Senior HRIS Integration Specialist

CTG is seeking to fill a Senior HRIS Integration Specialist position for our client.

Hercules, CA

Ongoing Contract

• Lead the technical design, development coordination, testing, and support of integrations between SAP Success Factors Employee Central (EC) and external HR, payroll, and enterprise systems.

• Develop and maintain technical specifications, source-to-target mappings, transformation rules, value mappings, and data-flow documentation.

• Design, optimize, and troubleshoot Success Factors OData and Compound Employee API queries, including filters, delta extraction, effective dating, and complex employee data scenarios.

• Build, configure, and support Success Factors Integration Center jobs using CSV, EDI, OData, and SOAP formats, including scheduling, SFTP connectivity, PGP encryption, and monitoring.

• Maintain and validate integrations with ADP Celergo and ADP Global View, ensuring accurate employee data replication and timely resolution of errors.

• Collaborate with SAP Integration Suite (CPI) and Informatica IICS teams to troubleshoot interface failures, analyze messages, validate payloads, and resolve mapping and data-quality issues.

• Plan and execute integration testing, including unit, system integration, regression, and end-to-end testing across employee lifecycle events and retroactive changes.

• Provide production support by investigating integration incidents, identifying root causes, implementing corrective actions, and maintaining technical documentation and test evidence.

• Support the transition from Success Factors to Workday by assessing existing integrations, documenting requirements, redesigning data mappings, coordinating parallel testing, and preparing for migration and cutover.

• Partner with HR, Payroll, IT, middleware developers, and external vendors to manage integration dependencies, resolve issues, and ensure compliance with business and technical requirements.

• Expert-level knowledge of SAP Success Factors Employee Central integrations, including OData and Compound Employee APIs.

• Strong understanding of the Success Factors data model, including Person and Employment objects, Job Information, Compensation, MDF objects, foundation objects, picklists, and effective dating.

• Proficiency in Success Factors Integration Center configuration and support.

• Working knowledge of SAP Integration Suite (CPI) and Informatica IICS.

• Hands-on experience with ADP Celergo and ADP Global View payroll integrations.

• Proficiency in XML, JSON, CSV, and fixed-width data formats, including SFTP connectivity and PGP encryption.

• Strong technical documentation, data mapping, integration testing, defect management, and root-cause analysis skills.

• Excellent analytical, troubleshooting, communication, and stakeholder management skills.

• Ability to coordinate effectively across HR, Payroll, IT, middleware teams, and external vendors.

• Familiarity with Agile delivery methodologies.

• 8+ years of HRIS experience, including at least 5 years of hands-on SAP Success Factors Employee Central integration experience.

• 5+ years of experience developing, configuring, and supporting Success Factors Integration Center jobs.

• Extensive experience designing and troubleshooting OData and Compound Employee API queries, including complex employee data scenarios and delta extraction.

• Experience supporting payroll integrations, middleware interfaces, production environments, and enterprise data exchanges.

• Demonstrated experience with integration testing, data validation, incident resolution, and technical documentation.

• Experience supporting HRIS platform migrations, including integration assessments, requirements mapping, interface redesign, parallel testing, and cutover activities.

• Preferred exposure to Workday integrations, including EIB, Core Connectors, Workday Studio, or PECI.

• Experience working in a complex, global enterprise HRIS environment with multiple payroll providers and external vendor interfaces.

• Familiarity with JIRA ITSM for incident, problem, and change management.

• Bachelor's degree in Computer Science, Information Systems, or a related discipline, or equivalent practical experience.

• SAP Success Factors Employee Central certification preferred.

Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required.

CTG does not accept unsolicited resumes from headhunters, recruitment agencies, or fee based recruitment services for this role.

CTG, a…