Senior HRIS Integration Specialist

Location -Hercules, CA onsite

Job type- W2 Contract

Exp-8+Years

Job description Below

8+ years of HRIS experience, including 5+ years of hands-on SAP SuccessFactors Employee Central integration

Key Responsibilities

• Integration Design & Documentation: Develop and maintain technical specifications, source-to-target mappings, transformation rules, value mappings, and data-flow diagrams for SuccessFactors inbound and outbound integrations.
• SuccessFactors API Expertise: Design, optimize, and troubleshoot OData and CompoundEmployee API queries, including filters, delta logic, effective dating, and complex employee data scenarios.
• Integration Center Management: Build, configure, and support Integration Center jobs using CSV, EDI, OData, and SOAP formats, including scheduling, SFTP connectivity, PGP encryption, and monitoring.
• Payroll Integration Ownership: Maintain and validate SuccessFactors integrations with ADP Celergo and ADP GlobalView, ensuring accurate employee data replication, mapping consistency, and timely resolution of replication errors.
• Middleware Collaboration: Partner with SAP Integration Suite (CPI) and Informatica IICS teams to troubleshoot interface failures, trace messages, validate payloads, and resolve mapping and data-quality issues.
• Testing & Quality Assurance: Plan and execute unit, system integration, regression, and end-to-end testing for hires, rehires, transfers, global assignments, concurrent employment, terminations, and retroactive changes.
• Production Support & Governance: Investigate integration incidents, identify root causes, implement corrective actions, maintain integration documentation, and provide formal HRIS sign-off with supporting test evidence.
• Workday Transition Support: Assess existing integrations, document business and technical requirements, support mapping redesign, evaluate integration options, and participate in parallel testing, migration, and cutover activities.
• Stakeholder Management: Coordinate with HR, Payroll, IT, middleware developers, and vendor partners to resolve dependencies, manage changes, and ensure integrations meet business and compliance requirements.

Required Qualifications

• Bachelor's degree in Computer Science, Information Systems, or a related discipline, or equivalent practical experience.
• 8+ years of HRIS experience, including at least 5 years of hands-on SAP SuccessFactors Employee Central integration experience.
• Strong understanding of the SuccessFactors data model, including Person and Employment objects, Job Information, Compensation, MDF objects, foundation objects, picklists, and effective dating.
• Expert-level proficiency in SuccessFactors OData and CompoundEmployee APIs, including query development, delta extraction, filtering, and troubleshooting.
• At least 5 years of experience developing and supporting SuccessFactors Integration Center jobs.
• Working knowledge of SAP Integration Suite (CPI) and Informatica IICS, including the ability to trace integration flows, analyze messages, and collaborate with middleware developers on issue resolution.
• Hands-on experience with ADP Celergo and ADP GlobalView payroll integrations.
• Proficiency in XML, JSON, CSV, and fixed-width data formats, along with SFTP connectivity and PGP encryption.
• Experience in integration testing, defect management, root-cause analysis, and production support.
• Strong analytical, documentation, and communication skills, with the ability to work effectively across HR, Payroll, IT, and external vendor teams.
• Experience working in Agile delivery environments.

Preferred Qualifications

• Current SAP SuccessFactors Employee Central certification.
• Exposure to Workday integrations, including EIB, Core Connectors, Workday Studio, or PECI.
• Experience supporting HRIS platform migrations, including integration inventory assessment, interface redesign, data mapping, parallel testing, and cutover.
• Familiarity with JIRA ITSM for incident, problem, and change management.
• Experience working in a complex, global enterprise HRIS environment with multiple payroll providers and external vendor interfaces.

Key Success Factors

• Reliable and accurate employee data exchange across HR, payroll, and downstream enterprise systems.
• Proactive identification and resolution of integration failures, data discrepancies, and recurring production issues.
• High-quality technical documentation, comprehensive test coverage, and traceable HRIS sign-off.
• Effective collaboration with middleware teams, payroll vendors, and business stakeholders.
• Strong contribution to Workday transition through integration readiness, redesign, and cutover support.