Cybersecurity Specialists

Electricity Supply Board; Dublin; On-site; EUR 50,000 - 59,000; Full time

Benefits offered by this job

Hybrid work model

Parental leave

Well-being programmes

Credit Union

Diversity & inclusion

Job summary

Electricity Supply Board (ESB) is seeking Cybersecurity Specialists in Dublin to shape how security is delivered to support business goals and major change initiatives. You will collaborate across IT Operations, Project Delivery and business stakeholders, leveraging Tech such as Microsoft Defender, Sentinel, and Rapid7 to strengthen protection and threat detection.

Successful candidates will have a related degree and industry certifications, 4+ years of experience, strong communication and

Qualifications

• Excellent communication and presentation skills with a proven ability to lead and influence change.
• Minimum of 4 years’ relevant experience, including experience working in related technical areas.
• Related third-level degree and industry certifications.
• Demonstrable ability to develop and grow new capabilities and skills related to cybersecurity.
• Demonstrated ability to apply technology in solving business problems.
• Self‑motivated learner and with proven ability to work as part of a team.
• Strong technical documentation skills.
• Familiarity or background with cyber and the cyber threat landscapes is desirable but not essential.
• Strong proficiency in MS Office suite including Word, PowerPoint, Excel, SharePoint and Power BI.

Responsibilities

• Govern, maintain and enhance security tools, controls, configurations and security baselines across IT and OT environments.
• Develop and maintain security procedures, documentation and security configuration baselines .
• Manage security changes, exceptions and stakeholder engagement, providing oversight of security controls and supporting incident response, projects and cyber operations.
• Conduct vulnerability and exposure assessments, prioritise risks and coordinate remediation across IT, OT environments.
• Operate and continuously improve vulnerability management tools, processes, policies, reporting and threat intelligence activities.
• Monitor, detect and investigate security threats and incidents through SIEM and other security monitoring platforms.
• Triage and coordinate incident response, containment, recovery and continuous improvement of detection, response and threat monitoring capabilities.

Skills

Cybersecurity

Communication

Team collaboration

Documentation

MS Office/Power BI

Education

Related third-level degree

Industry certifications

Tools

Microsoft Defender

Symantec Endpoint Protection

Microsoft Sentinel

Rapid7

Job description

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Technology plays a leading role in enabling and delivering ESB’s purpose to deliver a brighter future for the customers and communities we serve. We are driven to make a difference – by becoming net zero by 2040 – and it’s our people who ensure we succeed.

At ESB, we operate one of the most advanced and critical technology landscapes in Ireland. We manage a vast array of Enterprise IT and Operational Technologies (OT) which reside in our state‑of‑the‑art data centers, in our power generation plants, and in our critical operations centers – all requiring the appropriate level of security to protect our business.

Together, these technologies support our critical national infrastructure, and the CISO Team in CIO, Enterprise Services are seeking to fill a variety of Cybersecurity roles to support our transformation to a digital utility.

We are looking for talented, personable and ambitious candidates to fill these roles where they will have a key role in shaping how cybersecurity is delivered to meet business goals, supporting major change imperatives and in enabling ESB’s transition to a digital utility in line with regulatory requirements.

Together, these technologies support our critical national infrastructure, and we are recruiting Cybersecurity Specialists to support our transformation to a digital utility. Positions are available in the following areas:

• Threat & Vulnerability Management

We are seeking to attract candidates who have relevant experience in cybersecurity, IT operations or related areas and successful candidates will have a key role in shaping how cybersecurity is delivered to meet business goals, supporting major change imperatives and in enabling ESB’s transition to a digital utility in line with regulatory requirements. Successful candidates will be required to:

• Work collaboratively within a large CISO organisation and with the wider ESB organisation including IT Operations, Project Delivery and Business Stakeholders and vendor teams to deliver on the cybersecurity objectives;
• Work with several market-leading technologies including Microsoft Defender, Symantec Endpoint Protection, Microsoft Sentinel, Rapid7 Threat & Vulnerability Management and more.

Key Responsibilities

• Govern, maintain and enhance security tools, controls, configurations and security baselines across IT and OT environments.
• Develop and maintain security procedures, documentation and security configuration baselines .
• Manage security changes, exceptions and stakeholder engagement, providing oversight of security controls and supporting incident response, projects and cyber operations.

Threat & Vulnerability Management

• Conduct vulnerability and exposure assessments, prioritise risks and coordinate remediation across IT, OT environments.
• Operate and continuously improve vulnerability management tools, processes, policies, reporting and threat intelligence activities.
• Monitor, detect and investigate security threats and incidents through Security information and event management (SIEM) tool and other security monitoring platforms.
• Triage and coordinate incident response, containment, recovery and continuous improvement of detection, response and threat monitoring capabilities.

Experience and Qualifications

Applicants should be delivery focused and have the following demonstrable knowledge skills and experience:

• Excellent communication and presentation skills with a proven ability to lead and influence change and to clearly articulate messages to a variety of audiences.
• Minimum of 4 years’ relevant experience, including experience working in related technical areas.
• Related third-level degree and industry certifications.
• Demonstrable ability to develop and grow new capabilities and skills related to cybersecurity.
• Demonstrated ability to apply technology in solving business problems.
• Self‑motivated learner and with proven ability to work as part of a team.
• Strong technical documentation skills.
• Familiarity or background with cyber and the cyber threat landscapes is desirable but not essential.
• Strong proficiency in MS Office suite including Word, PowerPoint, Excel, SharePoint and Power BI.
• Previous experience working in a Utility Industry would be a bonus.

Location

These positions will be based in ESB Head Office, Dublin, but may from time to time require travel to business unit locations.

Smart Working at ESB is designed to make ‘in‑person’ time together as purposeful as possible while also enabling the effective use of digital tools and hybrid arrangements to preserve our commitment to flexibility. The successful candidate may work flexibly within the jurisdiction where they have been employed, with attendance at the workplace for in‑person collaboration at least two days per week. All Smart Working arrangements are subject to regular review based on the operational requirements of the role, the team, and the business.

Reporting To

The successful candidates will be assigned to various Managers in Engineering & Asset Security and Security Operations Centre in CISO, CIO, Enterprise Services.

Why Work with Us?

• Opportunity to lead Ireland’s transition tonet zero carbon future
• Career developmentthrough mentoring andtraining
• Corporate Social Responsibility Opportunities
• Sports and Social Clubs
• Networking opportunities
• Credit Union
• Access to staff well‑being programmes
• Generous parental leave entitlements
• Strong values‑based and inclusive culture
• Strong commitment to diversity, equity and inclusion
• Great team environment working to our Core Values: Courageous, Caring, Driven and Trusted

€49,800 - €58,600 per annum (depending on experience)

Closing Date

1st October 2026

Interview

Candidates who are shortlisted for interview will complete a Behavioural Interview based on each of the following Behaviours, which underpin how we work at ESB and are critical to delivering our strategy:

Your application will be held in reserve for 6 months should you be suitable for the role.

The successful candidate will be required to evidence their right to work in the Republic of Ireland / UK prior to commencement of employment.

Diversity, Equity and Inclusion Statement

ESB is committed to being an equal opportunities employer. We welcome applications from all sections of society and ensure that no one is discriminated against on the grounds of race, religion or belief, ethnicity or nationality, disability, age, citizenship, marital status, domestic or civil partnership status, sexual orientation or gender identity, or any other basis as protected by law.

Applicants who anticipate requiring assistance or reasonable accommodations for any part of the application or interview process may contact, in confidence, [e-mail].

About ESB

Join us in our mission to achieve a net-zero electricity system by 2040. ESB is Ireland’s leading energy utility, with activities spanning electricity generation, transmission and distribution, energy supply, energy services and international consultancy. Operating in Ireland, Northern Ireland and Great Britain, we invest over €1 billion each year to deliver a new energy future based on reliable, affordable zero‑carbon electricity.