Overview

eir business talent is looking to hire a Data Analyst for a 3-month contract position based in Dublin operating on a hybrid working model (2 days onsite per week)
 
The Data Analyst supports data migration initiatives by defining, validating and governing source-to-target data mappings between legacy systems and target platforms. The role ensures data quality, transformation logic and mapping readiness for ETL development, testing and deployment.

Key Responsibilities

  • Define and maintain source-to-target data mappings for all in-scope data objects
  • Analyse legacy system data structures and identify data quality issues, gaps, and inconsistencies
  • Gather and document target system data requirements in collaboration with stakeholders
  • Develop and maintain mapping workbooks across defined data domains
  • Define mapping logic including:direct field mappings,data transformations and business rules,lookup/reference value mappings,default values and calculated fields
  • Identify and resolve mapping issues such as missing fields, conflicting definitions, and unclear data ownership
  • Define data object dependencies and sequencing for migration (e.g., master data before transactional data)
  • Facilitate workshops with SMEs, vendors, and technical teams to validate mapping decisions
  • Maintain version control and change management for mapping documentation
  • Ensure all mappings are testable, auditable, and formally signed off
  • Provide input to ETL design, migration build, and testing planning

 Requirements

  • Strong data analysis and data profiling skills
  • Experience with data mapping, data migration, or ETL projects
  • Understanding of relational databases and data structures
  • Ability to define and document transformation logic and business rules
  • Proficiency in Excel (advanced mapping workbooks, lookup tables, data reconciliation)
  • Familiarity with data quality assessment and cleansing techniques
  • Exposure to ETL tools (e.g., Informatica, Talend, SSIS, or similar) – desirable

Business & Analytical Skills

  • Strong analytical and problem-solving skills
  • Ability to interpret complex legacy data systems
  • Attention to detail with strong data accuracy focus
  • Ability to translate business requirements into technical mapping rules
  • Strong documentation and data governance awareness

Communication & Stakeholder Skills

  • Experience working with SMEs, IT teams, and vendors
  • Strong workshop facilitation and requirement gathering skills
  • Ability to manage ambiguity and conflicting data definitions
  • Strong written documentation and reporting skills

 
Candidates should hold appropriate RTWs for Ireland i.e. Stamp1G Spousal, Stamp 4, Irish/British/EU passport. 
For more information please apply here or contact [email protected]

Ref:EBT8133

Candidates must be eligible to work full time and long term in the location specified or currently hold a valid appropriate long term work Visa to apply.
  
eir business talent, eir business and our clients are equal opportunity employers who seeks to recruit and appoint the best available person for a job regardless of marital / civil partnership status, sex (including pregnancy), age, religion, belief, race, nationality and ethnic or national origin, colour, sexual orientation or disability. eir business talent, eir business and our clients apply all relevant Data Protection laws when processing your Personal Data.
  
If you choose to apply to this opportunity and share your CV or other personal information with eir business talent, eir business and our clients, these details will be held by us in accordance with our privacy policy used by our recruitment team to contact you regarding this or other relevant opportunities at eir business talent and eir business.