Customer Service Engineer

W illiam J. Lorenzo

***** **** ****** ****** ******** Springs Colorado

*********@*****.*** 719-***-****

SEN IOR SYSTEMS ADM I N ISTRATOR b ringing more than 10 years of system and network

administration experience from a local In ternet Service Provider and numerous

Department of Defense test, exercise, t raining, and operational networking systems. 10

years of continual progression in Solaris administration, 8 years of Linux administration,

and 5 years inclusive M icrosoft product and technology expertise. Intimate knowledge of

DoD Information Assurance and industry standard network security practices.

Current CISSP and Security+ certifications and an active DoD Top Secret/SSBI clearance.

P ROFESSIONAL E XPERIENCE Cobham

MDA, Schriever AFB, Colorado

June 2008 to Present

Provides comprehensive server, desktop, and network administration for the M issile

Defense Agency Wargames and Exercises Support Center. Top-t ier server and desktop

management of Windows and Unix/Linux Operating Systems providing installation,

i ntegration, sustainment, and t roubleshooting of t raining, exercise, and demonstration

network systems. Provides expert technical consultation to leadership regarding

replacements, upgrades, and capability additions to existing and legacy CoTS and GoTS

hardware and software. Engineers domain network resource/server architectures, storage

solutions, and backup management systems supporting multiple wargame, exercise,

demonstration, testing, and t raining events.

Engineered and implemented network-critical services as Lead

A dministrator for HBSS ePO, McAfee Anti-Vi rus server, Linux Satellite

Server, D HCP, DNS, LDAP, TACACS+, and SysLog.

Engineered Windows Deployment System for image capture and PXE

deployment for faster laboratory reconfigurations, saving multiple

i ntegration days.

Received a letter of appreciation from General O’Reilly, Di rector of MDA, for

supporting an off-schedule foreign V IP visit to the M D IOC.

Assistant Crew Lead managing seven system administrators in the MDA Enterprise Top-

Tier Customer Service Administration organization. Prepared and briefed metrics to upper

management and government customers on enterprise server performance and customer

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service t rouble tickets. Represented CSA organization at various engineering and

configuration control boards. Served as the in-house subject matter expert on UN IX

administration and Windows deployment services.

Supported Storage Area Network upgrade to an industry-standard E MC

solution over a Cisco Fibre Channel backbone.

Chosen to engineer the MDA Enterprise T rusted Solaris solution for a Multi-

Level Security Special Access Program Wide Area Network (SAPWAN).

Lead the software upgrade test and migration of Enterprise network hosts

f rom M icrosoft Office 2003 to Office 2007 with no impact to the user.

I ntegrated I T I L principles into existing organizational policies and

p rocedures.

Provided Unix server, Windows server, and Linux desktop senior-level administration and

management for the MDA Enterprise unclassified and classified networks. Fully

responsible for Solaris and IRIX server administration for the US Central Region.

Responsible for Windows SMS/SCCM server administration, patch and upgrade

management, remediation package development, and package deployment. Took over

management of Oracle and MSSQL databases to improve efficiency and rectify system

crash issues. Installed and integrated the first McAfee ePO HBSS system for the

enterprise. Assisted with Group Policy development and deployment strategies.

Engineered and implemented the M DA Enterprise Unclassified and

C lassified Network server upgrade of SMS 2003 to SCCM 2007.

Improved MDA Enterprise network D ISA IAVA compliance from 89% to 98%

i n six weeks.

PC I Broadband

Colorado Springs, Colorado

October 1999 to June 2008

Provided every facet of engineering and administration support for all devices in the 24x7

I SP network and managed ten network administrators and help desk technicians. Sole

network engineer administering the ISP network including BGP routing to the In ternet.

E ngineered, implemented, and managed the ISP’s fi rst Business VoIP solution. Purchased

and integrated all new technologies and replacement devices. Liaised with vendors and

business customers.

W illiam J. Lorenzo, Page 3 4

Accomplished promotion to Lead UN IX Administrator from Help Desk phone

t echnician in less than one calendar year.

Developed and maintained business web site.

Managed ISP-hosted more than 550 DNS domains.

Managed email (including anti-spam and anti-vi rus) for 10,000 commercial

a nd 25,000 residential customers.

Developed proprietary tools for consolidating and related customer

i nformation in order to provide more comprehensive service to customers at

a ll interaction levels.

Maintained 99.99998% uptime over 8 years of 24x7x365 service to 35,000

customers.

US Army

Ft. Carson, Colorado

June 1995 to June 1999

Intelligence Analyst for the 10th Special Forces Group. Prepared all-source intelligence

p roducts to support the combat commander. Assisted in establishing and maintaining

systematic, cross-referenced intelligence records and files. Assisted in integrating incoming

i nformation with current intelligence holdings and prepared and maintained the situation

map. Assisted in the analysis and evaluation of intelligence holdings to determine changes

i n enemy capabilities, vulnerabilities, and probable courses of action. Assisted in the

p reparation of Order of Battle records and drafted periodic and special intelligence reports,

p lans, and briefings. Analyzed current intelligence holdings to identify gaps, and

subsequent intelligence collection requirements. Assembled and proofread intelligence

reports for both internal and external publishing.

CERT IF ICAT IONS A ND EDUCAT ION

(ISC)2 C ISSP (Certified Information Systems Security Professional)

CompTIA Security +

Certified Internet Webmaster ( CIW) v5 Foundations

actively pursuing

W illiam J. Lorenzo, Page 4 4

Bachelor of Science – I nformation Technology

Western Governors University

Expected Graduation: May 2012

PROF IC IENC IES

Hardware

Sun SPARC/x86, SGI M IPS, HP/Compaq/Dell x86 Servers and Desktop systems, Apple

Xserve, Cisco routers and switches

Programming Languages

Shell (Korn/Bourne/C), Perl, sed, awk, C, C++, Dtrace, Java, PHP, VBS, Batch, K iX, SQL

Operating Systems

Solaris 2.6-10, Linux, Windows Server 2000-2008, XP, Vista, Mac OS X, SGI IRIX, Cisco

I OS, CatOS

Software

Apache, I IS, Sendmail, Postfix, CDE/JDS, N IS+, Sun Grid Engine, Java Enterprise System

(Solaris Cluster), SMS/SCCM, WSUS, MSSQL, Oracle 10g, MySQL, PostgreSQL, Active

D irectory, Directory Services, LDAP, Java System Directory Server, Cit r ix 4.5, DESIM,

iSIM, TDACS, DISA SCRI, DISA Gold Disk, DISA SRR, ePO, HBSS, Retina, SNORT,

Nessus, Group Policy, DHCP, DNS (Windows/Bind4,8&9), Radius, TACACS+, Remedy, HP

Openview

- R EFERENCES AVAILABLE U PON R EQUEST -

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