DENNIS LITTLE
*** ******* ** ********, ** *****
804-***-**** ******.******@***********.***
Customer-facing Systems Engineer: Linux & Windows / VoIP / VMware / Networks
Results-driven technology professional with more than 9 years of experience expertly designing and
implementing technological initiatives that practically impact diverse environments. Dynamic
visionary with a gift for communicating and translating technology applications and ROI potential to
staff, management, and clients, cultivating and maintaining key relationships, and skillfully driving
new business development. Reputable for building, leading, and motivating high-performing teams
and consistently achieving and exceeding company objectives.
Asterisk VoIP VMware Virtualization Systems Engineer Solution Sales / Development
Business Process Improvement Operational Management Client/Vendor Relationship Management
Ubuntu / CentOS / Red Hat Linux W indows Server 2003 Team Building/Motivation Mentoring
PROFESSIONAL EXPERIENCE
ROYALL & COMPANY, Richmond, Virginia 2008-2008
Leading targeted college recruitment services provider -- engaging 5M+ students for over 200 public
& private institutions in 40 states and Canada; annually process 300M emails & 30M postal mailings.
IT Systems Administrator
Manage all aspects of distributed Zenoss / Cacti / Nagios SNMP systems monitoring and trending,
ntbackup / NetBackup for over 150 Windows and Linux web, database, file servers and network.
Create, document, implement and train colleagues on improved IT procedures. Specify, build and
train personnel on management & deployment of VMware Server / VI / ESXi deployments. Test,
recommend and integrate hardware to support intensive enterprise data collection and processing.
Directly support customers with secured data exchange; represent IT department for improvement of
secure data exchange. Secure, diagnose & troubleshoot Lin/Win Ethernet and fiber optic networks.
Directly supported successful 6-hour migration of monitoring and support systems for entire data
center (1TB data, 250 client domains) from Dulles, Va to Richmond, Va.
Successfully migrated 20 Linux servers to BackupPC bare-metal backup solution, saving more
than $9,000 on Veritas NetBackup licensing.
Introduced VDI to support remote teleworkers, saving $19k in capital expenditures annually.
Led adoption of centralized & secured credentials exchange between IT department employees,
insuring accessibility and security of shared systems.
Reduced backup window & performance impact on MS SQL database servers by 75% through
RAID hardware tuning and improved data processing.
POTENTIAL ENERGY TRADING, LLC, Richmond, Virginia 2007-Current
Hedge fund managing $20M of energy commodities.
Systems Engineer
Direct, with full accountability, all aspects of IT systems including servers, workstations, phone
system, and network. Create and implement improved business operations. Lead infrastructure
management to support commodities fund through automated analysis of emerging energy markets.
Design systems and process for intensive data collection and calculations, developing unique market
intelligence. Support international workforce. Monitor and resolve systems and security issues.
Propose and oversee procurement of new services and hardware.
DENNIS LITTLE Page 2 ******.******@***********.***
Spearheaded significant improvement of technology infrastructure through standards
compliance, automated benchmarks, and active management of disaster recovery best practice.
Managed Asterisk VoIP telephone network for two separate businesses sharing one system:
insured proper call delivery, trunk routing, QoS & service provisioning via T1 PRI & internet.
Introduced & managed VMware Server + CentOS & ESXi standalone deployments to support
development and disaster recovery plans.
Elevated network cabling standards compliance from less than 45% to 100%.
Stabilized and lowered data center temperatures with investment of less than $1K.
Oversaw complete implementation of MySQL replication system to insure backup of 400M+
record research database.
ALLENFIELD SOLUTIONS, Harrisburg, Pennsylvania 2003-2007
Provider of IT systems integration/management/development services with $1M annual revenue.
IT Consultant
Managed all functions of multiple geographically dispersed networks of Windows and *nix servers
and workstations including security, backups, documentation, and integration. Architected,
implemented, and supported VolP, internet connectivity, toll free services, email, and web hosting.
Provided Tier 2 technical support for Windows, *nix, and OS X clients. Procured IT licensing,
equipment and services, and asset management. Cultivated and maintained vendor relationships.
Served as sales engineer and project manager, interacting with SMB and Fortune 500 clients to
assess needs and design solutions. Supervised staff of 4 and sub-contractors.
Redeveloped training documentation for Rite Aid Corporation, supporting $3.4B Eckerd
acquisition and transition.
Spearheaded virtualization and Open Source software integration, optimizing internal and
external operations.
Diakon / Statewide Adoption Network - Served as technical lead for successful new office build-
out and 72-hour migration of 5-agency, 45-person operation and all technology systems,
including 10 servers, 45 workstations, 5 copier-printers, and 120 switch ports.
Served as technical lead on privatization of Pennsylvania Adoption Exchange, an agency
maintaining records for more than 4,500 children and 3,500 families, integrating legacy SCO
Unix terminal system to support web-based platform upgrade.
Introduced on-demand, clientless remote support services to Allenfield Solutions customers.
PROVION, LLC, Carlisle, Pennsylvania 2001-2002
Provider of IT systems integration/management/development services with $5M annual revenue.
Special Projects Engineer
Cultivated and managed special projects, providing sales engineer support, and identifying and
evaluating new technologies and custom/COTS software integrations. Assisted in RFP response
development. Designed training documentation and trained end users. Identified new technologies
and integration points, testing viability and collaborating with sales team to develop services and
products.
Led technical development and implementation of innovative content management system for
Carlisle Regional Medical Center, a $300M+ facility.
Served as key programmer for CampusDoor.com, a $15M provider of college loans.
Continued on next page
DENNIS LITTLE Page 3 ******.******@***********.***
PATTON ELECTRONICS, Gaithersburg, Maryland 2000-2000 (College Internship)
Manufacturer of network access and connectivity products with $7.5M annual sales.
Software Development Intern
Optimized test department functions through implementation of GUI-based information system.
Interviewed stakeholders, gathered and documented system requirements, established project
milestones, and provided ongoing support.
Reduced time needed to establish test environment setup from 5 minutes to 10 seconds.
Produced test department s first Windows-based GUI, allowing for multiple technicians to work
on any of the company s 250 products.
EDUCATION
Bachelor of Science in Computer Science
Shippensburg University, Shippensburg, Pennsylvania
AFFILIATIONS
Regular contributing writer, Central Penn Business Journal
Harrisburg Young Professionals
HYPE (Helping Young Professionals Engage), Richmond
Central Pennsylvania LUG (Linux Users Group)
Richmond Chamber of Commerce Events Committee
LANGUAGES
Some French Proficiency
Extensive List of Technical Skills Available Upon Request
TECHNICAL SKILLS
Platforms
Linux: Ubuntu, RedHat, RHEL, CentOS, Slackware, SuSE, Novell
Unix: SCO Unix, Solaris
Windows: Server NT, 2000, 2003, 9x/XP/Vista
Mac OS X: Desktop & Server
Shell scripting: Windows, Linux bash shell, cron
Virtualization: VMWare Server, Qemu
Web Technologies
Servers: IIS, Apache 2, Tomcat, Apache Ant, SSL, DNS, LAMP
Databases: MySQL, MS SQL, Oracle: replication, backups, security, normalization
XHTML, CSS, Javascript, XML, RSS, Java, Visual Basic (VB)
Domain registration and search engine optimization (SEO)
Telephony
Avaya: DEFINITY, AUDIX, INTUITY, Communication Manager
Asterisk: Digium Business Edition, TrixBox, Elastix
Nortel PBX
VoIP: SIP, IAX, PRI, G.729, H.323, Direct Inward Dialing (DID)
Call Detail Recording (CDR), queues, routing, unified communications
Networking
Cisco IOS
VPN: OpenVPN, IPSec, Terminal Services / RDP, Citrix clients
Protocols: TCP/IP, HTTP/HTTPS, TFTP, FTP, SFTP, SSH, SNMP, SMTP / POP3 / IMAP
/ Exchange, UPnP
Ethernet standards: 802.3af PoE, 802.1p QoS, 802.1q VLAN
Active Directory (AD) domains
Cabling: CAT 5e/6 termination & certification, fiber optic 50/125, transceivers/media
converters, 10/100/1000 ethernet
Storage: NAS/SAN, CIFS/SMB, NFS, AFP, iSCSI, Fibre Channel, RAID, rsync,
NTBackup, Veritas NetBackup, BackupPC
Wireless: 802.11, WPA
Monitoring: Zenoss, Nagios, SNORT, tcpdump, Ethereal, iptables firewalls, Syslog
Data Center
Management: rack, cooling/environmental, cable, Lights-Out & Out of Band
Power: management, battery UPS, NEMA connector types, power requirements design
APC Data Center University training
Hardware :
Component diagnostic testing / replacement
Custom build
Asset management
Electronics
Schematics, Assembly (soldering), Test