We provide IT Staff Augmentation Services!

Unix System Administrator Resume Profile

3.00/5 (Submit Your Rating)

Marlborough, MA

Professional Summary

  • Over 8 years of specialized experience in UNIX Administration,Implementation and Production Support of various systems on Solaris, VERITAS BACKUP RedHat .
  • Supervising Data Center administration from beginning of a project to end. Migration of servers and hardware.
  • Creation of Infrastructure Design Documents. Successfully worked on implementation projects for my account and met deadlines before go live of the projects.
  • Active participation in architecture design review meetings.
  • Expert in configuring a TCP/IP network on AIX, creating mount points for Server directories and mount these directories on AIX servers.
  • Resolved many Application Startup problems, PATH problems, and Name conflicts, TCP/IP, LAN /WAN, Syslogging and Networking Problems.
  • Excellent in troubleshooting and Maintaining AIX and Patching.
  • Thorough understanding of fundamentals of AIX UNIX kernel and file system concepts.
  • Experience in installation, configuration, tuning, security, backup, recovery and upgrades of IBM AIX.
  • Experience in Installation and configuration on IBM System P p690/p650, p5-570, p5-550,p5-55A and p6-570,RS-6000 Servers.
  • Experience in installation and configuration of Virtual I/O Server VIOS 1.1,1.3,1.5.
  • Experienced in AIX Migration Installation, Preservation Installation and Complete Overwrite Installation using CDROM and configuring NIM Server
  • Experience in installation of AIX in an LPAR environment pSeries.
  • Experienced in Administration Concepts such as Virtualization and logical partitioning LPAR of CPU, HMC usage, Workload Manager.
  • Expertise in SMIT, LVM, Mirroring, Paging Space management, job scheduling, Performance monitoring,
  • Error logging, Diagnostics, and Fine-tuning.
  • Configured HACMP 4.x/5.x, Disaster recovery, detect and react to failure events, allowing the system to stay available during random, unexpected software problems and also configured to react to hundreds of system events.
  • Knowledge and experience in supporting different databases like DB2, Oracle on AIX.
  • Worked on and implemented PowerSC in a virtualized environment.
  • Implementation and Administration of DHCP, NFS and NIS on AIX.
  • Experience in DNS, NIS, NFS, Send mail, ftp, remote access, security management, and system troubleshooting skills.
  • Familiarity with SMIT and SMITTY, LVM Logical Volume Manager , Paging space management and user and system resource management.
  • Expert in setting up SSH, SCP, SFTP connectivity between UNIX hosts.
  • Good understanding of error logging subsystem and Performance Monitoring tools like vmstat, iostat, netstat on AIX 5L.
  • Experienced in creating CRON jobs to automate various System Administration tasks using the crontab utility.
  • Experience in Shell scripting to automate system administration jobs as per the customer request and applying
  • Familiar with Tivoli Storage Manager TSM for backup automation with policies configuration for Web based databases, setup consisted of server and client backup with progressive backup methodology
  • Expert in configuring a TCP/IP network on AIX, creating mount points for Server directories and mount these directories on AIX servers.
  • Excellent in troubleshooting and Maintaining AIX and Patching.
  • Extensive hands on experience in routine administration and monitoring tasks
  • Experience with working in Production, Development and Testing environment.

Technical Skills

Operating Systems: IBM AIX 4.3.3, 5.1, 5.2 ,5.3 6.1,7.1,Solaris, Red Hat Linux.

Hardware: IBM p520, p550, p560, p570, p575, IBM P670, IBM, P650, IBM RS/6000 F50, JS20 IBM Blade server, HMC

Application server

and technologies: NIM, Apache, HACMP clustering, DNS, NIS, NFS, Websphere Application Server 6.x/5.x, Websphere Portal server,Samba server.

Databases/Scripting: DB2, Oracle, Shell and PERL scripting.

Storage and Networking

Technologies: AIX Logical Volume Manager, IBM SAN, EMC powerpath, Naviagent, NAVICLI, Cisco Router, Cisco Catalyst Switch, TCP/IP, NIM, NFS, NIS, DNS.

Backup/Monitoring

Tools: TSM v5.3, v5.4, cpio, tar, mksysb, SMIT, WSM, SAR, topas, tcpdump.

Professional Experience

Confidential

Unix System Administrator

  • Installation, migration, Configuration and Administration of AIX 5.3, 6.1 7.1.
  • Install/Configure VIO servers as well as configuring virtual Ethernetshared Ethernet SEA , virtual SCSI and NPIV on IBM Power 6 and 7 systems
  • Perform O/S, firmware and required infrastructure software upgrades
  • Perform DR Failovers and disk replication failovers using Jackson's custom HA solutions.
  • Responsible for maintaining and administering IBM p570, p740 p750 AIX servers.
  • Responsible for both AIX and VIO server upgrades.
  • Performed Host Based SAN migration from IBM to IBM Series and EMC.
  • Responsible for UNIX part of storage migration from one storage array to another storage array and SVC migration.
  • Installed and configured Tivoli Work Load Scheduler.
  • Responsible for TSM backups of the systems.
  • Creating Logical Partitions for VIO Servers and Clients on power frames and assigning processors, memory and Ethernet adapters to VIOS and assigning memory and processor to VIOC LPARS .
  • Installation of VIOS 2.1.2 and applying VIOS Fixpacks.
  • Installation of AIX 6.1 on all VIO/LPAR Clients via NIM Sever.
  • Creating SEA Shared Ethernet Adapter to bridge between Physical Ethernet network and Virtual Ethernet Adapters.
  • Setting up Shared Ethernet Adapter failover.
  • Setup of VIO Clients/LPARS sharing Ethernet Adapters and SCSI's
  • Allocating SAN to client LPARS using NPIV by creating virtual fiber channel adapters using HMC and mapping Physical to Virtual adapters on VIO Server.
  • Allocating SAN luns to Client LPARS using Virtual SCSI adapters in which LUN's are initially allocated to VIOS which are virtually allocated to client LPARS VIO's by Creating Virtual Disks/Virtual Target Device VTD as per the disk requirement of each client LPAR VIOC .

Confidential

Unix Administrator

  • Provided support in a demanding 24/7 Production Environment in AIX, Solaris and Linux.
  • Install and configured AIX 5.3,6.1, on p550, 550,570,750 and 770
  • Worked on SUN SPARC -- M4000, M5000, M8000, M9000, T3-1, T3-2, T5100/T5200
  • Build Solaris Local zones, branded and native, sparse and full root
  • Install backup software including Avamar, TSM and Legato Networker and VERITAS Netbackup.
  • Creating Jumpstart Server and setup of Solaris servers through jumpstart
  • Work with Sun Solaris ZFS systems and VxFS.
  • Build and configured VIO server from the scratch and provided shared disks and network resources to the designated clients using Virtual SCSI/NPIV and Shared Ethernet Adapter.
  • Lead storage migration project migrating AIX servers using Brocade. NetAPP/IBM DS4800 to EMC VPLEX using VMAX and VNX on the backend.
  • Moved NPIV based VIO clients to VSCSI based storage to reduce the NPIV initiators requirements for AIX lpar clients.
  • Setup and maintenance of Tivoli rules for monitoring the UNIX/AIX environment
  • Installed Tivoli Storage Manager for AIX for backup and recovery on the Power Series AIX server
  • Extensive use of LVM, creating Volume Groups, Logical volumes, and disk mirroring on AIX.
  • Configured and administrated VIO server and VIO clients.
  • Daily roles included dealing with LVM extensively. Strong hold of LVM on AIX.
  • Daily tasks included dealing with AIX side of SAN. Like troubleshooting Fiber on card adapter, replacing Fiber card adapters and LUN's Configuration.
  • Setup of full networking services and protocols on AIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
  • Configured and installed LPAR's and VIO servers on P570, P595 servers.
  • Performing Failovers in HACMP cluster environment, monitoring servers.
  • Build AIX BOS on IBM p Series and IBM Blade server using CD, existing mksysb and NIM.
  • Migrated AIX 5.3 to AIX 6.1 using NIMADM procedure.

Confidential

Unix/Aix Administrator

  • Installed and upgraded operating system AIX 5.1/5.2 to AIX 5.3 and AIX 6.1
  • Installed and upgraded service pack ML08/ML09 for AIX 5.3 and latest fixes
  • B0uilt and Created Several LPARs using VIO Server and HMC
  • For the Performance Tuning used HMC to allocate and reallocate the CPU micro partitioning on the LPARs under different VIO Servers.
  • Added new storage on the LPARs by using HMC/VIO server
  • Involved with making the documents of HACMP upgrade from HACMP v5.2 to HACMP v5.4
  • Installed and configured HACMP 5.4 cluster for upgrade testing purpose.
  • Installed and Upgraded HACMP v5.2 to HACMP v5.4
  • Installed DB2 database, Opsware client on different Servers and HACMP clusters.
  • Installed TSM client, configure the server and DB2 database backup to the TSM server for different Servers and HACMP Clusters.
  • Installed several application software, handled trouble shooting, user management and hardware support, backup and restore patches, upgrades.
  • Handled NIM, User System Resource management, job scheduling, and Paging Space management.
  • Extensively used LVM, creating Volume Groups, Logical volumes, and disk mirroring.
  • Maintained availability, increased capacity performance of production machines by upgrading their hardware disks,cpu,memory, io board,power cooling unit,mother board etc firmware.
  • Analyzing errpt to find any reported problem.
  • Maintained system security protecting the data on the system by modifying the file and directory permission.
  • Assisted backup team for defining backup policies
  • Trouble shooting any reported issue.
  • Work with DBAs on installation of DB2, restoration and performance tuning.
  • Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.
  • Implement all changes by following change management rules.

Confidential

System Engineer

  • Install and manage several IBM RS/6000 AIX, Solaris, Linux systems, which include disk
  • management, network management, performance management, test, development and production.
  • Software and Hardware upgrades of AIX systems.
  • Coordinate with DBA team, users, developers and vendors.
  • Implement all changes by following change management rules.
  • Assist in the setup of a Web development environment on AIX platform.
  • Configured TCP/IP for servers and workstations and setup of complete network.
  • Experience with TCP/IP, FTP, DNS, NIS, BIND, Sendmail, sys logging, UNIX account management and filepermissions
  • Administered enterprise backup using VERITAS BACKUP Exec.
  • Performed maintenance on AIX RS/6000 machines, such as tape and hard drive replacements, make andchange logical volumes and file systems.
  • Performed User Account management, Problem Management, OS, data backups mksysb, savevg , cloning and user's logon support.
  • Extensive Shell scripts for application management, performance and security monitoring including theirmaintenance.
  • Performed the daily system administration tasks like managing system resources, writing scripts, and endusers support, operations and security.
  • Supported existing production environment including various applications and planned to improveperformance with growth.

We'd love your feedback!