Aix Administrator Resume
3.00/5 (Submit Your Rating)
PROFESSIONAL SUMMARY
- 7 + years of AIX System Administrator , Engineering and Development of information Systems
- Installed and Configured Web Sphere Application Servers on Linux and AIX
- Supported Web Sphere Application Server, IBM HTTP/ Apache Web Servers in AIX and Linux environment for various projects.
- Experience in Configuration of multiple logical subsystems utilizing IBM HMC with LPAR configuration, NIM to install and manage LPAR. Good understanding in Virtualization on IBM P5 systems
- Administering and troubleshooting of AIX HACMP Cluster.
- Expert in installation, configuration, tuning, security, backup, disaster recovery and upgrades of IBM AIX, Sun Solaris, Windows 2003 server
- Installed and managed several IBM AIX systems which include disk management, user management, network management, performance management, test and development projects running on AIX 5L/5.3/5.2/5.1 , 4.3.
- Managing LVM and File systems, SRC and Paging space management, restore and availability.
- Experienced in working on VERITAS Cluster Server (VCS) for configuring VERITAS Volume Manager.
- Installation and configuration of LPAR’s with AIX 5.3 on p5 servers.
- Installation and configuration of VIO Server with AIX 5.3 on 570 and 590 models.
- Implementing and managing resources in VIO server.
- Installation and Administration of TIVOLI Service Desk.
- Disk Replacement Strategy on AIX
- Installation and configuration of NIM master and clients.
- Experience in Migration of HACMP 4.3.1/4.5 to HACMP 5.1.
- Knowledge of networking (TCP/IP, Ethernet), NIS, DNS, NFS, DHCP and RAID
- Installation of patches, security fixes, e-fixes, packages on AIX, Sun Solaris, Linux and Windows NT/2000 Servers.
- Experience in setting up NFS servers and clients.
- Installed and configured IBM Web Sphere Application Server 3.5/4.0/5.0 on AIX and Linux.
- Adding network printers and conducting day-to-day system administration, including backup/recovery in NAS environments.
- Experienced and familiar with tools like SMIT.
- Defined and setup network printers, and install client/server applications. Define/setup network protocols, Network File Services (NFS), and Network Information Services (NIS).
- Install and manage 20 systems for various production and development projects running on Solaris with Oracle.
- Experienced in writing scripts such as Korn Shell (ksh).
- Provided 24x7 support on shift rotation basis.
- Excellent analytical, oral, written, communication and problem solving skills and good Team Player.
PROFESSIONAL EXPERIENCE:
Confidential,NY Jan 2009 – Till Date
AIX Administrator
Responsibilities:
- Performance Management & Tuning of AIX/UNIX Kernel.
- Installation and configuration of LPAR’s with AIX 5.3 on p570 servers.
- LPAR planning and virtualization
- Installed and configured VIO server via HMC
- Extensive use of LVM, creating Volume Groups, Logical volumes.
- Helped to establish standards, policies and procedures for all aspects of Unix server environment (e.g., configuration, administration, documentation, etc.)
- Work with DBAs on installation of DB2, restoration and performance tuning.
- Attend team meetings, change control meetings to update installation progress and upcoming changes in environment.
- IBM RS/6000 SP System Software Maintenance, AIX System Dump Generation and sending System Dump to AIX System Support Center.
- Predefined and Customized Volume Group management on AIX
- Generation and sending System Dump to AIX System Support Canter.
- Solving User/Network problems.
- Managing cron jobs, at jobs, batch processing and job scheduling.
- Networking service, performance, and resource monitoring
- Installation and Administration of TIVOLI Service Desk.
- Disk Replacement Strategy on AIX.
- Administration, Installation and maintenance of AIX 5.1, 5.2, 5.3. On pSeries servers.
- System administration including user, system & group management, system updates, performance monitoring, backup/recovery, disk & storage management.
- Responsible for all aspects of AIX System Administration and support for all RS-6000 servers and pSeries servers like p570, p590 etc. which includes OS installation and upgrade, OS problem resolution, application of OS fixes, installation of application software, administration of user accounts, system configuration, troubleshooting, system monitoring, system tuning, security updates, hardware maintenance, disk usage maintenance etc.
- Disk Management including mirroring, unmirroring the disk.
- File systems management including file system corruption checkin maintenance mode.
- Made use of the NIM utilities to push out software maintenance and program fixes to the entire fleet of systems keeping the System software releases current and also applied Microcode/ Firmware upgrade.
- Performance Management & Tuning of AIX UNIX Kernel.
- Installation/administration of AIX, Linux and NT/2000 Servers on a LAN, setting up optimal RAID levels (fault tolerance) for protected data storage in NAS environments.
- Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers.
- Defined and setup network printers, and install client/server applications. Define/setup network protocols, Network File Services (NFS), and Network Information Services (NIS).
- Security, users, groups administration and daily backup and restore operations.
- Network trouble shooting, performance, and resource monitoring.
- Maintaining updated documentation of all the Servers and the installed applications.
Environments:
AIX, SUN, DB2, Java, Netscape Servers, Web logic, HTTP, XML, Jbose Apache, Oracle and Sybase, EMC, SAN
Confidential,CHICAGO Jun 2007 – Dec 2008
AIX Administrator
Responsibilities:
- Responsible for Remote AIX Support With more than 1250 servers .
- Responsible in managing Logical Volume Management (LVM) of AIX.
- Responsible in mirroring and unmirroring the drives, running fsck’s, defrag the filesystems, analyzing the DUMP and sending snap file to IBM support.
- Helped to establish standards, policies and procedures for all aspects of Unix server environment (e.g., configuration, administration, documentation, etc.)
- Specifying and procuring new AIX systems, hardware and software upgrades and peripherals.
- Provided 24x7 support on shift rotation basis.
- Configured IBM p5, RS 6000, for production, staging and test environments.
- Installation and configuration of LPAR’s with AIX 5.3 on p5 servers.
- Extensively used LVM, created VGs, LVs, and disk mirroring.
- Responsible for Installing Security fixes and APAR’s in Servers.
- Installation and upgrade of OpenSSH 4.3p1 on AIX 5.2 and 5.3, OpenSSH 4.1p1 on AIX 5.1 servers.
- Installation and configuration of NIM master server and clients.
- Creating lppsource and SPOT for client on NIM server.
- Installing OS on NIM clients using NIM Server.
- Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on AIX Servers.
- 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.
- Designed and configured Ethernet VLAN’s with RS/6000 IBM Servers, Cisco Routers (2500/2600 series) and Cisco Switches (Catalyst 2912) utilizing RJ45 CAT5 cables for the internal LAN, and a T1 fiber uplink across a Cisco backbone for connection on the WAN.
- Clustered RS/6000 machines on AIX 5.1/5.2 using HACMP, configured HACMP cluster to keep applications running.
- Responsible for maintaining the integrity and security of AIX, Sun/Solaris systems including installation, patching, backup/recovery, maintenance, monitoring and proactive operating system upgrades.
- Provides basic administration of the Solaris operating system and/or specified components such as the addition/deletion of users, printers etc. and understands and is able to maintain basic access rights to files and other system resources, can control and monitor root login.
- Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES products.
- Performing Failovers in HACMP / cluster environment, monitoring servers.
- Setup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
- Backing up AIX servers using mksysb
- Installed and configured Sudo for users to access the root privileges.
- Installed and maintained Rational suites on AIX and Windows.
- Installed application connectivity software to enable IBM print services. Configured and administered firewall rules, including the use of SNORT, NMAP to effectively monitor system files, port security, and network traffic activity coming through the firewall.
- Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, MySQL database, and firewalls in both development and production.
- Developed Korn and Bash shell-scripts to automate routine activities.
- Migrated database applications from Windows 2000 Server to Linux server.
- Wrote shell scripts for automated installations, to extract logs.
Environments: AIX, HACMP, VIO, SUN, Java, Netscape Servers, Apache, Oracle and Sybase, EMC, SAN, DB2, XML, Jbose
Confidential,MT Jan 2005 – May 2007
System Administrator
Responsibilities:
- Installation and maintenance of AIX Systems.
- Administration of AIX Operating Systems.
- System & backup management.
- IBM RS/6000 SP System Software Maintenance AIX System Dump Generation and sending System Dump to AIX System Support Center.
- Installation/administration of AIX, Linux, Solaris, and NT/2000 Servers on a LAN, setting up optimal RAID levels (fault tolerance) for protected data storage in NAS environments. Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers.
- Defined and setup network printers, and install client/server applications. Define/setup network protocols, Network File Services (NFS), and Network Information Services (NIS).
- Install and manage 20 systems for various production and development projects running on Solaris with Oracle.
- Assist in the setup of a Web development environment on AIX platform
- Write C and Perl programs to automate the system administration jobs including installations and maintaining log files.
- Attend weekly change management meeting and suggest various changes.
- Implement all changes by following change management rules.
- Setup and administered training room / Mentored students during training
- AIX systems administration and Disk Management using SMIT.
- Managing cron jobs, batch processing and job scheduling.
- Software installation and maintenance.
- Installation and administration of peripherals.
- Security, users and groups administration.
- Networking service, performance, and resource monitoring
- Daily backup and restore operations.
- Set-up and administration of DNS server.
- Completed a full migration of UNIX Server (Solaris), including all network services, applications from NT 4 to Windows 2000 platform.
- Review Design Documentation confirming to Software Requirements
- Other standard system administration tasks performed, such as system monitoring, performance usage, network support, and user support.
Environments: AIX,TSM, HP-UX, SUN SOLARIS,,LINUX, HACMP, VIO, AMBA, DB2,C++, Java, PORTAL,MQSERIES, SYBASE, SAN, EMC