Graham Chatfield has over 30 years of experience in IT, including system administration of Linux, Unix, Windows, and Mac operating systems. He has administered Weblogic servers at NTTData for Shoppers Drug Mart, and was previously a system administrator at Crawford Technologies where he administered Windows, Linux, Unix, and virtualization platforms. Chatfield has extensive experience with databases, web servers, and middleware applications.
Sr. IT Datacenter Specialist - Systems Virtualization Engineer
Focus: Data Center, Network and Data Infrastructure.
Area: Design, Implementation, Integration, Management and Operation of Enterprise Networks.
Certificate: VMware, Microsoft , OpenStak
Languages: Fluent in English, Portuguese, more than 12 years working in IT in countries such as : (Ireland , England, USA , Sweden, Northern Ireland , and Wales)
Sr. IT Datacenter Specialist - Systems Virtualization Engineer
Focus: Data Center, Network and Data Infrastructure.
Area: Design, Implementation, Integration, Management and Operation of Enterprise Networks.
Certificate: VMware, Microsoft , OpenStak
Languages: Fluent in English, Portuguese, more than 12 years working in IT in countries such as : (Ireland , England, USA , Sweden, Northern Ireland , and Wales)
1. GRAHAM CHATFIELD
Contact: 905 617 2031 grahamchatfield@lycos.com 2096 Edinburgh Drive, Burlington. L7R 2C9
PROFESSIONAL REVIEW
• Over thirty years’ experience in the IT industry. at the higher level of support.
• Self-motivated and have strong communications, presentation and time management skills
• Wide range of system administration/implementation on Linux, Unix, Wintel and Mac based Operating systems.
• Good inter-personal, skills, creating a productive team spirit. Managed a team of 2 to 8.
• Able to communicate, high-level complex tasks to other participants within the company
TECHNINCAL SUMMARY
Various “flavours” of Unix – 20yrs+, Linux - 15yrs+ and Windows Servers 20yrs+ (recently 2008r2 / 2012r2) and Client
OS Apple Mac's OS X- 10yrs+ VMware ESXi 4.1 – 5yrs+ KVM - 3yrs+
Protocol Experience -- TCP/IP, SFTP, SFTPPlus, UDP, NFS on Linux , Unix and Windows servers, Port manipulation,
VPN for Server to server and Client. DNS, Bind (linux) and DHCP, From Firewall, Linux and Windows servers.
Application Experience
• Unix/Windows/Mac- based applications
• Middleware: WebObjects - 10yrs+, WebLogic - 5yrs+ and most RDBMS(MySQL - 15yrs+, MSSQL- 10yrs+ and
Oracle- 10yrs+) PHP (5years+) Apache2 5years+
• WebObjects, WebLogic
• RDBMS - MySQL, MSSQL and Oracle – 10 years +
• Apache – HTTPD- 10yrs+ MS IIS- 10yrs+
• Customizing / tuning the applications when used in a LAN / WAN environment.
• Network Protocol Analyzers; Port / security reconciliation.
• Unix System Admin, (Solaris, HP-UX AIX and Linux)
• LAN / WAN – Centred around Unix / PC based networks – From 1987 on
• Microsoft Windows XP/2003 Workstation and Server (Past MSCE attained)
PROFESSIONAL EXPERIENCE
NTTData – assigned to Shoppers Drug Mart
System Administrator - Weblogic (January 2015 to current)
• System administration of the Weblogic servers (8.1, 9.2, 10.3 and 12c), running on Linux, Unix and Windows
based servers.
• Performance tuning to fine tune the Weblogic servers with the applications. To improve application response and
resolve memory heap errors.
• Clean up the build procedures for the system builds.
Crawford Technologies INC (October 2008 to July 2014)
System Administrator
• Administration experience with Windows 2008R2/2012 server platforms (Service Packs, Base System
Installations Administration and Troubleshooting)
• Extensive knowledge of Networking, WSUS and Patch management, Windows Active Directory and Group
Policy Objects
• Administration experience with Windows 7, 8, XP and Office 2010/2013. Active Directory. GPO – RDS
Certification. FSMO, DHCP and DNS Management
2. • Administration experience with Linux (CentOS/RedHat, Ubuntu, Suse and Oracle) and Unix (HP-UX, Solaris
and AIX) platforms
• Strong knowledge of local area and virtual private network administration of Site-to-Site VPNs with Sonicwall
appliances
• Replicate customer's environment. This involved setting up a WebLogic (11g1) connected to the Oracle 11i
Schema, on the other side of the middle-ware application was an Apache2 web server. - These connections
relied on JDBC (database) and web connectors to the web server. The WebLogic server has j2ee installed
• Strong knowledge of server vitalization products such as VMware ESXi 4.x and KVM
• Good knowledge of internet protocols and mechanisms (DNS, SMTP, HTTP, SSL, etc.)
• PCI system compliance to meet PCI standards in a production setup. To meet the Bank requirements on
security on externally connected production system. This link explains PCI
• Experienced in enterprise storage management & design experience, net app arrays, network attached
storage, archiving, backup & recovery
• Experienced in managing web, database and application server farms (LAMP) and n+1 architectures
• Experienced in deploying and configuring network devices (switches, routers and firewalls)
• Strong system bench marking & performance optimization skills
• Experienced with Help Desk ticketing systems. SpiceWorks
Key Achievements:
• Stabilised the network infrastructure,
• Resolved the NAS servers to enable smooth production runs overnight on Linux, Unix and Windows servers.
• Created the remote office server farm in NY, Ft Collins and Boston.
• Established inter office server to server links. Primary task was to get a good FSMO foundation.
• Created a Primary DNS at HQ to be feed down to the child DNS servers.
• Planed and installed the IBM Z10 Mainframe. This was then connected to the LAN and NAS servers.
• Installed and maintained QuickBooks Premier 2010 for 10 LAN users (including remote offices).
• Created a PCI compliant server system to securely manage Customer's Data.
• Using Open Source VM – created several Windows and Linux based servers to enable software development to
proceed. Other servers were used to monitor and report on the servers (icinga) - Nagios
• Managed remote clients with VM and other aspects, in Canada, US and UK locations.
Self Employed Contracts (2003 to 2008)
IT Consultant / Systems Engineer – These were done consecutively in this order.
• Co-Operative Bank – Consult / Administrator their Solaris system – currently on 8 & 9
• HBOS Bank – Implement their WebLogic application and test from Database through to Apache server.
• Ontario Hydro – Convert an Oracle Schema to MySQL, based on Solaris 9 – Test and fix new Schema –
allowing for future growth.
• Misc – Other support / administrator roles focused around Solaris, Red Hat and Ubuntu systems.
• The following conducted on behalf of Ikon UK (2003 to 2006)
• CitiGroup Bank – UK Back Office server administration on Unix, Linux and MS servers
• Wolseley PLC – UK Front and Back Office administration of Unix MS based environment
• TNT – UK wide rollout / upgrade - build NT / Win2k / XP servers - installed Citrix Metaframe
• Spec Savers – UK /Ireland / Holland rollout /upgrade - Install Solaris 2.8 / RDBMS
North Plains Systems (2000 to 2003)
Implementation Consultant for Professional Services
This role involved applying the NPS enterprise software to three main applications. Webserver (Apache or IIS)
Middleware – (WebLogic or WebObject’s) and a database (MSSQL, MySQL or Oracle); this could be on one server, two
servers or three severs. As the numbers of server grew – so did the requirements to connect these via ODBC, JDBC and
Web connectors. The Clients (PC or Mac) could use the thick client (native) or a thin web client. A sound knowledge of
networking was a required skill (ports and security); some installations with Linux had the server setup as LAMP servers.
3. Project Highlights:
• GlaxoSF – in the US and UK – Implementation of DAM system with Solaris servers
• Thomson Publishing - Chicago - Implementation of DAM system, replaced Documentum system with
Solaris servers
• Sony Music – NY Implementation of DAM system with Solaris servers
• Sony Pictures – Culver City Implementation of DAM system with Solaris servers
• Warner Bros – Burbank Implementation of DAM system, replaced Vignette system with Solaris Win2k / NT
servers
• Viacom – NY Implementation of DAM system with Solaris servers
• Ogilvy & Mather – NY / London Implementation of DAM system, replaced Vignette system with Solaris /
Linux servers
• IMF – Washington Implementation of DAM system Win NT and Win2K servers
• Harper Collins – NY Implementation of DAM system Built Solaris servers
BOEHRINGER-INGELHEIM (March 2000 to November 2000)
IT Consultant
• HPUX and NT/Win2000 administration
• Second level support, on HP, NT and MS Exchange servers
• Applications on the servers Oracle, IIS, MS Office, and VERITAS Backup Exec
Public Works Canada (July 1996 to February 2000)
LAN Administrator
• To provide, second level support, on MS Exchange server, Banyan Vines (Active Directory services) and
NetWare LAN. (1100 users)
• Second level support to the user community, with PC based Windows/DOS workstations
• Introduction of RedHat Linux – not enterprise (5.2, 6.0, and 6.1) to solve LAN – WAN issues
• Assist in the planning, design and installation of the Cisco VLAN
• Migrate the user base from one LAN OS to another
• To constantly manage/prioritize to day to day operations and attend to the current ‘crisis’ in their respective
order
Eurobell Ltd. England. UK (April 1993-March 1996)
Systems Support Manager/Technical Support
• Installation. Growth, Integration and System Administration
• Solaris, Banyan Vines, DOS/Windows workstations, Windows NT
• Smallworld GIS (UNIX running on SUN, RS6000 and ALPHA) Client PC’s, Mac’s and MicroVAX
• Managing the IT team of 5 personnel
• Costs analysis, managing and planning the budget for the MIS dept.
• Completed the building of the company’s’ Internet system
PAST PROFESSIONAL EXPERIENCE
1992 - April 93 Technical Support Engineer. Unix CNS Ltd.,N Yorkshire, England
1989 - 1992 Technical Director / Technical Support ANP Ltd., Surrey, England
1988 - 1989 Technical Support Engineer Banyan Systems, Surrey, England
1986 - 1988 Technical Support Engineer( TCP/IP), DataGuild Ltd., Surrey, England
1983 - 1986 Technical Support/Field Engineer, Digital Equipment Co.,London, England
Education
4. 1977 - 1986 Higher Technical Diploma in Electronic and Electrical Engineering
(MoD Aqulia)Bromley College of Technology, Kent, England
Apprenticeship in Electronic and Electrical Engineering (4 years)
Mechanical engineering, basic electronic theory
Electronic engineering, radar, computing and analogue systems
REFERENCES AVAILABLE UPON REQUEST