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Linux System Administrator Resume

PROFESSIONAL SUMMARY:

  • IT System Administrator with extensive experience in Unix System Administration, Backup/Recovery and High Performance Computing, technology on various systems including Linux, AIX, Sun, and High Performance Systems, in large scale, 24/7 environment.
  • Skilled with Red Hat and Suse, Tivoli Storage Manager, TDP and TSM Storage Agent.
  • Upgraded major system from Tivoli 5.5 to 6.3.4 Proficient with SMIT, LVM, Mirroring, Power Path, job scheduling, ILOM, ALOM, IMM and ASU technology; documenting standards and procedures, scripting (Perl and Korn), Oracle, DB2 and San. Senior experience in Security, Change Control and System Admin Departments. ITIL certified.
  • Many years of experience in HPC and Supercomputing from Cray II to the latest technology.

TECHNICAL SKILLS:

Operating Systems: RedHat Linux, Suse Linux, IBM AIX 7.1, 6.1, 5.3. Sun Solaris, HP UX, Windows

IBM RS/6000, P: Series, Power 7 and 8, HMC, Cray II, Compaq Alpha, HP 9000, Dell High Performance Cluster, Intel Adams Pass, Sun

Networking: TCP/IP, Infiniband, Omnipath, Mellanox, NIM, NFS, NIS, DNS, Apache and Tomcat Server

Languages: Java, C, C++, UNIX Shell Programming (Korn), Pearl, Python

Oracle 9i/8i, IBM DB2, MS: SQL Server, Informix

Tools: Netbackup, TSM, VmWare, Service Now, XCAT, Nagios, Bugzilla, GPFS, LVM, NIM, HMC, LDAP, RPMs and Yast.

PROFESSIONAL EXPERIENCE:

Confidential

Linux System Administrator

Responsibilities:

  • Built Aix, and Linux systems, using PowerVC, VIOs and HMC.
  • Built and supported Oracle Rac systems.
  • Created and Cloned Aix and Linux Lpars thru HMC, PowerVC and VIO servers
  • Prepared, installed and configured Oracle Rac Servers
  • I nstalled and configured VIO servers and interconnected them with LPARS
  • Supported Red Hat and Suse Linux Servers on Vmware and Power8
  • Patched servers for security vulnerabilities on a regular basis
  • Created and allocated Luns on San and created zoning on San switches

Environment: Aix, Red Hat and Suse Linux, Power8, HMC, VIO, San, switches, PowerVC, VMware

Confidential, Raleigh, NC

Linux System Administrator

Responsibilities:

  • High performance cluster administration, with VMware creating virtual machines
  • Analyzed and resolve customer login and command line issues
  • Analyzed results of server monitoring and implement changes to improve performance, processing and utilization.
  • Managed space usage, and assist with user access
  • Provided break/fix support, setup/installation support, escalation support, and solutions support.
  • Documented systems and procedures in Confluence and OneNote.
  • Understanding and utilization of common network protocols like DHCP, DNS, SMTP, HTTP

Environment: VMware, Red Hat and Suse Linux, Linux View, LSF, Exceed on Demand, Service Now, Clearcase, MatLab, Python, Puppet

Confidential, Raleigh, NC

Linux System Administrator

Responsibilities:

  • Built High Performance Computer Cluster Systems from bare metal components
  • Set up Networks, cards, cabling, switches along with systems using Red Hat and SLES Linux
  • Configured Systems and Networks, Routing, IMM, ASU etc.
  • Tested High Performance Hardware and Software
  • Reported and tracked defects in Bugzilla
  • Interfaced with vendors to resolve problems and implement solutions

Confidential, Raleigh, NC

System Administrator

Responsibilities:

  • Upgraded/converted major system from Tivoli 5.5 to 6.3.4
  • Built Red Hat Enterprise Linux servers
  • Used rescue disks to rebuild servers
  • Documented processes for full team and trained other team members
  • Administered Backup and Recovery servers with TSM and Netbackup
  • Created change control documents for team processes
  • Led patching effort for patching team
  • Built Linux servers, worked with RPM, Networking, and HMCs

Confidential, Plantation, FL

System Administrator

Responsibilities:

  • Tested, submitted PBS jobs, built and configured High Performance systems, ran cable, transferred data, installed SLES Linux, and software tools, used samba, Nagios, San, Infiniband and Myranet.
  • Administered Dell High Performance Computing cluster running Suse Linux
  • Used Scali, Yast, Myranet switches, Brocade, SFTP, NIS, NFS, and Samba.
  • Ran simulations, trouble shooted hardware and software issues.
  • Interfaced and allocated space with EMC SAN.
  • Transferred petabytes of data between clusters and re - configured servers.
  • Wrote and debugged scripts, interfaced with PBS job submission software

Confidential, Ft Myers, FL

AIX Administrator

Responsibilities:

  • Upgraded P-series Nim server, from AIX 5.2 to AIX 5.3 using Suma.
  • Created NFS mounted file systems and worked with LPARs.
  • Successfully implemented project to upgrade large TSM system.
  • Set up new network switches and reran fiber for TSM system.
  • Converted Commvault backups into TSM

Confidential, Miami, FL

AIX Administrator

Responsibilities:

  • Configured printers, scripts, installed, configured, registered TSM clients
  • Configured NIS, created LPARS, Samba and NFS mounted file systems
  • Set up back up procedures and maintained Crontab schedules.
  • Configured Xwindows workstations.
  • Configured and added additional hard drives to servers.
  • Recovered servers, upgraded firmware, o/s, documented systems
  • Trained other technicians; also worked with San, Linux, and Cisco.

Confidential, Greenville, SC

AIX Security Administrator

Responsibilities:

  • Set up UNIX accounts, in an enterprise environment
  • Created database accounts and roles, performed db security.
  • Created NIS systems and analyzed security procedures.
  • Created File Net accounts and resolved access/security issues.
  • Set up users and systems on LDAP, configured systems with MQ.
  • Worked with Checkpoint and Pix firewalls.

Confidential, Jacksonville, FL

UNIX System Administrator

Responsibilities:

  • Supported IBM AIX and HP UX in a software development environment.
  • Setup/configured Tomcat/Apache internet servers and NFS mounted drives.
  • Set up Samba volumes.
  • Installed and configured Oracle, created data bases
  • Wrote scripts to create and populate tables
  • Integrated data bases with software packages, installed/configured Informix
  • Wrote C programs and created make files and version control systems.

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