Oracle Functional Specialist

Role & responsibilities

• Lead HCM, Core HR, and Payroll workshops to confirm target-state business

processes and country/legal entity requirements for the separated organization.

• Assess source HCM configuration and define what should be migrated, rebuilt,

simplified, localized, or retired in the target instance.

• Define functional rules for legal employers, payroll statutory units, payroll

relationships, departments, jobs, grades, positions, locations, work schedules,

eligibility, assignments, and employment terms.

• Define payroll conversion rules for employee payroll data, balances, elements,

costing, tax details, payment methods, arrears, deductions, retro rules, and year-to-

date requirements.

• Validate HCM security model, data roles, abstract roles, line manager hierarchy,

areas of responsibility, and data access controls for the divested business.

• Approve HCM and payroll source-to-target mappings prepared by the data migration

specialist.

• Lead payroll parallel testing, HR process testing, system integration testing, user

acceptance testing, and defect triage.

• Coordinate dependencies with OTL, Projects, Finance, Procurement, identity

management, benefits, third-party payroll/tax providers, banks, and reporting teams.

• Define cutover steps for HR data freeze, final payroll processing, time transfer,

balance extraction, employee communications, and post-load validation.

• Support hypercare for employee record issues, payroll calculation defects,

time/payroll transfers, security access issues, and regulatory reporting impacts.

Required skills and experience

• Strong functional expertise in Oracle Fusion HCM, Core HR, and Payroll.

• Understanding of workforce structures, person records, assignments, employment

models, payroll relationships, elements, balances, costing, taxes, deductions, and

payment methods.

• Experience with HCM Cloud implementations, divestitures, carve-outs, or payroll

migrations.

• Ability to define conversion rules and validate HDL/HSDL migration outputs from a

business perspective.

• Strong knowledge of HCM security, roles, data access, manager hierarchy, and

privacy-sensitive employee data handling.

• Experience leading payroll parallel testing, reconciliation, statutory validation, and

post-go-live payroll support.

• Ability to coordinate cross-functional dependencies with OTL, Projects, Finance,

integrations, reporting, and identity/access management.

• Strong stakeholder management, workshop facilitation, testing, and signoff skills.

Key deliverables

• HCM, Core HR, and Payroll functional design and configuration validation document.

• HCM/payroll conversion rulebook and functional approval of mapping.

• Payroll parallel testing plan and reconciliation criteria.

• HCM security and data access validation checklist.

• HR/payroll cutover plan inputs and business readiness checklist.

• UAT scripts, defect log, decision log, and signoff evidence.

• Hypercare triage guide for HR and payroll issues.

Success measures

• Target HCM and payroll configuration supports legal, operational, and payroll

processing requirements.

• Employee, assignment, payroll, and security data passes business validation.

• Payroll parallel results reconcile to approved thresholds before go-live.

• HR and payroll owners provide formal go-live readiness signoff.

Typical collaboration points

Works closely with HCM Data Migration, Payroll SMEs, OTL Functional Leads,

Projects/OTL, Finance, Security, Identity Management, Reporting, Integration Developers,

and HR Operations.