# Senior HCM / SuccessFactors Workstream Lead – SAP S/4HANA

### Role Overview The Senior HCM / SuccessFactors Workstream Lead will provide functional leadership for the SAP HCM and SuccessFactors workstream within a large-scale SAP S/4HANA transformation for an Aerospace & Defense (A&D;) customer.

The role will oversee the end-to-end HCM and SAP SuccessFactors solution, covering core HR, employee lifecycle, talent management and related HR processes, while ensuring seamless integration with S/4HANA, FI, EPPM, Manufacturing, MRO, MES/PEO and other SAP/non-SAP systems.

The Workstream Lead will be responsible for solution design, functional governance, team leadership, integration, data migration, testing, cutover, go-live and stabilization for the HCM/SF stream.

## Key Responsibilities

### HCM / SuccessFactors Solution Leadership

Own the end-to-end HCM / SuccessFactors functional solution and delivery.

Lead the HCM/SF functional team and coordinate activities across all relevant submodules.

Define and govern the solution aligned with SAP best practices and A&D; business requirements.

Lead Fit-to-Standard / Fit-to-Gap workshops and drive HR process harmonization.

Review and approve functional designs, configurations and key solution decisions.

Ensure effective integration between S/4HANA HCM and SuccessFactors.

Manage workstream risks, issues, dependencies and change requests.

Ensure consistent HR processes across entities while addressing legitimate local requirements.

### HCM / SuccessFactors Submodule Oversight

Provide functional leadership across relevant areas, including:

#### SAP HCM / Core HR

Organizational Management (OM)

Personnel Administration (PA)

Employee lifecycle management

Position and organizational structures

Personnel actions

Time Management / Time Evaluation

Attendance and absence management

Payroll, where applicable

Employee master data

HR reporting and analytics

#### SAP SuccessFactors Talent Suite

Employee Central

Recruiting

Onboarding

Performance & Goals

Learning

Compensation

Succession & Development

Career Development

Talent Intelligence / Workforce Analytics, where applicable

Other SuccessFactors capabilities within scope

### HR Process & Operating Model

Ensure consistent employee lifecycle processes from hire to retire.

Drive harmonization of HR processes across the four entities.

Ensure organizational structures, positions, jobs and employee data are appropriately designed.

Align HR processes with the customer's target operating model.

Ensure appropriate balance between global/template processes and local statutory requirements.

Support HR business process owners in solution decisions and process design.

### S/4HANA & SuccessFactors Integration

Oversee integration between HCM/SF and the broader SAP ecosystem, including:

S/4HANA Finance – organizational and employee-related financial integration.





EPPM – project workforce and resource-related processes, where applicable.

Manufacturing – workforce, skills, qualifications and shop-floor resource requirements.

MRO – workforce and maintenance resource-related processes.

MES / PEO – workforce, labor, skills and operational data where applicable.

SAP/non-SAP applications – enterprise identity, payroll, benefits, recruitment and other HR platforms.

Integration through SAP Integration Suite / middleware / APIs, as applicable.

Ensure end-to-end integration scenarios are designed, tested and production-ready.

### HR Master Data & Migration

Define HCM/SF master data migration requirements.

Oversee employee, organizational, position, job and related HR data migration.

Coordinate data cleansing, mapping, transformation and validation.

Ensure employee and organizational data consistency between S/4HANA and SuccessFactors.

Support mock migration cycles and final cutover migration.

Ensure data quality and business sign-off before go-live.

### Testing & Quality

Define HCM/SF testing strategy and scenarios.

Lead participation in Unit Testing, SIT, E2E, Regression and UAT.

Ensure end-to-end employee lifecycle scenarios are tested.

Validate integrations between SuccessFactors, S/4HANA and third-party HR systems.

Manage functional defects and coordinate resolution with technical/integration teams.

Ensure critical HR processes are fully validated before go-live.

### Security, Compliance & Data Privacy

Ensure HCM/SF solution supports appropriate employee data security and access controls.

Coordinate with security teams on role and authorization requirements.

Ensure appropriate segregation of sensitive HR data.

Support compliance with applicable local and organizational HR requirements.

Ensure HR data privacy and security considerations are incorporated into solution design and integrations.

### Cutover, Go-Live & Hypercare

Own HCM/SF cutover activities and dependencies.

Coordinate employee and organizational master data migration.

Ensure integrations, workflows, roles and applications are production-ready.

Support go/no-go readiness assessments.

Lead HCM/SF activities during go-live and hypercare.

Ensure stabilization of critical HR and talent processes following deployment.

### Team & Stakeholder Management

Lead and mentor the HCM/SF functional team.

Coordinate SAP HCM, SuccessFactors consultants, HR SMEs and business process owners.

Act as the primary functional interface for HR leadership and stakeholders.

Work closely with Functional and Enterprise Solution Architects.





Coordinate with the Business Integrator (BI), System Integrator (SI) and Transformation Management Office (TMO).

Provide HCM/SF status, risks, issues, dependencies and decisions to program leadership.

## Key Deliverables

HCM/SF Solution Design

HR Process & Configuration Blueprint

Fit-to-Standard / Fit-to-Gap Outcomes

HCM/SF Integration Requirements

HR Master Data Migration Requirements

HCM/SF Test Strategy & Scenarios

Defect & Issue Resolution

HCM/SF Cutover Plan

Go-Live Readiness Assessment

Hypercare & Stabilization Plan

## Required Experience

10–15+ years of SAP HCM / SuccessFactors experience, including significant S/4HANA transformation experience.

Proven experience as an SAP HCM Lead / SuccessFactors Lead / HCM Workstream Lead.

Strong experience across SAP HCM and multiple SuccessFactors modules.

Strong understanding of Employee Central and core HR processes.

Experience leading HCM/SF teams in complex transformation programs.

Robust integration experience between SuccessFactors and S/4HANA.

Experience with HR data migration, testing, cutover and go-live.

Strong stakeholder management and communication skills.

## Preferred Experience

Aerospace & Defense industry experience.

Large-scale S/4HANA transformation experience.

Strong SuccessFactors Talent Suite experience.

Employee Central implementation experience.

Experience across Recruiting, Onboarding, Performance & Goals, Learning, Compensation and Succession.

SAP HCM Time Management / Payroll experience.

Experience with SAP Integration Suite / APIs.

Multi-entity / multi-country HCM implementations.

Experience with complex workforce environments, manufacturing or plant operations.

SAP Activate methodology.

- Relevant SAP SuccessFactors certifications.

## Ideal Candidate Profile The ideal candidate is a senior HCM/SF professional who combines strong HR process expertise with SuccessFactors product knowledge, integration capability and workstream leadership.

They should be able to connect:

Organizational Structure → Employee Lifecycle → Core HCM → SuccessFactors Talent → Workforce → S/4HANA → Finance → Manufacturing/MRO → MES/PEO and ensure that the HCM/SF landscape operates as an integrated component of the broader A&D; transformation.

The candidate should demonstrate strong ownership, solution-oriented thinking, stakeholder management and the ability to drive the HCM/SF workstream from design through build, integration, data migration, testing, cutover, go-live and stabilization.

### Success Measure The Workstream Lead will be successful when the customer has a standardized, integrated, secure and business-ready HCM/SF solution supporting the complete employee lifecycle and talent processes, with accurate employee/organizational data, robust S/4HANA integrations and full readiness for go-live.

Skills

Human Capital Management

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