Oracle HCM Architect

Job Description

. We are seeking an experienced Historical Data Migration Architect to lead enterprise-scale Oracle HCM Cloud data migration programmes.

. The ideal candidate will bring deep expertise in Oracle HCM Cloud data migration strategy, historical payroll data conversion, governance, and large-scale transformation delivery within complex environments, including public sector organisations.

. This role will be responsible for defining and governing the end-to-end migration strategy, managing historical data transformation and reconciliation, and ensuring accurate, secure, and compliant migration into Oracle HCM Cloud.

Key Responsibilities

. Strategy & Planning Define and own the end-to-end Data Migration Strategy including scope, approach, tooling, timeline, and resource planning aligned with programme objectives

. Conduct legacy system assessments and data landscape analysis to identify migration complexity, data quality gaps, risks, and dependencies

. Establish Data Migration Governance Frameworks including RACI matrices, escalation processes, sign-off procedures, and cutover decision gates

. Develop and maintain Migration Project Plans (MPP) with tracking for mock migrations, rehearsals, and production cutovers

. Define data retention, archiving, and disposal strategies for historical records outside migration scope

. Design & Architecture Lead source-to-target mapping workshops with HR, Payroll, and IT stakeholders covering Core HR, Payroll, Absence, Talent, Position, Assignment History, and related HCM objects

. Design and implement Oracle HCM Cloud HDL and HSDL templates aligned to transformation and legacy data requirements

. Architect payroll balance migration strategies including year-to-date, period-to-date, and statutory balances

. Define enterprise-wide data cleansing, transformation, and enrichment rules to improve migration quality

. Establish robust reconciliation and audit frameworks to validate migrated data accuracy and completeness

Required Qualifications

. Experience 10 - 15 years of experience in HR IT consulting, enterprise data migration delivery, and Oracle HCM Cloud implementations

. Proven track record leading large-scale Oracle HCM Cloud migration workstreams from Discovery through Hypercare

. Experience leading complex historical payroll migrations including balance conversion and reconciliation

. Strong experience producing migration artefacts including: Migration Strategy

. Documents Source-to-Target Mapping Specifications Transformation Rules Data Quality Scorecards Cutover Runbooks Reconciliation Reports Oracle HCM Cloud Expertise

. Experience leading or co-leading data migration workstreams in at least 3+ end-to-end Oracle HCM Cloud implementations

. Minimum one implementation involving full payroll migration or parallel payroll balance upload

. Strong expertise in: Oracle HDL (HCM Data Loader) HSDL (HCM Spreadsheet Data Loader)

. Oracle HCM Cloud Data Architecture Payroll Balance Migration Historical HR Data Conversion

Preferred Skills

. Strong stakeholder and programme management capabilities

. Expertise in ETL processes, SQL, and enterprise data transformation tools

. Knowledge of GDPR and enterprise data governance frameworks

. Experience in large-scale transformation and cloud migration programmes

. Strong analytical, leadership, and communication skills