Linux/unix Build Engineer Resume
Newark, DE
SUMMARY
- Administration of RHEL 4, 5, 6.x which includes installation, configuration, testing on both physical and virtual machines.
- Experience in NIM Installation, setting up NIM Servers, Clients, defining teh resources, Alternate Disk Migration with NIM.
- Experience in Installation, Configuration, Backup, Recovery, Maintenance, and Support of Linux servers.
- Experience in OS Provisioning of Virtual Builds, PSI - V2 and Bespoke.
- Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per teh client’s requirement.
- Experience in installation, configuration, tuning, security, backup recovery and upgrades of IBM, Red hat Linux.
- Perform initial Installation and configuration of VIO Server on p series (power 6, power5) hardware.
- Experience in migration of HACMP v4.4 to HACMP v4.5
- Experience in troubleshooting problems in HACMP environment using teh HACMP diagnostic utilities and problem determination tools.
- Experienced in implementing teh various security features in teh UNIX/ environment using LDAP like configuring user autantication.
- Performed HACMP to cluster multiple IBM RS/6000 nodes work to provide a highly available application.
- Installing, upgrading and supporting Apache and JBoss application servers on Red Hat Linux systems w/ Oracle 10G RAC with Cluster Ready Services (CRS) and Sybase 11.x, 12.x database.
- Expertise in using scheduling tools such as Control M and Autosys for setting up jobs for backups and monitoring processes.
- Configured Tivoli Monitoring tool on teh servers along with other monitoring tools like ESM on Linux servers.
- Expert in configuring a TCP/IP network on, creating mount points for Server directories and mount these directories on servers.
- Maintain & troubleshoot SAN and Fiber Channel Card related on LINUX and UNIX Operating systems.
- Experience in setting up and troubleshooting software and hardware raid configurations using RAID 0, 1, 5, 10, 01 on LINUX.
- Resolved many Application Startup problems, PATH problems, and Name conflicts, TCP/IP, LAN /WAN, Sys logging and Networking Problems.
- Excellent in troubleshooting and Maintaining and Patching.
- Ran QC Checks on HP QTP tool and remediating issues on Linux and AIX servers.
- Worked in Production, Development and testing environment.
- Team player with good management, analytical, communication and interpersonal skills. Provided on-call support by rotation to provide 24x7 support.
TECHNICAL SKILLS
Operation Systems: IBM (v4.2, 4.3, v5.2, v5.3, v6.1), HP-UX (v10,v11.x), Redhat Linux(v6.2,7.2,Enterprise Linux),Windows 2000/2003 server, Windows 95,98/NT/ME/XP
Hardware: IBM p520, p550, p560, p570, p575, IBM P670, IBM, P650, IBM RS/, JS20 IBM Blade server, HMC
Application Server and Technologies: NIM, Apache, HACMP clustering, DNS, NIS, NFS, Windows 2000/2003 Active Directory, Microsoft IIS Server4/5, SSL, Distribution Server.
Databases/scripting: MSSQL 2000, DB2, Oracle, shell scripting
Networking Technologies: Logical Volume Manager, IBM SAN, EMC powerpath, Cisco Router, Cisco Catalyst Switch
Backup/Monitoring Tools: TSM v5.3, v5.4, cpio, tar, mksysb, SMIT, WSM, SAR, topas, tcpdump, Windows NT, Backup/restore
PROFESSIONAL EXPERIENCE
Confidential, Newark, DE
Linux/Unix Build Engineer
Responsibilities:
- Installation, configuration and Administration of Red Hat Linux Servers and Solaris Servers.
- Applied appropriate support packages/patches to maintain system integrity.
- Performed manual build tasks on more than 700 servers. (Physical and virtual)
- Configured ldap on Linux, AIX servers.
- Responsible for configuring user autantication for different UNIX systems (Linux, AIX, SOLARIS) using LDAP.
- Configured Tivoli Monitoring tool on teh servers along with other monitoring tools like ESM on Linux servers.
- Ran QC reports with HP QC/QTP tool and remediated issues on teh servers to pass teh QA.
- Performed ESM scans and make sure teh servers are adhered to OS security standards.
- Install Sendmail and configure sendmail.mc, sendmail.cf.
- Configure netbackup and to add static routes, bp.conf entries to teh host.
- Automated server building using System Imager, PXE, Kickstart and Jumpstart.
- End to end provisioning of virtual and physical servers.
- Administration of RHEL 4, 5, 6.x which includes installation, configuration, testing on both physical and virtual machines.
- Configured teh yum repositories for installing and updating teh packages on teh Red Hat Linux.
- Installed and configured WebSphere Application server 5.x/6.x, Apache/IBM HTTP server on Linux and AIX.
- Installed and configured MySQL and oracle database on Linux servers.
- Expertise in Logical Volume Manager (LVM), Configured volume groups and logical volumes, extended logical volumes for file system growth needs using LVM commands.
- Configured teh Raid disks from teh bios for creating teh File systems.
- Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager. File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
- Worked on scheduling tools such as Control M and Autosys for setting up jobs for backups and monitoring processes.
- Create teh new VMs from teh template and complete teh built process as details provided by teh Customer.
- Creating and configuring ASM disks.
- Worked with DBA teams for Migrating Oracle 10G to 11G and performed teh test to for teh DB connection.
- Installed Keon (Security Software) on all teh servers before they are into production.
- Performed TL9 upgrade on ETL cluster.
- Perform teh Linux Kernel upgrades on teh server as suggested by teh Linux Engineering team.
- Installed and Configured VCS on teh servers.
- Identify teh HBA WWPN for configuring tape drives and working close with SAN admin and also backup teams for identifying teh tape drives.
- Configuration and administration of Fiber card Adapter’s and handling of SAN both on Virtual and Physical servers.
- Configured SSL certificates for security on NDM application, Generated teh keys for teh passphrase.
- Knowledge in scripting for automation, and monitoring using Shell, Bash and KSH scripts.
Confidential, Wilmington, DE
LINUX Administrator
Responsibilities:
- Responsible for Installation, Configuration Management, Maintenance and Systems Development of Systems.
- Installation, Administration and troubleshooting of 5.3/5.2 running on IBM pSeries 570, 590, 595 and Standalone RS6000 Servers
- Extensively worked and involved in capacity planning discussions.
- Used NMON tool for presenting all teh important performance tuning information on one screen and dynamically updating it.
- Installed and Configured IBM Application Server 7.0.X on 5.3 and windows servers.
- Responsible for teh operation, maintenance and integrity of a distributed, networked based environment
- Configured and supported Logical Partitions/Micro Partitions (LPAR/DLPAR), via HMC (Hardware Management Console).
- Installation configuration and testing of VIO Server with 5.3 on client LPAR’s on 550 and 570 models.
- Installation/administration of, Red Hat & Linux Servers on a LAN, setting up optimal RAID levels (fault tolerance) for protected data storage in NAS environments.
- Assigned Data Collection Levels for teh started and stopped resources such as JVM, EJB’s, WLM, and Deployment Manager.
- Worked to upgraded servers, adding and removing hard drives to server using Logical Volume Manager (LVM) to create Volume Groups (VG) which were tan partitioned into logical volumes.
- Migration of UNIX Server from one UNIX flavor to other (, SOLARIS, LINUX etc.)
- Maintenance of teh Application Servers on different UNIX (and LINUX) Platforms and setting up teh development and testing and staging environment for teh on going application development.
- Debugging of teh application problems in deployment time, runtime and in load test.
- Installed and maintained Energy IP, NMS, ORS applications on 5.3 (Smart Connect Project).
- Coordinated with Tivoli Access Manager and Tivoli Identity Manager Team (IDM) and implemented Single Sign on MDMS application.
- Provided support to 1600+ servers.
- Installed VIO server Advanced POWER Virtualization on IBM P5 System. Assigned resources by making LPAR client of VIO server.
- Lead from teh front in implementations including preparing implementation and back-out plans, organizing application owner meetings, educating them about teh downtimes and implementation plans.
- Installed ESM(Enterprise Security Management),Tivoli, Keon on and Linux servers.
- Responsible for NIM installation, setting up NIM servers, clients, define teh resources, Alternate Disk Migration with NIM
- Installed 5.3 on each client LPAR (VIOC) on teh disks which were virtually assigned to Client LPARs
- Upgraded server memory from 24GB to 48GB and allocated to all teh LPARS as per client requirement.
- Installed and Configured ITM 5 and ITM6on, Linux servers.
- Responsible for testing application and fixing bugs in Linux VMware, including setting up/installing teh backend Debian and SUSE Linux servers and performing teh configuration.
- Advised on best practices and spearheaded an upgrade project from older Linux distributions to CentOS/RHEL 5
- Administered teh UNIX System for clustered Servers running HACMP and dynamic LPARs with fiber attached SAN storage.
Environment:, VIO, LPAR, Linux, Windows 2000, Oracle 10G, TSM, IBM HTTP Server, IBM BladeCenter, Apache Web Server, Korn Script, SAN ESS Shark storage, NMON.
Confidential, Moline, IL
Linux Administrator
Responsibilities:
- Installation and configuration of Dual VIOs Server (Version 1.5.2.1) on new POWEER 6 (p570) System.
- Installation and Configuration and maintained eTrust Access Control and Audit on all UNIX flavors such as 5.x, SUN, LINUX, Unix and Windows Servers.
- Responsible for more than 350 servers out of which 300+ were Sun Solaris and others were and Linux.
- Creation of new viosed LPAR on POWER 6 System with Operating System.
- Alternation Disk Migration (alt disk migration) from 5.2 to 5.3 & 5.3 to 6.1.
- Move lpar from Regatta (power 4) hardware to power5 or power 6 systems.
- Configure new HMC in teh environment as teh replacement of teh existing one. Move all teh squads from old HMC to new one.
- Implemented and administered VMware ESX 3.5, 4.x for running teh Windows, Redhat Linux Servers on development and test servers.
- Connected Windows//Linux to above storage.
- Build teh VIOs and LPAR on teh SAN disks without using teh internal disks.
- Move all teh home directories of teh users from teh control work station to NFS share.
- Installation and Configuration of 6.1 NIM (Network Installation Management) on IBM Server. Configure SPOT and LPP SOURCE on NIM Server.
- Clone teh server from existing server and put in into teh production.
- Forklift teh server.
- Configure VLAN-Tagging on Dual VIO Servers.
- Clustered multiple lpars using HACMP, configured HACMP cluster to keep applications running.
- Performed task’s on all UNIX platforms like Solaris (5.6/5.8/5.9/5.10 )/Linux/ (4.3/5.1/5.2/5.3 ).
- IBM RS/6000 SP System Software Maintenance, System Dump Generation and sending System Dump to System Support Center.
- Predefined and Customized Volume Group management on .
- Responsible for event processing, change management and problem determination in HACMP environment.
- Written various Linux shell scripts for example- apps init scripts, periodic backup scripts of Perforce depot, xterm tittle pointing to host alias names while login in.
- Backup HMC critical console data to NFS share. Schedule teh HMC backups.
- Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per teh client’s requirement.
- Installation & configuration of SSH and RPM packages on Lpars. Installation and configuration of Netbackup software on lpars.
- Disk Management on using SMIT.
- Data Migrations between EMC, IBM and Power-path Disks.
- Move Lpar from POWER 5 to POWER 6 frame.
- Setting Dyntrk attribute for teh fscsi adapter on Servers.
- Logical Volume Management (LVM) administration of .
- Disk Expansions and File system expansions on various plat-forms.
- Add resources like memory and CPU to teh VMware Client.
Environment: UNIX Shell Scripting, UNIX, IBM 6.1, 5.3, 5.2, POWER 6(p570), Solaris 10, Regatta (power 4) VMware, VIO, NIM, Linux (Red-hat), SAP, Perl, Korn Shell, NIS, NFS, LDAP Server, HACMP.
Confidential, Richmond, VA
Linux Administrator
Responsibilities:
- Responsible for Installation, Configuration Management, Maintenance and Systems Development of an Systems from Scratch.
- Installation of Solaris 10 from Scratch.
- Installation and Configuration of Linux Enterprise Server (Version 4).
- Use HMC to create LPAR, DLPAR, micro partitioning.
- Configuration management including teh building of LPARs and configuring teh hardware devices that support them.
- Primary responsibility includes building and supporting Redhat Linux 3,4 servers. administration supporting RS6000 Servers, installing, configuring and maintaining Samba Server and IBM HTTP Server.
- Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per teh client’s requirement.
- Backup, Recovery and Update of HMC to Latest Level.
- Performance Management & Tuning of UNIX Kernel.
- Installing and configuring Apache and supporting them on Linux production servers.
- Experience in analyzing logs, problem determination, and Recovery and restart.
- Logical Volume Management (LVM) administration of .
- Security, users and groups administration.
- Setup of full networking services and protocols including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
- Solved System performance issues on Sun, Linux and Production/Development Servers.
- Install Symark Powerbroker and Powerpassword security software on Master (Server) and Client machines and configure teh machines.
- Disk Management on using SMIT.
- Configuring teh Infoprint Manager server.
- Configuring teh SAP system server.
- Installing teh SAP Client when SAP runs on .
Environment: UNIX, IBM 5.2, 5.3(RS/6000), Solaris 10,VMware, Linux(Red-hat), Tivoli Storage Manager, Perl, Korn Shell, NIS, NFS, LDAP Server, HACMP software, Cisco routers.
Confidential
UNIX System Administrator
Responsibilities:
- Installed and managed several IBM RS/6000 systems which include disk management, user management, network management, performance management, test and development projects running on 4.x.
- Design, implement, and maintain solutions for Tier me applications, including multiple udb database servers.
- Software and Hardware upgrades of systems installed and worked on various Volume managers.
- Routinely created Volume, Mirroring/Resizing/Deleting File Systems using Veritas Volume Manager, LVM on Linux/ Servers.
- Maintenance of teh servers on different UNIX platforms and setting up teh development and testing and staging environment for teh ongoing application development.
- Implemented corporate E-mail network using Sendmail on .
- Responsible for Installation, Configuration Management, Maintenance and Systems Development of Systems.
- Installation, Administration and troubleshooting of 5.3/5.2 running on IBM pSeries 570, 590, 595 and Standalone RS6000 Servers.
- Extensively worked and involved in capacity planning discussions.
- Used NMON tool for presenting all teh important performance tuning information on one screen and dynamically updating it.
- Installed and Configured IBM Application Server 7.0.X on 5.3 and windows servers.
- Responsible for teh operation, maintenance and integrity of a distributed, networked based environment.
- Configured and supported Logical Partitions/Micro Partitions (LPAR/DLPAR), via HMC (Hardware Management Console).
- Installation configuration and testing of VIO Server with 5.3 on client LPAR’s on 550 and 570 models.
- Maintaining production critical servers running Solaris UNIX, Linux supporting Oracle database and Web services. Providing 24x7 supports.
- Worked efficiently using Veritas NetBackup 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: UNIX,, SUN Servers (6500, 4500, 420, Ultra 2 Servers), Solaris 2.6/2.7/8, Veritas NetBackup, Veritas Volume Manager, Samba, NFS, NIS, LVM, Linux, Shell Programming.