Job Description

ESB IT Delivery provides critical application support services across a range of business areas. We are seeking an experienced Application Support Specialist to join our ESB Networks Business Application Support team, supporting a portfolio of business-critical applications that underpin ESB's operational activities.

Working as part of a highly motivated team of IT professionals, you will provide support, maintenance, monitoring, enhancement and continuous improvement of both third-party and bespoke ESB applications. You will work closely with business stakeholders, project teams, vendors and other IT support teams to ensure the availability, reliability and ongoing development of critical systems supporting 24/7 operations.

In support of ESB's strategic objectives of decarbonising electricity, building resilient infrastructure and empowering customers, you will help ensure the secure, reliable and efficient operation of business-critical technology platforms that support ESB's generation and trading businesses.

Key Responsibilities

• Maintain the availability, performance and security of business-critical applications through monitoring, preventative maintenance and proactive system health checks.
• Troubleshoot and resolve incidents, ensuring high levels of customer satisfaction and service continuity.
• Support application releases, upgrades, change requests and disaster recovery activities, including periodic failover testing between data centres.
• Collaborate with project teams to deliver and integrate new applications and ensure effective knowledge transfer into support teams.
• Identify and implement process improvements, automation opportunities and service enhancements across the application landscape.
• Work closely with internal stakeholders, external vendors and support teams to deliver high-quality end-to-end services.
• Participate in on-call and out-of-hours support arrangements where required to support critical business operations.

Experience and Qualifications

Essential

• Minimum 5 years' IT experience, preferably within Application Support, Production Support or DevOps environments.
• Third level degree in IT related field, or equivalent work experience.
• Experience supporting enterprise applications within multi-tier architectures.
• Knowledge and experience of Windows Server administration and support.
• Strong software implementation, troubleshooting and incident management skills.
• Experience with change control processes and technical documentation.
• Excellent communication, stakeholder management and problem-solving skills.
• Self-motivated team player with strong organisational skills, attention to detail and a flexible approach to support requirements.

Desirable

• Experience of automation and scripting technologies such as PowerShell, Windows Batch, SQL and enterprise job schedulers.
• Knowledge of database administration and writing SQL queries.
• Software development experience using technologies such as .NET, C#, ASP.NET or Visual Studio.
• Experience with middleware and integration technologies including IIS, WebSphere, WebLogic, UC4/Automic, SSIS or SAP PI.
• Experience supporting operational systems e.g. MV90, Intergraph G/Technologies
• Experience working within 24/7 operational environments.

Location

This position will be based in ESB Head Office, F27, 2 Fitzwilliam Street, Dublin 4.

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

Team Lead (Various), Application Operations

Why Work with Us?

• Opportunity to lead Ireland’s transition to net zero carbon future
• Career development through mentoring and training
• Corporate Social Responsibility Opportunities
• Sports and Social Clubs
• Networking opportunities
• Credit Union
• Generous Pension
• 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

Allowances

• On Call Allowance may be a requirement of this role

Salary

€59,900 - €70,500 per annum (depending on experience)

Closing Date

6th 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:

• Accountable and Ethical
• Collaborative
• Growing and Adaptive
• Proactive
• Respectful and Supportive

More information available on Our People Promise

Notes

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 prior to commencement of employment.