BMC Remedy
Confidential, AZ
UNIX-Linux Admin
- Linux (RedHat 3/4/5/6) UNIX System and Network administration in Sun Solaris (9/10), HP-UX (10.x,11.x), IBM AIX (5.x), Server Installations, configurations, upgrades and migrations on Solaris, HP- UX, Linux and AIX.
- Experienced working with NPIV and EMC SAN configurations within AIX.
- Perform system installs and performance tuning, configure and administer AIX 5.3, 6.1 LPAR’s
- Experienced in managing LPAR with virtual memory management and memory optimization and using AIX Virtual Memory Manager (VMM).
- Experienced in providing full support to the life cycle of the Project i.e. Development, Testing, Production Phase Experienced in Upgrading HMC from 6.1.3 to 7.3.3 versions.
- Introduced config 2 html scripts as attempt to document the whole AIX server environment in the company, & automated the scripts.
- Responsible for building and migrating different versions of RHEL.
- Responsible for migrating and updating RHEL, SUSE, Fedora.
- Responsible for patching and upgrading all SUSE Linux Servers.
- Kernel upgrade on RHEL and SUSE.
- Installed SAP systems of all flavors.
- Performing workload analysis of SAP Servers
- Checked database performance time to time from SAP R/3 level
- Worked on system copies and DB Refresh
- Performance tuning of SAP system and Database
- Participate in requirements definition for procurement of Test and Production Servers
- Installed SAP WAS Server 6.10 & 6.20 on UNIX and LINUX
- Worked on UNIX Shell Programming ksh, csh, sh, bash, php, perl.
- Create virtual media repository and LPAR dedicated virtual optical drives in the VIO servers to make new installations, cloning and migrations faster and easier.
- Responsible for set up of BMC Patrol Agents V3.6.50.11i and 3.6.60i environment on UNIX Servers.
- Worked with WebSphere team in order to configure WAS instances for BMC patrol.
- Experience in Setup and Configuration of IBM AIX HACMP and GPFS on pseries servers.
- Involved in supporting HP Open VMS Systems
- Experience in using VERITAS Volume manager and VERITAS Cluster server products.
- Experienced in leading a team for the built process and represent Change control meeting for the ongoing process.
- Knowledge of ITIL and Business Continuity processes, experience with tape technologies, Information Life Cycle Management and SOL 10.
- Experienced in Performance tuning in the test phase of the Servers.
- Monitor system performance to ensure adequate response times
- Power VM Virtualization (SEA, vSCSI, NPIV), Dynamic LPAR (DLAPR).
- Experienced in Cleaning Storage and Allocates Luns to servers per standard configurations or recommendations.
- Worked with SOP’s related to storage allocation.
- Experience with Integrated Virtualization Manager (IVM)
- Perform day to day LVM operations and System Admin tasks.
- Experienced in troubleshooting virtual Ethernet adapters, Clusters interconnect, and ether channels.
- Experienced working script in shell, perl.
- Experience in performing tasks like monitoring CPU / RAM / Disk space utilization, port utilization and running processes on applicable OS
- Wrote & automated security audit scripts in the environment
- Experience with IBM Power4, Power5, Power6 and Power7 virtualization.
- Administering and troubleshooting of Redhat Clusters.
- Adding and removing nodes from and to the cluster.
- Installed SUSE Linux on Cisco Hardware for SAP HANA deployment.
- Experience with Linux installations, configuration management and patch administration as member of a production support team.
- Strong knowledge of Linux kernel configuration, performance monitoring, and tuning.
- Good Knowledge of LVM, which include creating PVs, VGs, LVs and filesystems and troubleshooting.
- Configuration and maintenance of common applications such as NFS, DHCP, NTP, SSH, DNS, and SNMP.
- Strong knowledge of large-scale Linux deployment methodologies, kernel configuration, performance monitoring, and tuning
- Experience with SAN/Data Center Migration and Consolidation implementations.
- Experienced in Storage Consolidation/Migration in an ENTERPRISE environment (EMC/IBM/NetApp).
- Involved in complete Administration tasks on UNIX, Red Hat Linux and Solaris and documentation for the projects executed.
- Responsible for installation, configuration and administration of Sun Solaris 9 and Red Hat Enterprise Linux on x86 architecture.
- Installed required software patches and software.
- Used RPMs to install, update, verify, query and erase packages from Linux Servers.
- Configured Kickstart server to install Red Hat Linux on multiple machines.
- Experience using Kickstart and modified Kickstart based on server profiles and hardware specifications.
- Experienced Installing, Configuring and supporting VMWare ESX 3.4 and 4 versions.
- Installed, monitored and supported Web and Application Servers on AIX and Linux environments.
- Implementation and setup of local Linux disk backups using open Source applications.
- Consolidating multiple Linux servers, into 2 physical virtual servers, using vserver.
- Installation and troubleshooting on VMware running Linux (Red Hat) and Windows (wintel, windows 7, XP, Vista).
- Worked with DBA for Installation of Oracle on Linux and Solaris.
- Worked on installation of Power path on all Linux boxes.
- Participate in installing and configuring of UNIX/Linux based Oracle 10g products
- Providing Version Control with Subversion and Automated Build & Deployments
- Leading a small team of Deployment and Build Engineers
- Experienced in SAN Zones and creating LUN for the Servers as requested
- Experienced with working with Systems Engineers to implement storage solutions which provide high performance, data protection and cost effective use of available storage.
- GSD331 troubleshooting, find any incompliant servers are Remediate GSD331.
- Installed WebSphere Portal Server 5.1/6.0/6.1 and enabled Web Content management.
- Migrated WAS 5.0 Network Deployment and Base on AIX/Windows platforms to WAS 6.0 ND.
- Responsible for architectural design of all Hitachi San environments and Brocade switches.
- Management of all SAN storage systems, Hitachi, EMC, SUN capacity planning and performance tuning.
- Installation, Configuration and administration of LPARS.
- Installation, administration of VIO Server and VIO client LPARS.
- Upgrading VIO version from 1.4 to 1.5 and 1.4.1.2-FP-9.2 to 2.1.
- Knowledge of ITIL and Business Continuity processes, experience with tape technologies, Information Life Cycle Management.
Environment: UNIX/RedHat Linux, Solaris, Vi Editor, Shell Scripts.
Confidential, Tempe, AZ
UNIX Administrator
- Provided on-call support by rotation to provide 24x7x365 support.
- Performed build from scratch installation, migration, configuration and maintenance of SUN Boxes 8/9/10, on M5000, T2000, T5000 and E25K etc., via Wanboot Server, LINUX 4.x/5.x/6.x on HP Hardwares and ESX via Kickstart Server and AIX of AIX 5.3/5.2/5.1/6.1 on IBM P series Hardwares through NIM server.
- Installing and Configuring of the Virtual Redhat Linux and Windows Clients on the ESX hosts.
- Vmotion of the Servers on the ESX hosts.
- Configured VLAN’s and SAN on Virtual Servers.
- Installed and Configured ESX on IBM X3850 boxes with Kickstart Server.
- Installed and Configured WebSphere Application Server 5.1 and 6.1
- Installed and Configured Veritas Symantec NetBackup and Veritas Cluster Suite on the Unix Servers.
- Installing tools like PowerPath, Power Broker, BMC patrol, VSA, Tivoli, ITM.
- Worked on all types of Hardwares like Dell 2850, 3850, 6850, HP DL 580 G5, 380 G5, M5000, T2000, E25k.
- Installed REHL 3/4/5 on X86 64 bit Intel Processor and on x-series and HP DL Series Hardware’s.
- LVM (Logical Volume Manager) Administration, OEL and VMware Administration.
- Involved in large data center migration - planning, designing, moving servers to new data center, coordinating & troubleshooting issues with various data center, network, application and storage teams.
- Physical to Virtual Machine Migration (P2V) and Physical to Physical Server Migration (P2P).
- Performed live migrations and consolidated the physical servers to VMware infrastructure virtual machines with shared storage across EMC clariion, Dell and Open filer SANs.
- Creating test plans to test and build Sun servers for Solaris 10.
- Building Sun Solaris Servers from scratch with Jumpstart & Flash Archives for upcoming projects.
- Adding Disks and Creating Slices and File System Administration on Solaris 8/9/10.
- Creating/deleting root disks, root mirror, metadevices, metadbs, mirrors using Solaris Volume manager Solstice Disk Suite.
- Configuration of Solaris 10 Wanboot server, zone creation, Role administration.
- Creation and Configuration of the Solaris Zones on the T2000 and T4-1 Hardwares
- Migrating of the Zones from one Hardware to a different Hardware and to other DataCenter.
- Migrating the existing Solaris Servers from SVM to UFS and then to ZFS for Live Upgrades
- Well Experienced in Live Upgrades Projects on the Solaris 10.
- Veritas Installation and Configuration of the Veritas Cluster on the Unix Servers.
- Veritas Volume Manager Configuration.
- Adding EMC LUNs to AIX Servers for ongoing space requirements, Managing EMC master agents on AIX, working with Storage team on EMC Symmetrix
- Troubleshooting HBAs problems.
- Logging calls with Sun Microsystems, Veritas, Symantec, Emulex, EMC, HP (Linux) for resolution of critical problems.
- Installed and Configured Veritas Symantec NetBackup and Veritas Cluster Suite on the Unix Servers.
- Installing and configuring CentOS6.x on VMware Machines.
- Installing and configuring Apache on the CentOS servers.
- Configuring and monitoring Disk Mirroring and stripping using LVM.
- User Management Administration and File System Management.
- LDAP configuration and Management on the UNIX Servers.
- Swap Space Management.
- Job Scheduling and Automating process using CRON and AT.
- Performance monitoring utilities like IOSTAT, VMSTAT, SAR, TOP and PRSTAT
- Installation of Patches and Packages on the Linux and Solaris Servers.
- Configuring and managing the Network Interfaces.
- Ensure Data recoverability by implementing system and application level backups using NetBackup.
- Configuring and implementing LINUX Kernel re-compilation.
Environment: Unix/RedHat Linux, Vi Editor, Solaris,Unix/Linux, Shell Scripts, VMWARE.