HR Information Systems Specialist in London

The HR Information Systems (SuccessFactors) Manager is responsible for the configuration, maintenance, and day-to-day operation of our SAP SuccessFactors platform. The role supports the effective delivery of HR systems and processes by ensuring accurate data, reliable system performance, and a consistent user experience across the employee lifecycle.

Reporting to the Chief People Officer, this position plays a key role in supporting key modules including Employee Central, Performance and Goals, Recruitment, Learning, and People Stories. It also contributes to onboarding new users, particularly during acquisitions, by figuring fit-for-purpose structures and enabling smooth transitions into our people systems.

The role provides technical support for the Unily platform in collaboration with IT and Internal Communications, and manages the HRIS helpdesk to ensure timely and effective support for system users. There may be travel to our other sites in the UK, Ireland, and internationally, as and when required.

• Support the Delivery of the People Systems Strategy
• Assist in delivering the People Systems roadmap as directed by the Chief People Officer and in coordination with the broader People team.
• Implement system changes and updates to meet operational needs, ensuring they align with best practice and user requirements.
• Apply system knowledge to support initiatives with practical, scalable solutions.
• SAP SuccessFactors Configuration and Maintenance.
• Employee Central: Configure and maintain core data structures, including business rules, workflows, job architecture, and permissions.
• Support regular data updates, audits, and corrections to ensure ongoing accuracy and compliance.
• Performance and Goals: Maintain review templates, goal libraries, and cycle settings in line with business needs.
• Support annual and mid-year performance cycles by preparing forms, ensuring access, and assisting with reporting.
• Recruitment & Onboarding: Support the setup and maintenance of job requisition templates, approval workflows, and onboarding steps.
• Ensure recruitment and onboarding processes run smoothly through timely updates and accurate configurations.
• Learning: Maintain learning items, curricula, and assignment rules to support compliance and development programmes.
• People Stories: Build and maintain standard dashboards and reports to support people data needs.
• Provide guidance to users on accessing and using People Stories and embedded reporting tools.
• Support Integration of Acquired Entities: Configure new teams and employees into the SuccessFactors system following acquisitions.
• Set up organisational structures, permissions, and workflows based on agreed designs.
• Ensure data is entered accurately and users are onboarded with access to relevant tools and systems.
• System integration, Data Governance and Compliance: Support IT and People Operations in maintaining data flows between SuccessFactors and other systems.
• Follow data governance practices to help ensure GDPR compliance and accurate People Operations records.
• Perform regular checks to maintain consistency across platforms and support audits.
• Additional Responsibilities: Provide day-to-day technical support for the Unily communications platform, helping maintain functionality and user access.
• Operate the HRIS helpdesk, managing incoming queries and ensuring timely and helpful responses.
• Produce regular and ad hoc reports from SuccessFactors to support People Operations and HR reporting requirements.
• Create and maintain user guides, quick reference materials, and process documentation.
• Deliver training to People Operations users and people managers to support understanding of system processes and features.
• Support for system enhancements and changes: Assist with the testing and implementation of new SuccessFactors features and updates.
• Monitor system performance, user feedback, and common issues to suggest and support process improvements.

• Degree or equivalent qualification in Human Resources, Business Administration, Information Systems, or a related field.
• Additional training or certification in SAP SuccessFactors or HR Systems administration is desirable.
• 4 plus years of HRIS experience, with at least 1 to 2 years in a SuccessFactors environment.
• Strong configuration experience with Employee Central and PMGM certifications are a plus.
• Demonstrated ability to implement HR technology solutions and support change management.
• Solid understanding of GDPR HR Data governance, and access controls.
• Experience with other HR systems LMS, ATS, payroll integrations.
• Strong analytical mindset and experience in delivering HR dashboards and data storytelling.
• Excellent communication skills, able to translate technical concepts for non-technical audiences.
• Detail-oriented, organised, and able to manage competing priorities in a dynamic environment.
• Proactive and solution-focused with a can-do attitude and resilience under pressure.

CMS believes that a diverse and inclusive workforce enriches and is integral to the success of our company. We value diverse opinions and perspectives, and therefore welcome candidates from all backgrounds including but not limited to ethnicity, gender, age, nationality, culture, religious beliefs, sexual orientation, and neuro-diversity.