Act as Senior Technical Integration Consultant for a global Oracle HCM to ADP payroll outsourcing project
Support the project from kick-off through implementation, rollout, testing, and hypercare
Analyze, assess, and adapt available Oracle HCM standard connectors for ADP, especially in relation to local country-specific payroll requirements
Support integration scenarios for ADP GlobalView and/or ADP Celergo, depending on project scope and country rollout
Design and implement custom integrations between Oracle HCM Cloud and ADP where standard connectors are not sufficient
Define and validate payroll-relevant data mappings between Oracle HCM and ADP
Work with Oracle HCM Extracts, HDL, BI Publisher, APIs, OIC or comparable middleware/integration technologies
Coordinate technical interface requirements with ADP, internal IT, HR, payroll, and local country stakeholders
Support multiple country implementations and rollouts running in parallel
Prepare and facilitate technical integration workshops
Support SIT, UAT, payroll parallel runs, defect resolution, and cutover activities
Analyze interface errors, data quality issues, and payroll integration defects
Create and maintain technical documentation, interface specifications, mapping documents, and handover materials
Support knowledge transfer to the internal client team

Several years of experience as a technical consultant in Oracle HCM Cloud environments
Proven hands-on experience with Oracle HCM integrations, ideally in global payroll transformation or payroll outsourcing projects
Strong experience with integrations between Oracle HCM and external payroll providers
Ideally previous project experience with ADP GlobalView, ADP Celergo, or other ADP payroll solutions
Good understanding of payroll-relevant HR master data, compensation data, organizational data, employee lifecycle events, and country-specific payroll requirements
Experience with Oracle HCM integration technologies such as: HCM Extracts, HDL / HSDL, BI Publisher, REST / SOAP APIs, Oracle Integration Cloud / OIC
Ability to translate global and local payroll requirements into scalable integration designs
Experience in complex international rollout environments with multiple countries running in parallel
Strong analytical skills in data mapping, interface design, defect analysis, and issue resolution
Experience working with external payroll providers, implementation partners, and distributed global teams
Senior stakeholder management skills across HR, payroll, IT, vendors, and local country organizations
Hands-on, structured, and delivery-oriented working style
Ability to work independently in a fast-paced project environment with tight timelines
Fluent English, spoken and written.

Senior Oracle HCM, ADP Payroll Integration Consultant - Freelance

Key skills