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Lead System Administrator Resume

San Diego, CA

SUMMARY

  • Extensive experience with UNIX/Linux/VMware and SAN storage.
  • Good with Windows and networking.
  • Strong technical and people skills.
  • Seeking a job in San Diego area or can telecommute.
EXPERIENCE

5/07-9/12 Confidential, Waltham, MA (Worked Remotely From San Diego since 2010)

Confidential, is a leading analytics provider for the healthcare industry.

Lead System Administrator

  • In charge of Marlborough datacenter infrastructure supporting data warehousing operations.
  • Managed 10 IBM P-series enterprise frames up to 32 CPUs per frame. Frames were partitioned to 20 LPAR servers all running IBM AIX.
  • Administrated 10 Redhat Linux servers on HP C-series blades and VMware.
  • Managed 2 EMC Symmetrix/DMX and 5 EMC Clariion storage systems with 350 TB of total space, and 6 Brocade SAN switches.
  • Managed Netbackup system with 10 media servers on fibre and set up Oracle RMAN backup /restore procedures.
  • System automation and performance monitoring using ECC, SNIPS and shell scripts.
  • Oracle/ASM performance trouble-shooting and operating system tuning.
  • Assigned UNIX tasks and mentored junior staff.

1/07-5/07 Confidential, Burlington, MA
Confidential, Securities Processing provides real-time, Web-enabled clearance and settlement, accounting, reporting and operations workflow solutions for broker/dealers and banks.
Senior UNIX System Administrator

  • Support enterprise Solaris, HPUX and AIX servers running mission-critical financial market applications.
  • Heavy performance trouble-shooting and system tuning for Oracle, Mysql and WebLogic.
  • Built new VMware ESX/Solaris X86 production platform.
  • Daily UNIX operations and monitoring.
  • Lead role in UNIX infrastructure architecting and HA, DR solution planning.
  • Mentoring junior UNIX staff.

5/01-1/07 Confidential, Boston, MA
Confidential, provides peril modeling and data services to the top insurance companies in the world.
Senior System Administrator/UNIX Lead

  • Lead role in designing, building and managing corporate UNIX infrastructure that includes,
  • Production Oracle RAC servers and database development servers running RedHat Enterprise Linux on 64-bit Itanium hardware.
  • High Performance Computing (HPC) Linux cluster with over 100 CPUs.
  • Research UNIX farm made of IRIX, Solaris and Linux servers with NAS storage.
  • Built and managed 30-node Windows 2003 and 2000 shared server farm with Symantec Ghost and ActiveBatch.
  • Hands-on administration of Brocade, DotHill, EMC and Promise fibre SAN and Netapp NAS server.
  • Set up and monitor SurfControl anti-spam mail proxies.
  • Take part in network building, monitoring and trouble-shooting using MRTG, NetIQ, tcpdump, Network Observer, EtherReal, HostMon on Cisco, F5, NetScreen, Resilience, SmoothWall, and Net Continuum switches, firewalls and VPN devices.
  • Assist with Windows production, Active Directory and XP desktop administration.

4/99-4/01 Confidential, Westborough, MA
Confidential, is a SAN equipment company, now part of Brocade Corporation.
System Administrator

  • As the only system administrator, provided IS/IT support to 30 staff members at company's MA development center.
  • Performed day-to-day system administration on over 100 UNIX servers and workstations, which include Sun, Linux, HP, Digital, IBM, SCO and SGI machines.
  • Managed DNS, DHCP, Legato & Amanda backups, Network Appliance file server and SAMBA.
  • Provided desktop PC hardware and OS support for all the staffs. .
  • Extensive CGI scripting with shell scripts and PERL.

3/97-3/99 Confidential, Norwood, MA
Company provides turnkey calling card solutions to major telephony companies.
UNIX System Administrator

  • Managed UNIX infrastructure for the software development and testing team.
  • Monitored system performance, trouble-shoot problems and tuned kernel parameters.
  • Managed TCP/IP Ethernet local network. Setup NIS and NFS on all servers.
  • Server OSes include AIX 3, AIX 4, Solaris 2, HPUX 9/10 and SCO UNIX.
  • Configured telephony resources of the development environment.

5/95-2/97 Confidential, Lexington, MA
Company develops UNIX software engineering tools.
System Administrator

  • Mainly responsible for Solaris, Sun OS, HPUX and Windows NT system administration, network administration and custom installation of the company products.
  • Worked on Clearcase and daily software build as a member of the integration team.

6/94-1/95 Confidential, Boston, MA
Internship Software Engineer

  • Single-handedly implemented a DSP (Digital Signal Processor) embedded image-processing application, which uses real-time machine vision techniques.
  • Used Borland C++ for Windows, C for TI DSP and DSP assembly.
  • Improved the performance 60 times comparing to the previous non-embedded solution.
EDUCATION

Master of Science, Electrical Engineering

Courses focused on computer system engineering, networking, and software engineering.

Master of Science, Physics

Bachelor of Science, Physics

Languages: English, Chinese, Mandarin

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