Senior HRIS Integration Specialist

Computer Task Group, Inc•Hercules, CA

About The Position

CTG is hiring a Senior HRIS Integration Specialist for a client in Hercules, California, on an ongoing contract. The specialist will lead the design, development coordination, testing, and support of integrations between SAP SuccessFactors Employee Central and external HR, payroll, and enterprise systems. The role covers integration specifications and mappings, SuccessFactors APIs and Integration Center jobs, ADP payroll integrations, middleware troubleshooting, testing, production support, and technical documentation. The specialist will also support a transition from SuccessFactors to Workday by assessing current integrations, documenting requirements, redesigning mappings, coordinating parallel testing, and preparing for migration and cutover. The position works across HR, Payroll, IT, middleware teams, and external vendors to manage dependencies and resolve integration issues.

Requirements

8 or more years of HRIS experience, including at least 5 years of hands-on SAP SuccessFactors Employee Central integration experience.
5 or more years of experience developing, configuring, and supporting SuccessFactors Integration Center jobs.
Expert-level knowledge of SAP SuccessFactors Employee Central integrations, including OData and CompoundEmployee APIs.
Strong understanding of the SuccessFactors data model, including Person and Employment objects, Job Information, Compensation, MDF objects, foundation objects, picklists, and effective dating.
Extensive experience designing and troubleshooting OData and CompoundEmployee API queries, including complex employee data scenarios and delta extraction.
Working knowledge of SAP Integration Suite (CPI) and Informatica IICS.
Hands-on experience with ADP Celergo and ADP GlobalView payroll integrations.
Proficiency in XML, JSON, CSV, and fixed-width data formats, including SFTP connectivity and PGP encryption.
Experience supporting payroll integrations, middleware interfaces, production environments, and enterprise data exchanges.
Demonstrated experience with integration testing, data validation, incident resolution, and technical documentation.
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.
Experience supporting HRIS platform migrations, including integration assessments, requirements mapping, interface redesign, parallel testing, and cutover activities.
Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group.
Bachelor's degree in Computer Science, Information Systems, or a related discipline, or equivalent practical experience.

Nice To Haves

SAP SuccessFactors Employee Central certification.
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.
Familiarity with Agile delivery methodologies.

Responsibilities

Lead technical design, development coordination, testing, and support of integrations between SAP SuccessFactors Employee Central 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 SuccessFactors OData and CompoundEmployee API queries, including filters, delta extraction, effective dating, and complex employee data scenarios.
Build, configure, and support SuccessFactors 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 GlobalView, 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 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 SuccessFactors 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.