Gillian Hayes
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Gillian Hayes Email & Phone Number

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

Contact Signals · 1 work email

Work email g****@yahoo.ie
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Current company
Role
BSc (Hons), Brehon Technologies Limited
Location
Ireland, Ireland, 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 company with 3 employees, based in Ireland, Ireland, 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.

Company email context

Email format at Brehon Technologies Limited

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*@yahoo.ie
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AeroLeads found 1 current-domain work email signal for Gillian Hayes. Compare company email patterns before reaching out.

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.

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.
  • 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.
  • 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.
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
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.

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.

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, Ireland, 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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