Systems Integration Developer

EirGrid Group; Dublin; On-site; EUR 65,000 - 90,000; Full time

Job summary

EirGrid Group is seeking a System Integration Developer to join the Data Engineering Team in Ireland. You will contribute to real-time and ex-post data delivery across platforms supporting the Power System and wholesale energy markets.

You will design, develop and maintain data engineering solutions and collaborate with IT stakeholders to shape future data capabilities. With 4+ years in software development, you will work in a complex, data-intensive environment, applying Oracle PL/SQL, .NET/C#,

Qualifications

• 4+ years in software development, ideally in data‑intensive environments.
• Strong proficiency in Oracle PL/SQL, .NET, C#, ASP.NET and Visual Studio.
• Experience with Webservices, APIs and API tools and secure data handling.
• Experience with Oracle and SQL Server data processing and API integration.
• Understanding of data risk, quality and governance.

Responsibilities

• Develop, test and maintain real-time and ex-post data delivery solutions.
• Collaborate with Leads to implement technical designs and reviews.
• Participate in design discussions and continuous improvement initiatives.
• Ensure quality through testing, documentation and coding standards.
• Support data platform integration across applications and APIs.
• Troubleshoot production and development issues; mentor junior team members.
• Represent the team in engagements with IT Architecture, security and vendors.

Skills

Oracle PL/SQL

C#

ASP.NET

Webservices/APIs

SQL Server

API development

PowerShell

Python

Data quality

Team collaboration

Tools

Visual Studio

IIS

SOAPUI

Postman

Job description

We are at the heart of Ireland’s energy transition - connecting, operating and transforming the electricity grid to support a low carbon, renewable future.

We are building talented teams that tackle real world challenges every day and help us to achieve our goal to prepare the grid to carry up to 80% of Ireland’s electricity from renewable sources.

We are proud to be a certified Great Place to Work, recognised for our culture built on trust, collaboration and inclusion. At EirGrid you will find supportive teams, opportunities to grow and meaningful work. We also offer secure employment with a range of flexible and family friendly working policies to support your life and wellbeing. If you want to know more about what EirGrid has to offer you, visit .

If you are ready to make an impact and grow your career in a purpose-led organisation, your journey starts here.

The Opportunity

EirGrid’s Data Engineering Team is accelerating its Transformation Programme and is looking for a System Integration Developer. The successful candidate will be a member of the team delivering real-time and ex-post data to a complex suite of platforms and applications that support both the Power System and wholesale Energy market in Ireland. The successful candidate will contribute to shaping the future direction of the Data Engineering discipline within EirGrid through the design, development and maintenance of data engineering solutions to stakeholders industry wide.

Key Responsibilities

• Develop, test, and maintain software solutions that support real-time and ex-post data delivery.
• Collaborate with the Lead Data and Systems Engineer and Senior Specialist to implement technical designs.
• Participate in code reviews, solution design discussions, and continuous improvement initiatives.
• Ensure software quality through comprehensive testing, documentation, and adherence to coding standards.
• Support the integration of data platforms and APIs across the application landscape.
• Troubleshoot and resolve complex technical issues in production and development environments.
• Contribute to the evolution of internal development practices and tools.
• Support, mentor and coach more junior team members in the development of their skills and experience
• Represent the team both internally and externally in technical engagements with IT Architecture, Enterprise Security, industry stakeholders, software vendors, data consumers, our strategic partners etc.

Knowledge, Skills And Experience

• A minimum of 4+ years of experience in software development, ideally in data-intensive environments.
• Strong proficiency in Oracle PL/SQL, .NET, C#, ASP.NET, and Visual Studio.
• Comprehensive knowledge of: Webservices, APIs and API Tools e.g. IIS, SOAPUI, Postman, Security Certificate usage
• Experience with data processing in Oracle and SQL Server environments.
• Familiarity with API development and integration for supporting data flow between applications.
• Understanding of the risks associated with data management - including data handling, classification and data quality.
• Strong problem-solving skills, demonstrating an understanding of inter-dependencies across a complex application landscape
• A self-starter with an ability to work independently or as part of a team.
• Strong communication skills with the ability to engage with both technical and non-technical stakeholders.
• Working knowledge of scripting and automation tools (e.g., PowerShell, Python).

Closing date for applications

21/08/2026

Please note we receive a high volume of applications, and as every application is carefully reviewed our response time may vary. If you agree to be considered for other roles this may result in a delayed response as we establish the best fit for your experience. We appreciate your patience.

We value potential as much as experience.

We’re dedicated to diversity and inclusion at EirGrid. We recognise the strength that comes from having a diverse workforce and the importance of a supportive culture for all our people to achieve their potential. Our diversity and inclusion networks have been designed to create an inclusive culture that enables our people to feel a sense of belonging at work.

As an equal opportunities’ employer, we welcome applications from people of all backgrounds. Reasonable accommodations are offered at every stage of our recruitment process.