HRIS Specialist

Job Title: HRIS Specialist Industry: Health & Wellness Location: Chicago, IL Assignment Type: Contract – Ongoing Pay: $40.00 – $48.00 / Per hour Work Schedule: Monday–Friday, 8:00 AM–5:00 PM, Hybrid schedule with flexibility; 2 to 3 days typically on site, rest remote Benefits: This position is eligible for medical, dental, vision, and 401(k). About The Company A global health and wellness technology organization is seeking an experienced HRIS Integration Specialist to support ongoing system initiatives and acquisition-related integrations. The organization operates in a fast-paced, collaborative environment and leverages technology and data to support its growing workforce. Job Description The HRIS Integration Specialist will provide hands‑on support for ADP implementations, system enhancements, and the integration of employees resulting from recent acquisitions. This position will work closely with HR, Payroll, IT, and other business partners to ensure employee data and organizational structures are accurately transitioned and maintained within ADP. The ideal candidate has strong ADP expertise and previous experience supporting HRIS implementations, acquisitions, or other complex system integration projects. Key Responsibilities Support ADP implementation and integration projects across multiple business initiatives. Assist with transitioning employees from two recent acquisitions into the company's ADP environment. Build and maintain organizational structures, departments, locations, employee groups, and other system configurations. Coordinate employee data conversion, mapping, system setup, and validation activities. Collaborate with HR, Payroll, IT, and additional stakeholders to ensure HRIS requirements are properly configured. Investigate and resolve system issues involving data, workflows, integrations, and configuration. Participate in system testing and quality checks before changes are moved into production. Audit employee and organizational information to identify discrepancies and maintain data integrity. Partner with internal teams and external ADP contacts throughout implementation and integration activities. Provide ongoing assistance with ADP enhancements, updates, and special HRIS projects. Qualifications Previous hands‑on experience working with ADP is required. Prior experience supporting HRIS implementations and acquisition integrations is required. Strong understanding of HRIS data structures, system configuration, and employee data management. Experience with data migration, mapping, auditing, and validation. Ability to troubleshoot HRIS issues and determine appropriate solutions. Comfortable partnering across HR, Payroll, IT, and other business functions. Strong attention to detail with an emphasis on data accuracy. Ability to manage multiple priorities and work independently in a project‑focused environment. Additional Details Ongoing contract opportunity. Hybrid work environment with flexibility around onsite days. Role will have significant involvement in current acquisition integration and implementation projects. Perks Flexible hybrid schedule. Hands‑on involvement in high‑impact HR technology projects. Opportunity to gain additional acquisition and HRIS integration experience. Collaborative exposure across HR, Payroll, IT, and business leadership. Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran, in accordance with applicable federal, state, and local laws. Reasonable accommodation is available for qualified individuals with disabilities upon request.

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