Diarmaid Gillespie - Email & Phone Number

Director of System Operations at Eirgrid

Diarmaid Gillespie is based out of Ireland and works at Eirgrid as Director of System Operations.

Diarmaid Gillespie's Contact Information

Diarmaid Gillespie's Work email

d*****@eirgr***.com

Valid

Latest update

October 29, 2025

Location

Ireland

Diarmaid's current employer

Eirgrid

Description

Website

eirgrid.com

HQ Location

Ballsbridge, Dublin 4, Ireland

Number of employees

201-500

Industry

Utilities

Latest update

May 1, 2024

Read about Eirgrid

Frequent questions about Diarmaid Gillespie

What company is Diarmaid Gillespie working for?

Diarmaid Gillespie works for Eirgrid.

What is Diarmaid Gillespie's function at Eirgrid?

Diarmaid Gillespie is Director of System Operations at Eirgrid.

Where is Diarmaid Gillespie based?

Diarmaid Gillespie is based out of Ireland.

What is Diarmaid Gillespie's work email address?

Diarmaid Gillespie's professional email address is d*****@eirgr***.com

Who are Diarmaid Gillespie's co-workers?

Diarmaid Gillespie's colleagues are Celine O'Sullivan, Richard Blanchfield, Martin Cracknell, Anna Singh, Gary Connolly, Catherine Byrne, John O'Rourke, Doireann Barry, Sheelagh Gartlan, Suzanne Collins, Paul Cooley, Emma Fagan, Rodney Doyle, Anne Fitzgerald, Aodhagan Downey, Conor Fleming, Philip White, Colm MacManus, Mark Fiske, Gary Allen, Sameer Shembavnekar, Elin Ahlund, Robert Koch, Jamie MPRII, Karen Thornton, Kate Hanley, Ailis Martin, Caitríona Sheridan, Kieran French, David Fay, Ismail Ibrahim, Kieran O'Neill, Sinead Dooley, Mark Needham, Seamus Power.

Diarmaid's co-workers

Celine O'Sullivan

Executive Assistant To Chief Executive Officer

Richard Blanchfield

CIO Offshore Delivery Director

Martin Cracknell

Contracts Coordinator, Chief Infrastructure Office

Anna Singh

Procurement Coordinator

Gary Connolly

Team Lead, Major Customer Projects

Catherine Byrne

Head of Legal Services

John O'Rourke

Senior HR Business Partner & Early Talent Lead at EirGrid

Doireann Barry

Head of Strategy & Sustainability

Sheelagh Gartlan

Senior Talent Acquisition Lead

Suzanne Collins

Head of PR

Paul Cooley

Head of IT Infrastructure & Telecoms

Emma Fagan

Principal Engineer, Team Lead Future Operations

Rodney Doyle

Executive director

Anne Fitzgerald

Head of Front Office Operations, Market Operations

Aodhagan Downey

Team Lead - Capacity Market and RESS Auctions

Conor Fleming

Team Lead Market and Operational Systems

Philip White

Data Center & Hosting Team Lead

Colm MacManus

Team Lead

Mark Fiske

Programme Director Operational Technology / SCADA

Gary Allen

Head of Enterprise Security (CISO)

Sameer Shembavnekar

Senior Database Specialist Lead

Elin Ahlund

Head of Transmission Power System Planning

Robert Koch

Power System Continuity Lead (System Operations)

Jamie MPRII

Senior Lead Engagement Specialist

Karen Thornton

Head of Governance and Capability

Kate Hanley

Senior Lead Engineer

Ailis Martin

Lead Engineer, Transmission Outage Planning

Caitríona Sheridan

Senior Lead Engineer - System Integrity

Kieran French

Celtic Interconnector Technical Lead

David Fay

Head of Internal Audit and Compliance

Head of Public Engagement

Mark Needham

Innovation and Planning Programme Delivery Lead

Seamus Power

Team Lead, Transmission and Generation Outage Planning

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