Senior HRIS Administrator; Dayforce​/Workday

The Senior HRIS Administrator serves as a key technical and strategic partner within the HR Department, responsible for the advanced administration, optimization, and governance of Mintz’s HRIS platform (Ceridian Dayforce). This role provides expert-level support in system configuration, complex reporting, analytics, and process design and implementation across HR functional areas, including Benefits, Payroll, and HR Operations.

The Senior HRIS Administrator collaborates with HR leadership internal stakeholders to evaluate and enhance HR technology, drive process automation, and ensure data accuracy and compliance. The role will independently lead HRIS-related projects, oversee firmwide reporting capabilities, and provide guidance to HR team members and system users.

This position requires prior experience in a law firm or professional services setting, strong benefits-related HRIS expertise, and the ability to operate with a high degree of autonomy and sound judgment. The role reports to the Manager, HR Technology and Operations.

• Serve as a subject matter expert and point of escalation for complex HRIS and data-related issues.
• Lead system enhancements and configuration projects, including requirements gathering, testing, documentation, and rollout.
• Optimize Dayforce modules and workflows across HR functions, with an emphasis on Benefits, Payroll, Onboarding and WFM.
• Partner with HR leadership to develop long-term HRIS strategy and ensure alignment with firm needs.

• Own the firm’s HR data governance framework, ensuring accuracy, audit readiness, and consistency across systems.
• Run advanced audits and data validation routines; independently identify and resolve system inconsistencies.
• Build and maintain complex HR dashboards, KPIs, and analytics using Dayforce and BI tools (PowerBI preferred).
• Lead preparation and delivery of major firmwide reports, including compensation analytics, DEI reporting, turnover analysis, and federal/state filings.

• Evaluate existing processes and proactively identify opportunities to streamline workflows, especially in benefits administration, onboarding, and payroll integrations.
• Implement automation and new functionality that improves accuracy, efficiency, and the user experience.
• Provide recommendations to HR leadership based on analytical insights, system capabilities, and industry best practices.

• Serve as a senior-level resource for HR and end users, offering guidance, troubleshooting, and best practices.
• Create and maintain comprehensive user documentation and procedures.

• Build strong relationships with business services leadership, and external vendors.
• Collaborate closely with HR, Finance, IT, Benefits, and Payroll on cross-system dependencies and major initiatives.
• Contribute to firmwide HR technology projects with minimal oversight.
• Assume additional responsibilities as requested.

• 6+ years of HRIS experience, with progressive responsibility
• Experience in a law firm or professional services firm preferred
• Benefits administration or benefits data workflow experience strongly preferred.
• Strong understanding of HRIS database architecture, configuration, integrations, and data management.
• Demonstrated ability to operate independently at a strategic and tactical level.
• Possess excellent verbal and written communication and consulting skills, with the ability to influence others and translate technical concepts.
• Ability to function in a fast-paced, service-oriented environment, prioritize multiple projects on a daily basis, and adjust to shifting priorities.
• Strong planning, project management and organizational skills with experience…