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 AdministratorResponsibilities:
- 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.