Data Platform Engineer
In our world things change by the millisecond Join us as a Data Platform Engineer Reporting into the Data Platform Manager in Three’s IT & Networks The skills we are looking for are:
We build the technology that creates amazing moments and better connects our customers. Ready to play your part? Join us and Be Phenomenal. Working towards the same shared goal of better connectivity, our tech teams enjoy a high degree of freedom. We love hearing ideas and seeing them come to life. With great resources, you’ll get to be part of a team at the foundations of the transformation of our business. Who knows what the next innovation will be? That’s what makes a career at Three so exciting.
Since we set foot in Ireland, we’ve done things differently
Investing in infrastructure, we built a network that now connects 2.2 million customers nationwide, carrying more data than all alternative telecommunications providers combined. We take the script and rip it up, we’re a big-hearted energetic bunch, striving for a better connected life. We encourage our employees to face their weaknesses, to really open themselves up to new tasks and projects in a super-charged and rich learning environment. We want you to become the best version of yourself.
department, the role holder will primarily be responsible for Data Science
infrastructure, building out scalable code and managing deployments.
They will build and support Data Science Models and be responsible for end to
end deployments, they will develop ETL processes and reports, investigate and
fix issues with data pipelines and analysis that give actionable insight and
add value to our business.
They will champion the benefits of Data Science technologies owned by the Data
and AI Tribe, and drive adoption of the tools by decision makers. They will
coach and mentor others within the Data Management team and across the
business.
As a key part of the Data and AI Tribe in Three, the candidate will have the
chance to make a difference to the business by helping design, build and manage
common data platform components.
What else it involves:
etc).
systems as required
the impact of changes and source issues on our outputs.
colleagues.
and ETL best practice and ensure all relevant standards are met
preferably).
ETL pipelines clearly
solutions.
Benefits of Working at Three
You may think you know us, but we’re full of surprises. Intrigued? Join us and Be Phenomenal. Apply now at: https://www.three.ie/careers
Three Ireland is proud to be an equal opportunities employer. If you do not ‘tick every box’ in the job description above, there are likely other valuable attributes and skills you have that would make you a great fit for the team. If you feel this role is for you, then please apply! We are committed to equal employment and growing a diverse workforce.
We embrace those of any race, gender identity, sexual orientation, age, religion, disability, marital status, family status, civil status or membership of the traveler community, and we want our teams to reflect this!
If you require reasonable adjustments at interview, please let us know when scheduling your interview, or alternatively please email recruitment.support@three.ie

Three is Ireland’s largest mobile telecommunications provider with 48.4% market share and 4.9 million customers (as of December 2024).
At Three we strive to provide our customers with a better-connected life through meaningful products, best in class service and a connected network experience.
Our network is built for data; with over 94% 5G coverage and 99% 4G coverage.
Three has over 1,300 employees throughout Ireland, with our head office in Dublin, our Customer Experience Centre in Limerick where our award-winning team supports over 1.7 million customers every year, and more than 60 retail stores nationwide.
Three has to date invested over €2 billion in building our business in Ireland. This includes a €1.1 billion investment in upgrading and expanding our network and IT infrastructure, delivering a cutting-edge experience for both our customers and our employees.
Annually, Three continues to invest over €100 million into our network to ensure we continue to deliver the best experience and service for our customers.
Our Parent Company
CK Hutchison
Three is owned by CK Hutchison Holdings (CK Hutchison). CK Hutchison is a renowned multinational conglomerate committed to innovation and technology with businesses spanning the globe. With operations in about 50 countries/markets and over 300,000 employees worldwide, CK Hutchison has four core businesses - ports and related services, retail, infrastructure and telecommunications.