Junior Data Analyst

Dublin, Dublin County, Republic of Ireland Contract IT Support & Infrastructure

Reference: 123768_1793264208

Overview

An exciting opportunity has arisen for a Junior Data Analyst to join a large-scale transformation and data migration programme. The successful candidate will support critical data migration activities, ensuring high levels of data quality, validation, reconciliation, testing, and issue resolution.

This role is ideal for a hands-on analyst who enjoys working with data, investigating issues, and collaborating with business and technical stakeholders to deliver accurate and reliable outcomes. The position is focused on practical data analysis and migration support rather than data science, machine learning, or AI.

Key Responsibilities

  • Support data migration activities across multiple workstreams.
  • Perform data extraction, validation, reconciliation, and quality assessments.
  • Identify, investigate, and resolve data anomalies and data quality issues.
  • Support testing and UAT activities, including defect tracking and issue management.
  • Create and maintain documentation such as data mappings, issue logs, audit trails, and test evidence.
  • Engage with business users and SMEs to clarify requirements and resolve outstanding issues.
  • Ensure data is accurate, complete, and migration-ready.
  • Manage multiple priorities while meeting agreed project deadlines.

Required Skills & Experience

  • 2-4 years' experience in a Data Analyst, Data Migration Analyst, Technical Analyst, or similar position.
  • Strong SQL skills for querying, analysing, validating, and investigating data.
  • Advanced Excel expertise, including:
    • XLOOKUP / VLOOKUP
    • INDEX / MATCH
    • IF / IFS
    • SUMPRODUCT
    • Power Query
  • Experience with data cleansing, reconciliation, validation, and data quality processes.
  • Experience supporting testing and UAT activities.
  • Strong analytical and problem-solving abilities.
  • Excellent organisational skills with the ability to manage multiple concurrent tasks.
  • Strong stakeholder engagement and communication skills.
  • Proactive approach with excellent attention to detail.

Desirable Experience

  • Exposure to Power BI.
  • Experience working on data migration programmes.
  • Previous experience within banking, financial services, regulatory, credit, or other highly regulated environments.

Candidate Requirements

  • Must be currently based in Ireland.
  • Must be available to commence work immediately.
  • Comfortable working onsite in Dublin three days per week.
  • Ability to work independently while collaborating effectively with wider project teams.

GCS is acting as an Employment Business in relation to this vacancy.

€250.00 - €290.00
Per day
EUR250 - EUR290 per day

Dublin, Dublin County, Republic of Ireland Contract IT Support & Infrastructure

Added 29/10/2026
Reference: 123768_1793264208

Junior Data Analyst

Dublin, Dublin County, Republic of Ireland Contract IT Support & Infrastructure

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