Employment

My name is David Irwin, I live in Loughgall in Northern Ireland. I’ve worked in IT full-time since leaving university.

I’ve held first, second, and third-line Support and IT Management roles.

ICT Infrastructure Manager
Company Name: Southern Regional College
Dates Employed: September 2022
Employment Duration: 1 Year +
Location: Portadown Campus

To lead and manage all aspects of the College ICT Infrastructure to provide high quality management, security, disaster recovery, maintenance, support and development and to assist the ICT Services and Systems Managers in the management, maintenance and development of all services.
To contribute to the management of the security, integrity and reliability of the college’s infrastructure, systems and endpoints, being proactive in assessing the changing threat and vulnerability landscape and taking measures to prevent and mitigate disruption or corruption of services and systems and respond to incidents.

• Skills: Palo Alto · VMware Esxi · VMware Horizon View ·  Windows 10 / 11 · Extreme Wireless · Cisco Networking · Dell Networking · Windows Server · 365 Microsoft Defender Threat Management · Cyber Essentials

IT Infrastructure Lead
Company Name: OS Doors
Dates Employed: July 2021 – August 2022
Employment Duration: 1 Year
Location: Dungannon

• • Responsibilities
    As IT Infrastructure Lead I worked closely with third party IT managed services to deliver an IT network that is stable and is developed according to the needs of the business. Priority of the business is to ensure that IT systems and working processes are carried out with in a secure network across 4 sites.
    Configuration and installation of network switches to deal VLAN rules and maintain documentation of the network.
    Monitoring IT helpdesk and utilize junior support engineer to ensure that the IT department is meeting SLAs in a timely manner.
    Ensure all business operatives have the hardware (PC/Printers/Scanners etc) required to achieve the best results in their jobs. This will include new installations and break fixing where necessary.
    Hardware/Systems
    • VM Hosts (ProLiant DL380 Gen10 Plus) 3 Servers
    • A mixture of other DL380 Gen 9 and Gen 10 Servers
    • Dell Poweredge R740XD with storage Controller
    • VM Platform (HyperV)
    • Microsoft Azure / Exchange 365 / Active Directory
    • Servers (Server 2016, Server 2019, Server 2022)
    • Storage (Clustered SSD, Qnap, Azure Online Storage, OneDrive)
    • Backups/restores (Microsoft Azure Backup – Onsite and Offsite)
    • Office 365 online
    • Email Security (Mimecast)
    • Firewall (WatchGuard)
    • Webroot Anti-Virus
    • Network Switches (Aruba, Cisco)
    • BT Net (Fibre Broadband)
    • Wireless AP (Cisco, Aruba, Aruba Instant On)
    • PCs Installs (windows 10 pro / Windows 11 pro)
    • Printer (Canon – managed serveries / HP manual fix)
    • Helpdesk support (manage SLA etc)
    • IP CCTV (Milestone, Mobitix’s)
    • Warehouse Scanning hardware (Zebra TC21)Responsibilities As IT Infrastructure Lead I worked closely with third party IT managed services to deliver an IT network that is stable and is developed according to the needs of the business. Priority of the business is to ensure that IT systems and working processes are carried out with in a secure network across 4 sites. Configuration and installation of network switches to deal VLAN rules and maintain documentation of the network. Monitoring IT helpdesk and utilize junior support engineer to ensure that the IT department is meeting SLAs in a timely manner. Ensure all business operatives have the hardware (PC/Printers/Scanners etc) required to achieve the best results in their jobs. This will include new installations and break fixing where necessary. Hardware/Systems • VM Hosts (ProLiant DL380 Gen10 Plus) 3 Servers • A mixture of other DL380 Gen 9 and Gen 10 Servers • Dell Poweredge R740XD with storage Controller • VM Platform (HyperV) • Microsoft Azure / Exchange 365 / Active Directory • Servers (Server 2016, Server 2019, Server 2022) • Storage (Clustered SSD, Qnap, Azure Online Storage, OneDrive) • Backups/restores (Microsoft Azure Backup – Onsite and Offsite) • Office 365 online • Email Security (Mimecast) • Firewall (WatchGuard) • Webroot Anti-Virus • Network Switches (Aruba, Cisco) • BT Net (Fibre Broadband) • Wireless AP (Cisco, Aruba, Aruba Instant On) • PCs Installs (windows 10 pro / Windows 11 pro) • Printer (Canon – managed serveries / HP manual fix) • Helpdesk support (manage SLA etc) • IP CCTV (Milestone, Mobitix’s) • Warehouse Scanning hardware (Zebra TC21)
    • Skills: Watchguard · VMware vSphere · Windows 10 · Aruba Wireless · Cisco Wireless · Cisco Networking · HP Networking · Windows Server

Senior Service Desk Engineer
Company Name: Nitec Solutions
Dates Employed: January 2021 – July 2021
Employment Duration: 6 Months
Location: Antrim – Northern Ireland

Nitec is a multi-award winning local technology partner, specialising in intelligent technology solutions designed to provide competitive advantage to our small-to-medium enterprise peers across Northern Ireland.

Senior Systems Administrator
Company Name: OS Doors
Dates Employed: March 2019 – January 2021
Employment Duration: 2 yrs
Location: Dungannon

O&S Doors Ltd is the UK and Ireland’s largest manufacturer of kitchen and bedroom doors, panels and associated accessories. They operate a large site in the Dungannon area with 300 staff, and a showroom / warehouse in Dublin. I’m responsible for maintaining 21 servers and looking after the 220+ desktops, also with various computerised CNC routers & robots, 25+ Windows EC Handheld Zebra Scanners

There is a mix of server 2003, Server 2008, Server 2016, Server 2019 and some debian linux servers, all running in a vmware ESXI 5.5 high availability cluster. Three QNAPS NAS’s, and two HP Fibre SAN’s,  BT Avaya IT Office 500 telephone system 80 User System with IVR.

• Administrate and maintains the company’s internal computer network, HP and Cisco Switches, and a Cisco 3500 Wireless Controller with 34 AP’s
• Accountable for safeguarding and securing the company’s data, network and systems.
• Implementing domain and local policy GPO’s.
• Provides onsite support to resolve problems with the IT systems; and telecommunications systems
• Ownership for carrying out network and server backup procedures.
• Setup of a DR Server Room, with the DR servers being replication from the main servers nightly.
• Setup of Sage CRM System, Training of the office users and sales managers.
• Migration of Exchange 2010 to Exchange 2016 Server.
• Setup of an Electronic Proof of Delivery EPOD system for the OS Doors lorry fleet and sub-contractors.
• Setup of a QNAP Cluster, with real-time replication between QNAPS.
• Responsible for applying security updates and patches on servers, desktops, and laptops
• Setup a Helpdesk System and introduced remote computer support.
• Managing and creating Active Directory accounts, network shares, and printing services

Senior IT Administrator – IT Supervisor
Company Name: Decora Blinds Systems
Dates Employed: Apr 2006 – March 2019
Employment Duration: 13 yrs
Location: Lisburn
I have the responsibility for maintaining all IT Systems in-house, 33 servers and about 330 desktop clients, and 60 laptops, and 5 Mac’s Systems, there is a mix of Windows server 2012 R2 and Windows Server 2016 Servers, running Active Directory, Windows clustering, Xenapp, file & print and sql servers. And I manage our Office365 email tenant.

Some of my job roles are below

• Management and support of the company’s IT hardware and network infrastructure including PCs, servers, printers, switches etc.
• WatchGuard, HP and Aruba Networking.
• In charge of the Desktop / Server support team.
• Procurement, Installation and configuration of IT hardware and software including Servers, PC’s, Printers and Networking equipment.
• On-site support to resolve problems with existing IT Systems.
• Support of existing and new telecommunications systems.
• Testing of new hardware and software releases and upgrades.
• Roll-out of application updates/patches.
• Delivery of training to ensure the best utilisation of existing and new information systems.
• Administration and maintenance of the company’s internal network.
• Participation in and management of the on-call rota.
• Responsibility for supervision, training and development of junior members of staff.
• Developing and maintaining System Procedures.
• Safeguarding and securing the company’s data, network and systems.
• Responsibility for the operation of company back-up systems and procedures.
• Support of existing and new telecommunications systems and technology.
• Responsibility for implementing the company’s IT security strategy.
• Administration of Active Directory and the O365 tenant.

Installation Engineer
Company Name: HP CDS
Dates Employed: Aug 2005 – Apr 2006
Employment Duration: 9 Months
Location: Belfast – Covered the whole of Northern Ireland

The Company provided hardware support to Primary schools in the c2k lot1 & lot2 schemes. I faultfinded on servers, replaced hardware i.e. motherboards, processors, raid cards. I do complete restores from tape if the server operating system is corrupt. Network support (Switches androuters), Desktop PC’s, and all other desktop peripherals

Network Consultant
Company Name: EMIS / EGTON – Egton Medical Information Systems Limited
Dates Employed: Sep 2004 – May 2005
Employment Duration: 9 Months
Location: Leeds – Northern Ireland Based

EMIS provides hardware & software to 55% of all health Centres in the UK. My job is to provide technical hardware and software support for the server and desktops.
I have installed Windows 2000 & 2003 Server, windows 2000 & XP clients. On the servers I install and configure, DNS, Active directory, Server Antivirus, client anti- servers I install and configure, DNS, Active directory, Server Antivirus, client anti-virus updating from server, terminal services, Exchange. And the companies MSM application which uses telnet. Set up the clients, join the domain, install the client application, install anti-virus and configure it to update automatically from the server. All hardware maintenance for the servers and desktops machines. One of the major projects the company took on was the linking of Health Centres to the HPSS net and to the internet (Via secure broadband) in Northern Ireland. Another project is the upgrading of all NT 4 Servers to Windows 2003 servers, the company had over 4000 NT servers, We use the Active Directory Migration tool to help move over users, groups and computers to the new domain. I install and configure software & hardware on Servers, Desktops, laptops, Palm’s. Install network printers, local printers, document scanners, bar code scanners,
I work on all windows clients 95/98/NT/2000/XP. This job was home based as the company does not have any offices in Northern Ireland, but they employ 8 personnel here. We logged on to my work network through a VPN over broadband, and download my calendar for the day. And go about my business.

Broadband Rollout Engineer
Company Name: Agora Solutions
Dates Employed: Aug 2004
Employment Duration: 1 Months
Location: Northern Ireland Based

Agora Solution had the contact to install broadband to the CO-OP Travelcare Travel Agents.
They employed two temporary engineers in Northern Ireland to go around and install Cisco routers for broadband and a backup ISDN router. Install New PC’s and ghost some high spec old machines in each shop.

Desktop Support Engineer
Company Name: FG Wilson
Dates Employed: Mar 2004 – Aug 2004
Employment Duration: 3 Months
Location: Larne

At FG Wilson I was part of a Windows 95, NT to Windows 2000 upgrade (PC’s & Laptops). FGWilson had a Windows 2000 Active Directory network with about 900 workstations in their 4 factories in Northern Ireland connected in a WAN. Using Ghost I had to image about 60 Dell Optiplex GX270 pc’s a month. We ran Ghost on an independent network in multicast mode to isolate network traffic. I also had to migrate the user’s profiles, documents, settings and data. When required I had to install additional software such as MS Project, Visio 2000, MS Access 97 / 2000, AUTOCAD and various custom applications.

Rollout / Installation Engineer
Company Name: BIC Systems Limited
Dates Employed: Feb 2004 – Mar 2004
Employment Duration: 2 Months
Location: Belfast

Installing new PCs across Northern Ireland, in various DRD, DOE & DCAL Offices.
Carrying out a survey of users old machines,
Unpacking and setting up new machines,
Configuring networks connections ensuring PC is logging on to the correct server and Network.
Installing software and Hardware to the customers needs.