Systems Administrator Resume Profile
Summary 15 years of experience as Unix systems administrator, database administrator, and network engineer Highly experienced Unix systems administrator/ HPC High Performance Computing cluster engineer. Worked with different flavors of Unix such as Solaris, Linux, FreeBSD, HP-UX, AIX, IRIX Storage and backup administrator of Fibre Channel NAS, hardware and software RAID, backup tape libraries Unix network administrator with extensive knowledge of TCP/IP protocol family Programming experience using C, PL/1, SQL, PL/SQL, Unix shell, awk, perl, matlab. Skills Server hardware: Sun Ultra E250/420R/E450/E4500/ IBM RS6000, AMD/ Intel x86/x86 64 Storage hardware: Panasas, A5200/RaidWeb, Sun Fire X4540, L3500/QualStar 8211 tape libraries Server software: xCAT, SGE Sun Grid Engine , openAFS, pNFS, PanFS, ZFS, Veritas VM, Red Hat Enterprise Linux, Kickstart, RPM, Solstice DiskSuite, Legato Networker, Arkeia , Oracle, SQL, MySQL, BIND, Apache, Squid, MRTG, Apache, Hobbit/Xymon Monitor, OpenLDAP, shell, , awk, samba, rsync Networking: TCP/IP, NFS, NIS, DNS, HTTP, SMTP, SNMP, NTP, LDAP,SSH, Kerberos Microsoft: Windows 2000/XP/Vista/7, MS Office Access/Word/Excel/Outlook/Powerpoint
Professional Experience Confidential HPC engineer Maintained the server infrastructure for HPC High Performance Computing research clusters 8000 cores Administered and maintained storage systems: openAFS Andrew File System - distributed file system and Panasas parallel cluster system in HPC research environment. Performed updates/patching/troubleshooting. Configured and maintained high-speed networks InfiniBand 10 GigE Qlogic, Mellanox. Developed Perl/Sell scripts to improve site security/performance and automate administration tasks. Wrote KickStart Templates/Pre/Post scripts to deploy Linux clusters 1500 servers using xCAT. Performed database administration tasks for MySQL servers: installation, performance optimization, table space reconfiguration, backup and restore, DBI scripting to do resource management and space utilization. Set up monitoring, trending using Hobbit/Xymon, developed custom modules to monitor server environment. Installed and configured web services based on Kerberos secure authentication. Confidential Sr. Systems Administrator/Research Assistant Responsible for administration and maintenance of heterogeneous systems SUN / SGI / PC / MAC , operating systems Solaris / IRIX / Linux / FreeBSD / Windows / MAC , and installed applications. Designed and implemented department's network security policy, improved applications / system performance. Performed system, hardware, and applications upgrades in accordance with projects needs. File Backup, Recovery UNIX/IRIX/Linux servers and for personal computers PC, MAC Developed data mining and data handling tools for magnetic resonance imaging and spectroscopy. Supported and adjusted third party tools for Legacy Environment and Software. Developed CGI Scripts using Perl, PHP, SQL, HTML coding for administration purposes and reports. Managed real-time data acquisition laboratory and audio-visual stimulation laboratory. Installed/Configured/Supported division's network services WWW/LDAP/DHCP/DNS/NIS/NFS/FTP Determined system specifications, input/output processes and working parameters for hardware/software compatibility. Ordered computers/software/hardware in accordance with business requirements. Confidential Sr. UNIX Administrator/Database Administrator Responsible for production/development servers and ORACLE databases of corporate environment Configured and supported logical volumes using Veritas Volume Manager. Created and documented standard methods for regular and emergency system recovery procedures Analyzed requirements for the load balancing, quality of service and bandwidth management. Wrote scripts for performance monitoring and tuning of UNIX Operating systems, ORACLE database, and application software. Prepared recommendations for developers to improve their code. Administered/maintained/patched ORACLE Applications 11.5. Developed packages/procedures/triggers to support application functionality of entire systems, and separate modules. Confidential Sr.UNIX systems administrator/Sr.Oracle DBA Provided 24 7 operation of mission critical applications for the Internet-based investment research system Configured the RAID volumes on Sun A5200 disk arrays with Veritas Volume Manager Designed and implemented the distributed backup network on L3500 tape libraries Performed ORACLE database migration and upgrade. Developed procedure for site multi-master replication. Tuned UNIX Operating systems, ORACLE database, and company's application software Trained System administrators and System support engineers. Confidential UNIX systems administrator Installed and configured modules/packages on the SUN servers working under Solaris and ORACLE Developed ORACLE PL/SQL procedures for diagnostic and control of the application functionality Performed post installation configuration/diagnostic/control in development and production environment Developed and applied UNIX shell, ORACLE SQL scripts to automate installation/configuration process. Confidential Chief Consultant of SWIFT Department Supported and provided BANK end-users and application developers with consulting service. Performed configuration of multi protocol corporate networks to support TCP/IP, DECnet, Windows Installed/upgraded/patched ORACLE7 database and related products on different OS platforms Created procedures and DCL scripts for regular system administrative tasks and security control Performed System/Network administration, performance analysis. Scripts to do benchmark tests.
