Application Support Specialist, IT Delivery

Electricity Supply Board; Dublin; Hybrid; EUR 60,000 - 71,000; Full time

Benefits offered by this job

On Call Allowance may be a requirement

Job summary

ESB IT Delivery seeks an experienced Application Support Specialist to support a portfolio of business-critical ESB applications and ensure 24/7 reliability across data centers.

You will work with stakeholders, vendors and IT teams on releases, monitoring, automation and continuous improvement in a hybrid work model from ESB Head Office, Dublin.

Qualifications

• 5+ years IT experience in Application/Production Support or DevOps.
• Degree in IT or equivalent work experience.
• Experience supporting enterprise apps in multi‑tier architectures.
• Windows Server administration and support experience.
• Strong troubleshooting, incident management and documentation skills.
• Experience with change control processes.
• Excellent communication and stakeholder management.
• Knowledge of automation and scripting such as PowerShell/SQL.
• Experience with .NET technologies and middleware tools.

Responsibilities

• Maintain availability, performance and security of critical apps.
• Troubleshoot incidents and ensure service continuity.
• Support releases, upgrades, changes and DR activities.
• Collaborate with project teams for new app integrations.
• Identify process improvements and automation opportunities.
• Coordinate with vendors and internal IT teams.
• Participate in on-call and after-hours support as required.

Skills

5+ years IT experience

Enterprise apps

Windows Server

Incident management

Change control

Stakeholder management

Automation

Documentation

Troubleshooting

Monitoring

Support releases

PowerShell

Windows Batch

SQL

.NET

C#

ASP.NET

Visual Studio

IIS

WebSphere

WebLogic

UC4/Automic

SSIS

SAP PI

MV90

Intergraph G/Technologies

Education

Bachelor's degree in IT or related field

Tools

PowerShell

Windows Batch

SQL

.NET

C#

ASP.NET

Visual Studio

IIS

WebSphere

WebLogic

UC4/Automic

SSIS

SAP PI

MV90

Intergraph G/Technologies

Job description

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Application Support Specialist, IT Delivery

Vacancy Number: 29049

Category: IT - Service Management & Operations

Job Type: Full-time

Position 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

• 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.
• 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 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
• 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:

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.

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.