Gillian Hayes
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Gillian Hayes Email & Phone Number

BSc (Hons), Brehon Technologies Limited at Brehon Technologies Limited
Location: Ireland 9 work roles 5 schools
1 work email found @yahoo.ie LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Work email g****@yahoo.ie
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Current company
Role
BSc (Hons), Brehon Technologies Limited
Location
Ireland
Company size

Who is Gillian Hayes? Overview

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Quick answer

Gillian Hayes is listed as BSc (Hons), Brehon Technologies Limited at Brehon Technologies Limited, a with 3 employees, based in Ireland. AeroLeads shows a work email signal at yahoo.ie and a matched LinkedIn profile for Gillian Hayes.

Gillian Hayes previously worked as Technical Consultant at Terraalto Limited and Systems Administrator at Hubspot. Gillian Hayes holds Bachelor Of Science (Bsc), Computer Science, Hons from Waterford Institute Of Technology.

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*@yahoo.ie
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Profile bio

About Gillian Hayes

I am a very personable IT Professional with 10+ years experience. I have formed good relationships with my colleagues, end users and third parties - in all of my previous employment.I have worked on many key projects across the Gaming, Banking, Hotel and Marketing industries. These varied from projects maintaining existing network, infrastructure and policies - to creating network, infrastructure and policies from scratch.I enjoy being productive, I am results driven and am customer focused.Specialities: Systems Administration, Network Administration, Communication, Working on teams (Global & local), Information Security, Business and Operational Management, Budgeting & Purchasing, People Management, Performance Management, Project Management, Virtualization, Disaster Recovery, OS (Linux, Windows, Cisco IOS, MacOS X), Firewalls, System Hardening/Benchmarking, Vulnerability Scanning, Risk Assessment.

Listed skills include Active Directory, Windows Server, Firewalls, Virtualization, and 46 others.

Current workplace

Gillian Hayes's current company

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Brehon Technologies Limited
Brehon Technologies Limited
BSc (Hons), Brehon Technologies Limited
dublin, dublin, ireland
Website
Employees
3
AeroLeads page
9 roles

Gillian Hayes work experience

A career timeline built from the work history available for this profile.

Technical Consultant

Dublin

Technical Consultant

Jan 2014 - Jan 2015

Systems Administrator

Dublin, Ireland

Established the IT infrastructure for the first European HubSpot office, under a very tight deadline. I worked with telecommunications vendors, ISP vendors, construction teams, builders, electricians, Office Management and the Facilities team to build a functioning Comms room, meeting rooms IT/AV, and main office IT/AV. Worked with the Voice engineer to setup Ireland dialling codes and dialling structures that would be used while dialling internally/externally/emergencies etc. Setup user working spaces including IP phones, softphones, laptops, and software/app needs. I worked heavily with my Sysadmin team in the US office, to bring the HubSpot Network alive (via point-to-point initially and MPLS later) across the Atlantic in the Dublin Office. Reached all goals and successfully launched the office in Jan 2013, I continued to manage IT budget and hardware for the rapidly growing office and staff base, while technically supporting the growing user base. I then finished up once Infrastructure teething calmed and hiring slowed a little.

Oct 2012 - Jun 2013

It Manager & Lead Systems Administrator

Dublin, Ireland

•Responsible for the Management of Dublin IT functions and Employees (Sys. Admins & Helpdesk) including infrastructure Management, Hiring, Performance Management, Budget Management, Decision Making. •Responsibilities as part of a global team providing 24x7x365for installation, configuration, and administration of systems (Windows, Linux and Virtualization server environments and networking infrastructure) in a multi-site environment (primarily Dublin, Seattle & Shanghai) •Contributed to detailed company-wide project planning•Responsible for the project planning and subsequent implementation of very notable projects during the PopCap EA integration.Notable Project Information:----------------------------------•Renumbering the entire PopCap network (IP blocks/Network Devices/DHCP/AD/Serves) to accommodate the integration of the PopCap Network into the EA Games Network - PopCap's subnets conflicted with many being used within the EA Network already. I was the project co-ordinator for the Dublin section of this Global project, it had to be planned out in great detail with the IT Security/Network admins and tech support teams. The project had to implemented with very little impact to our users whom were working towards their own game release dates that could not be impacted.•Extension of the existing PopCap Network on to two newly acquired floors - Planned and implemented this project, I worked with Facilities, Electricians and construction teams to build a state-of-the-art new office for the ever-expanding PopCap/EA team.•Full Connection of PopCap into the EA Network via MPLS. I was responsible for the Dublin success of this Global, EA/PopCap integration Project. I liaised with the PopCap Security team, new EA Network Admin colleagues and existing global PopCap colleagues on this project team:- our aim -to achieve all prerequisites for the network integration with EA. I worked very closely with the EA Sr Network Admin to prep & configure the MPLS for cut-over.

Jan 2011 - Sep 2012

Systems Administrator Ii

Dublin

•Responsibilities for the installation, configuration, and administration of systems in a multi-site environment(Primarily Dublin, Seattle & Shanghai)•Part of a global team providing 24x7x365 rotated on-call support for the production Windows, Linux and Virtualization server environments and networking infrastructure.•Providing 24x7 emergency response, troubleshooting, and implement remediation plans •Provide disaster recovery, security updates, and performance tuning•Write scripts, procedures, documentation and policy for day to day operations •Manage phone, voicemail, and teleconferencing systems•Provide regular reports detailing uptime and IT problems and solutions

Jan 2011 - May 2011

It Security Analyst

Ireland

My role in HSBC involved developing IT Security policies and implementing IT Securities for the Irish companies of HSBC. Our team worked in conjunction with the IT Systems team and the Risk team in order to ensure adherence to the HSBC Group Policies, standards and manuals, in order to limit and mitigate Risk. My daily duties included Vulnerability Scanning using industry tools - I reported on these findings, and suggested solutions and turnaround times to the IT Operations team. I worked on Windows Patching and deployment, Server Hardening as per company standards and industry standards (CIS), Anti-Virus monitoring. I assessed Information security Risks that may have arisen due to personal findings, new projects, business findings & Audit findings. It was my responsibility to correlate quarterly reporting on these security items. Responsible for organizing and hosting weekly meetings with our IT Security team in Hyderabad.Projects:- -The Lockdown & forced encryption of Mass storage devices(memory sticks, cameras, ipods, external hard drives etc, CD’s and floppy’s). -The Roll-out of a Password Repository system which leases admin passwords to admins as & when needed. -A building move - part of the move project team to move 600+ employee's to new premises, working with facilities & IT involved in planning and moving schedule's of people & Equipment, and testing of equipment when it had arrived at its new location to ensure as little disruption as possible to the employee base.

Jun 2007 - Dec 2010

It Security Administrator

Ireland

Security Administration of in-house banking apps & vendor provided Apps. An internal user base of 700+ and external Statestreet Clients located globally (approx 300+). We also administered Active Directory accounts, SMS Groups and Lotus Notes Database's, Mailbox's and Distribution Lists.

Dec 2006 - Jun 2007

It Security & Compliance And Systems Administrator

Ireland

I began on the IT helpdesk, after six months in this position I was promoted to work with the Group IT Security Manager in an IT Security & Compliance role. Responsibilities: Setup, maintenance and troubleshooting VPN accounts. Firewall Rules. Internet, proxy & Filters, Administer & Troubleshoot Group Internet & DNS problems involving the ISA Proxy Server ISA W2K & ISA 2004.Configure, Monitor & Troubleshoot Spam Filter & MailSweeper for SMTP. Patching & Integrity of Systems. Endpoint Integrity - Checkpoint Integrity and zonealarms firewall. Anti-Virus throughout our multi-site environment (IRE,UK & US). Audits - Take part in Internal & External Audits. Documentation & Procedures.Daily Log Monitoring. Active Directory, Organizational Units & Group Policies.Systems Administration & Support to over 1,000 users in 35 different properties across Ireland, UK and US. Providing support to users and members of the IT team for all workstations, printers and applications – such as SAP, MS Office, VERITAS (Symantec) Backup Exec, Symantec Anti-Virus, FIDELIO and all other IT Components previously mentioned. Server installation, configuration, maintenance and support for Windows Server 2000/2003 &Terminal Services.Remote support via Terminal Services & Dameware. Monitoring and tracking system behaviour. Exchange 5.5 and System Manager 2003. Management of Servers and Services.TCP/IP (Addressing DNS, WINS & DHCP)Projects: -I was a member of the project team for new hotel openings. -I was a member of the Disaster Recovery Team. Every Six Months we would simulate a disaster recovery situation and follow our plan to ensure that it was effective.-As a member of the security team, I took part in the project to configure & rollout the Copperfasten spam filter, Checkpoint Endpoint Security and many s/w upgrades.-I was a member of the project team for standardising and upgrading Hotel and Head Office data from Windows NT\Novell to Windows 2000 Server.

Dec 2003 - Dec 2006

Junior Applications Developer (Internship)

Ifsc Dublin

Junior Applications Developer Internship in the Treasury Dept. of Permanent TSB.

Mar 2002 - Sep 2002
5 education records

Gillian Hayes education

Bachelor Of Science (Bsc), Computer Science, Hons

Activities and Societies: Computer Society Drama SocietyQualified BSc. (Hons) in Computer Science

Ceh, It Security

Ec Council

Qualified - Certified Ethical Hacker

Installing Configuring & Troubleshooting

Vmware

Itil, Itil

Itil

Studied ITIL foundation.

Mcitp, Mcitp

Mcitp

MCITP, have achieved 2 MCP's

FAQ

Frequently asked questions about Gillian Hayes

Quick answers generated from the profile data available on this page.

What company does Gillian Hayes work for?

Gillian Hayes works for Brehon Technologies Limited.

What is Gillian Hayes's role at Brehon Technologies Limited?

Gillian Hayes is listed as BSc (Hons), Brehon Technologies Limited at Brehon Technologies Limited.

What is Gillian Hayes's email address?

AeroLeads has found 1 work email signal at @yahoo.ie for Gillian Hayes at Brehon Technologies Limited.

Where is Gillian Hayes based?

Gillian Hayes is based in Ireland while working with Brehon Technologies Limited.

What companies has Gillian Hayes worked for?

Gillian Hayes has worked for Brehon Technologies Limited, Terraalto Limited, Hubspot, Electronic Arts (Ea)/Popcap Games, and Popcap Games/Electronic Arts (Ea Games).

How can I contact Gillian Hayes?

You can use AeroLeads to view verified contact signals for Gillian Hayes at Brehon Technologies Limited, including work email, phone, and LinkedIn data when available.

What schools did Gillian Hayes attend?

Gillian Hayes holds Bachelor Of Science (Bsc), Computer Science, Hons from Waterford Institute Of Technology.

What skills is Gillian Hayes known for?

Gillian Hayes is listed with skills including Active Directory, Windows Server, Firewalls, Virtualization, Backup Exec, Dhcp, Cisco Ios, and Mysql.

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