Manager Software

Paul Plonsky

email: ***********@**********.***

voice: 781-***-****

Summary of Qualifications:

. Senior level Information Technology professional

with a strong background in Solaris/Linux/MS-Windows system

administration, application development, databases, networking, and

staff/project management. Experience managing system environments of more

than 500 users. Experience with configuration management and hardening of

operating systems. Ability to work in a high volume, high-availability,

high-transaction environment.

Work History:

Linux Admin - contractor

Harvard Univ School of Public Health

June 2010 - August 2010

. Helped to migrate Dell Cluster from RH 4.5 to CentOS 5.4, and upgrade

headnode. Upgraded Dell firmware on blades and enclosures such as the

MD3000 and MD1000. Helped maintain Platform's LSF scheduler running on

Dell cluster. Installed MATLAB, Mathematica, SPlus, R, SAS, VNI, Intel

compilers. Set up license managers. Worked with scientists to resolve

issues, eg installed optional OS libraries and wrote matlab script to

automatically install lsf configuration file. Installed Sun's Virtual Box

to run OpenSolaris and MS-Windows. Temporary assignment.

Linux Admin - contractor

RAMP (formerly Podzinger)

April 2010

. Installed/patched Dell servers with CentOS using kickstart. Wrote bash

scripts to move data between servers. Configure/make/install open-source

software. Setup named daemon logging. Debug Samba and nfs problems.

Installed XP and Vista on laptop and debug Outlook issues. Documented

data center layout. Temporary assignment to help with staff transition.

Linux/Network Admin - employee

Cashstar

September 2009 to January 2010

. Administered RedHat EL5, Ubuntu, CentOS-based servers both in-house and

in remote data centers. Responsible for moving network and servers to new

offices. Responsible for 3Com OfficeConnect firewall, Thecus Linux-based

server, Linksys switches, Linksys wireless access points. Worked with

vendors to setup and maintain voip using Edgemarc 4500. Resolved network

issues using wireshark and nmap. Maintain MS-Windows and MAC

workstations. Evaluated Linux server performance and made

recommendations. Evaluated MySQL performance and made recommendations.

Setup MySQL replication. Debugged MySQL problems such as slow queries.

Responsible for computer security such as maintaining iptables, set up

auditing, maintain VPN and IPSec. Configured servers to meet HomeDepot

server security requirements following CIS and NSA security

recommendations. Setup MRTG/SNMP for server monitoring. Helped Tomcat

programmers debug communication issues between Cashstar and other

communication services. Setup Samba for single-signon. Setup and maintain

various software services such as SSH, DHCP, DNS, ftps, sendmail, and web

services using Apache/nginx. Wrote perl and shell scripts to monitor

server activity. Cashstar is a startup that needed an experienced admin

to take responsibility for moving to new offices and expand the IT system

to meet business needs, especially during the past holiday season.

Unfortunately when business slowed after the holiday season, I was laid

off with several others.

Linux/Solaris Admin - contractor

Biogenidec

October 2008 to July 2009

. Setup RedHat EL5 and Solaris-based servers including high-availability

cluster using RH EL5 and Apache/mod_jk2/jboss open-source software. Debug

MacOSX problems. Setup RAID using Sun Volume Manager. Monitor PSSC

Beowulf cluster. Update OS using yum/up2date/rpm or pca/patchadd.

Restrict access using PAM. Setup RedHat lvm. Monitor using ganglia and

nagios. Optimized Java startup scripts. Debug Torque/PBS cluster issues.

Assist Oracle DBA with setup. Debug system and network problems involving

NIS, DNS, NFS. Install and maintain science-oriented software such as

Schrodinger, CHARMM, Moe. Configure/make/compile open source software

such as the statistical program R, clustalw, Accelrys GCG. Write

ksh/bash/csh scripts. Debug perl, python, c language programs. Work

closely with scientists to meet their needs. A sense of humor. Originally

hired to replace a system admin who never left, kept on to migrate

Solaris-based projects to RedHat and support scientific software.

Linux Admin - contractor

Childrens Hospital in Boston

July 2008 to October 2008

. Maintained CentOS/VMware OS running on HP blades. Setup application and

database software: Tomcat, Glassfish, JBoss, Oracle 10g, Apache.

Scrum/agile environment. Debugged system and network issues. Wrote

scripts to encrypt data using pgp. Setup secure communications using ssh.

Configured ipfilter firewall.

Solaris Admin - contractor

Citizens Bank

April 2008 to July 2008

. Harden Solaris 10 according to CIS and Citizens standards, then installed

using JumpStart/wanboot. Used Solaris Jazz security module. Tested and

documented Solaris 10 compatibility with software used by Citizens - CA

agent, Netcool/SSM, Legato, Centrify, etc. Setup Solaris IP multipathing.

Configured security auditing. Setup Veritas clustering. Setup LDOMS on

T2000 and T5220. Setup containers/zones on various sparc-based high-end

servers for test environments. Installed server patches.

Solaris/Linux Admin - contractor

Whitehead Institute

Jan 2008 to March 2008

. Installed Solaris 8 and 10. Installed EMC PowerPath and Navisphere under

Solaris 10. Installed Qlogic fibre channel HBAs in Sun servers and

configured Sun Leadville drivers for attaching LUN's from EMC Clariion.

Configured ssh tunnels to establish secure telnet connections.

Troubleshoot Sun Cluster setup. Helped Oracle DBA setup Oracle 10g RAC on

Sun servers. Wrote scripts to automate startup and shutdown. Setup

Solaris Jumpstart. Setup printing service including CUPS under Solaris

10. Setup open-source CMS on Suse 10.

Solaris/Linux Admin - contractor

Pioneer Financial, Inc.

March 2007 to Dec 2007

. Setup single-signon from Solaris using passwords from Microsoft Active

Directory server. Installed Solaris 10 on Sun and Fujitsu hardware using

Jumpstart. Used Sun Volume Manager to setup RAID. Setup ZFS and Veritas

file systems. Resolved performance issues. Debugged/enhanced shell

scripts, Perl, and c++ programs. Debugged Sybase performance issues.

Worked with Documentum and Tibco teams to install software. Debugged

DataStage/DataDirect odbc problems. Part of team resolving issues

involving multipathing to HP and EMC SANs from Solaris.

Unix/Linux Admin - contractor

SsgA (State Street), Inc.

Aug 2006 to Jan 2007

. Wrote Perl/DBI-mySql programs to analyze file security and patch levels

on hundreds of Solaris/Red Hat Linux servers. Enhanced internal SsgA web

site to show security data. Helped to resolve misc system issues,

including email routing using sendmail.

Unix/Linux/MS-Windows System Admin - contractor

Kenet, Inc.

July 2005 to Aug 2006

. System admin for network of Sun Solaris, Red Hat EL3 Linux servers, MS-

Windows 2000/XP workstations, Cisco Catalyst router and PIX firewall, and

Netgear GigaEthernet switches. Responsible for all aspects of operation

including purchases. Debug and modify Unix/Linux scripts, and

troubleshoot 3rd party applications such as Cadence software (computer

chip design). Maintained Netapp F87 and Linux-based disk arrays

supporting over 2.5 Tb of storage. Setup kickstart to install Linux.

Setup NFS, NIS, DNS, NTP, DHCP, XWindows-based software such as CDE,

Hummingbird, Cygwin/X, Citrix, VNC, Samba, and SGE. Maintain bugzilla and

subversion source code control repository.

. Responsible for maintaining Avaya phone system. On call 24x365.

IT contractor to other companies between 2002 and 2005:

Segue, Inc.

Allusive Information Systems

SavaJe Technologies

bioinformatics.org

Neighborhood Business Builders

Massachusetts Institute of Technology (MIT)

. Wrote web applications using Perl module HTML:Mason, HTML, Javascript.

Setup/maintained Apache application server with mod_perl and mySQl

database software. Wrote simple Perl-based purchase order program that

ran under WindowsXP using ActivePerl interpreter, and Win32::GUI module.

. Wrote Perl scripts to download and display Amazon.com book data using

Amazon API. Used HTML::Mason, XML::Parser modules. Added features to

bioinformatics.og web site using PHP, mySQL, PostgreSQL. Created demo e-

commerce web sites using ShopSite and Yahoo web development software.

. Installed RedHat EL3 on IBM xSeries server, including updating bios,

firmware, and drivers. Installed RedHat Fedora software and NPACI Rocks

cluster software which is based on RedHat Enterprise version 3. Setup

Kerberos and ssh on Solaris workstations.

Unix/Linux Admin/Manager - employee

Cardinal Health

Jan 1990 to Jan 2002

. Architect and implemented a Unix/Linux-based computer cluster to attain

business goal of a fast, flexible system for the exchange of data between

Cardinal and its customers. Cluster received orders from over 3500

customers - an average of 50 million dollars of orders every weeknight.

. Installed Sun Solaris 8, RedHat Linux, NCR System V 3.2, and MS-Windows

2000. Compiled Red Hat v7 kernel. Used Veritas Volume Manager to

configure RAID 0+1 and RAID 5. Performed capacity planning and

performance tuning of Unix/Linux systems.

. Setup internal web sites using Apache 1.3x software. Wrote CGI scripts

using Perl. Wrote documentation for Cardinal developers. Wrote EDI

guidelines for customers. Responsible for web site operation and

security.

. Wrote software to exchange data with customers using ANSI X12 EDI file

formats 850, 855, 810, 832, and implement ANSI Clear communication

protocol. Used Korn or Perl for prototyping, c or c++ for production.

. Setup/maintain SynOptic hubs for departmental communications.

Cleo/Interface BSC and 3270 emulation software. Installed software for

X.25 communications. Modems. Terminal servers. Setup Sunscreen firewall.

. Installed NetVault backup software and Overland Data DLT tape library for

backups.

. Responsible for hiring permanent and temporary programmers, and trained

new staff and helpdesk personnel.

. Responsible for Unix/Linux operations on 24x365 basis. Always on call.

. Developed Cardinal's order entry PC-based software for use by customers.

Summary of OS experience:

System Administration: 20 years Unix/Linux/MS-Windows experience.

. 12+ Years Sun Solaris vers 2.6, 7, 8, 9, 10 on Sparc-based servers.

. 10+ Years Linux - RedHat Linux 7, 8, 9, Fedora, EL4, EL5. Debian, Suse,

Scientific Linux, CentOS, Ubantu

. 5+ Years NCR System V MP-RAS ver 3.2 high-availability OS.

. 12+ Years MS-Windows 3.1, 98, 2000, XP, Vista

Programming:

. 10+ Years - c language programming using Sun Forte, Sun Studio, NCR

metaware, Intel, and gcc compilers. Unix/Linux Korn/Bourne/bash

scripting.

. 2+ Years - c++ programming using STL and RogueWave Tools.h++. Source

code control using SCCS, CVS, Subversion.

. 9+ Years - Scripting: Perl, Tcl/Tk, Expect. Wrote Perl scripts to

exchange data with mySQL databases using mod_dbi and mod_dbd. Web

scripting: HTML, DHTML, CSS

Education:

. BA from State University of New York at Plattsburgh

Patents:

. Co-inventor of patent application "System for Automated Processing of

Health Care Customer Purchase Orders".

Certifications:

. Brainbench Assessment: Advanced (Master)

Scored top 7% Unix Administration (Solaris) May 2005

. ATT Unix System Administration Sept 1991

. Medical Laboratory Technician by ASCP

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