W. Ken Rossman has extensive experience as a creative IT professional with expertise in UNIX/Linux environments, networking, hardware architecture, software configuration, performance tuning, and programming. He has skilled in systems administration for Solaris, Linux, Windows, and Mac OS X and possesses strong diagnostic, troubleshooting, and virtualization skills.

1. W. KEN ROSSMAN
44 Brookdale Gardens 973-202-0974
Bloomfield, NJ 07003 Email: wkrossman@gmail.com
SUMMARY
Creative IT professional able to quickly integrate into new and unfamiliar computing environments. Extensive
knowledge of UNIX/Linux environments and networking environments, including LAN, WAN, and SAN
environments. Expert in hardware and software architecture and configuration, comparative benchmarking,
and performance tuning. Intermediate-level programmer in several environments. Skilled in hands-on Solaris,
Linux, Windows, and Mac OS X systems administration. Perl, Unix shell & C programming environments.
Excellent diagnostic and troubleshooting skills. Extensive work in virtual environments, including VMware,
Xen, and VirtualBox.
SKILLS / PROFICIENCIES
Hardware Experience: Dell PowerEdge series servers, HP Intel-based blade servers, HP Proliant
servers, Genband, Sun ‘E’, ‘F’, ‘M’, and ‘T’ series servers, HP and Hitachi
storage server systems.
Operating Environments /
Related Skills:
RedHat (RHEL) Enterprise Linux (RHEL4 through RHEL6, as well as CentOS
variants), Solaris 1.x through Solaris 10, Mac OS X, Windows, Unix kernel and
application debugging and dump analysis skills, performance analysis and
tuning skills, Unix shell scripting (Bash & Perl), C, Apache web server
configuration, DNS, NIS, NFS, general TCP/IP network configuration and
architecture, Xen, KVM and VMware virtual machine configuration and
administration.
Applications and Other
Software Skills:
Systems administration skills on various Unix and Linux platforms, Solaris
Volume Manager, Veritas Volume Manager, Veritas File System, Oracle and
Sybase installation and configuration (Unix environment), Zenoss system
monitoring.
SELECTED ACCOMPLISHMENTS
• Mastered mixed-environment systems integration, networking, and systems intercommunication.
• Linux proficient (RedHat/CentOS and others).
• Expert in various enterprise storage platforms and management software.
• Architected several data center server/storage platform solutions for customers (e.g. high speed cache /
disk array combination for Bloomberg LP for very high throughput and low latency).
• Wrote code to assist customers in deploying Sun solutions in their environment, resulting in faster, more
streamlined deployments.
• Worked with customers in code problem determination, debugging, and re-coding to solve complex problem
issues in a shorter time frame.
• Wrote and maintained numerous system utilities with C, Perl, Bash.
• Designed and wrote sections of online user ID system in C, awk, and Perl.
• Technical “go to” person for Sun SE/SSE community – mentored more than 20 new SE’s, resulting in a
much better trained SE staff in a shorter time-frame.
• Led and facilitated customer benchmark efforts for product comparisons.

2. EXPERIENCE
Linux/Windows Systems Engineer, OMNI Associates Consulting, northern NJ area 06/2014-present
Performed a variety of system installation and maintenance operations at various small business and
other organizational locations around the area, including small LAN installations, Windows debugging
and malware elimination, RedHat Linux and Solaris system maintenance and patching. Clients
included PSEG, Acquire Media, and Johnson & Johnson.
Unix/Linux System Engineer, Citrix|Online, Jersey City, NJ 02/2012-05/2014
Maintenance of virtual machine “dom0” fleet of systems (Dell rack and blade servers), running
XenServer, connected to both local and iSCSI-based storage. P2V migrations of hardware servers to
various VM environments. Maintenance and support for several hundred digital audio conference
bridge servers (Linux), utilizing Puppet for mass system configuration. Troubleshooting of various
audio issues within Citrix Online audio conference bridge equipment, including issues related to
system loading, network loading, system resource management, and analog audio to digital audio
interfacing.
Unix System Engineer, Columbia University, New York City, NY 04/2011-10/2011
Migration of applications from older Sun/Solaris hardware over to HP blade environment running
RedHat Linux (RHEL4, 5, and 6. P2V migrations of hardware servers to VMware environment
running on ESX V4.1 servers (HP Proliant hardware. Retirement of older systems, including full DoD-
compliant disk data erasure prior to hardware retirement.
Systems Engineer, Technology Services LLC, North Jersey area 06/2010-03/2011
Design, implementation, and ongoing administration of various unix/Linux servers at various
locations, including Wall Street Systems, Carlstadt, NJ (working with Sun M-class machines,
specifically on disk data recovery after a crash, rebuilding SVM mirrors in some cases), and
Middlesex Community College, Lowell, MA (Solaris 10 upgrades and patching). Systems
Administration duties at Barnes & Noble College Booksellers, Basking Ridge, NJ. Managed Solaris
deployment and Solaris tools deployment on approximately 40 Sun/Solaris servers (T1000 and
T2000 class systems, V-series systems). Worked extensively in configuring and tuning several
Solaris 10 zones on each system. Worked with BNCB staff to locate and close system security
issues across all installed applications and within the operating system. Utilized VMware and Oracle
VirtualBox virtual machines for the purpose of testing script tools in a prototype Solaris environment
prior to deployment in production.
Systems Engineer, PureIntegration, Herndon, VA 04/2010-05/2010
Built and configured RedHat 4.8 servers, performed security hardening on RedHat servers, then
deployed, configured, and tested server systems automation packages for client Time-Warner Cable,
in Herndon, VA. Project cut short due to unrecoverable problems with automation software deployed.
Systems Engineer, Syncsort, Inc, Woodcliff Lake, NJ 04/2006-
08/2009
Provided telephone-based technical support for Syncsort’s Backup Express software package in
medium to large-scale customer environments, involving complex networking environments and a
wide variety of system types. Systems supported by Backup Express include Windows (2000-2008),
XP, Vista, Linux (all versions supported), Solaris, HP/UX, AIX, Novell OES Linux and Netware; block-
level backups to Network Appliance filers. Worked with VMware extensively to build prototype test
environments to assist in customer problem resolution as well as for in-house software utility testing,
utilizing VMware virtual machines running both on Windows XP host and hosted on ESX machines.

3. Systems Administrator / Programmer, AT&T Research Labs, Florham Park,
NJ
08/2005-03/2006
Predominantly provided Solaris, Linux, Unix, and Windows systems administration support, including
systems monitoring, performance analysis and tuning, backup and restore, emergency disaster
recovery. Performed general systems administration and backup work on Sun E-series servers,
including high-end Sun E10000 and HP Superdome servers. Performed local in-house server work
on-site at Florham Park, NJ facility, and DR work on-site at DR facility in Mesa, AZ.
Systems Administrator, Pearson Education, Old Tappan, NJ 03/2004-01/2005
Provided Solaris, Linux, and AIX systems administration support, including systems monitoring,
performance analysis and tuning, backup and restore. Performed general systems administration
and backup work on Sun E-series servers and some IBM servers running either RedHat Linux or AIX,
with backups going to IBM Tivoli Storage Manager (TSM) archive system.
Systems Administrator / Programmer, Epoch Microelectronics, Hawthorne,
NY
09/2003-02/2004
Worked to rectify systems state after system failures involving disk data loss, set up / restored SVM
software disk mirrors and RAID5 on Sun E450 system, and on HP hardware running RedHat Linux
(via mdadm). Designed and implemented new backup procedures via original scripts, standard Unix
backup tools (e.g. ufsdump/ufsrestore) and DLT tape.
Systems Engineer / Technical Account Manager, Sun Microsystems, New
York, NY
12/1991-11/2002
Managed all aspects of technical pre/post-sales account coverage, including In-depth knowledge of
customer technical needs. Expertise in locating and providing technical solutions for
customer. Crafting software solutions for non-standard customer requirements (shell and
Perl scripting, C/C++ coding). Crafted hardware solutions for unusual data requirements
(custom storage+cache combination for Bloomberg LP). Conducted systems performance
analysis tests and made tuning recommendations. Trained extensively in Sun Fire (Fx800),
Starfire (E10000) and Starcat (F15000) platforms, as well as in many Sun midrange
platforms, including 280R, V480, V880, and earlier platforms. Extensive hands-on experience with all
Sun server platforms, in both hardware configuration and systems administration, as well as in-depth
troubleshooting. Problem analysis and problem resolution in Solaris and Linux environments. Wrote
script code to adapt Sun pre-release software to customer’s current operational environment. Led
benchmark effort for customer Bloomberg LP. Mentored more than 20 new systems engineers /
TAMs. Managed systems engineering lab at Sun Microsystems, including systems backups and
disaster recovery, hardware fault isolation and remedy, and performance analysis and tuning.
Systems Programmer/Systems Manager, Columbia University, New York, NY 05/1980-12/1991
Managed several Sun/Solaris multi-user server systems, VAX/Ultrix system, and four DEC TOPS-20
systems, serving student and faculty population of several thousand users. Wrote numerous systems
and applications programs in C, Perl, and shell scripts for several different UNIX environments,
including data manipulation applications and routines, student information retrieval applications,
graphics manipulation applications, and portions of the student ID management system. Led several
new DEC and Sun systems installations, resulting in much improved service to student and faculty
user community. Led several network architecture and installation teams, resulting in significant
network performance improvement.
EDUCATION
Bachelors of Science, Computer Science, Columbia University School of Engineering and Applied

4. Science, New York, NY