Description

We are seeking an experienced HR leader to serve in an Interim Sr. Human Resources Manager capacity for our member in Ann Arbor, MI.

This role is being created to provide leadership continuity and operational stability within the HR function during a period of transition and extended leave. The Interim candidate will assess current systems, strengthen processes, ensure compliance, and provide support to the Director of HR.

This is a hands-on leadership role. The successful candidate will step in quickly, establish structure and accountability, and ensure the HR function is operating consistently and effectively.

This position is temporary to start (anticipated 4–6 months.)

Reports to: Director of HR

Key Responsibilities

Leadership & Oversight

• Provide direct leadership in collaboration with the Director of HR
• Assess current HR systems, workflows, and compliance practices.
• Establish clear priorities, timelines, and performance expectations for the HR function.
• Ensure follow-through on key responsibilities including onboarding, documentation, payroll coordination, and performance management.
• Partner closely with the CEO, Director of Special Projects and leadership team to stabilize and strengthen HR operations.

Labor Relations & Compliance

• Oversee union contract administration and grievance processes.
• Ensure compliance with federal, state, and local employment laws.
• Lead or support investigations and disciplinary processes.
• Review and update HR policies and procedures as needed.

Benefits, Payroll & Risk Oversight

• Oversee benefits administration and open enrollment processes.
• Ensure payroll processes are accurate and compliant (in coordination with Finance).
• Oversee Workers’ Compensation case management and documentation.
• Ensure OSHA recordkeeping and required HR-related compliance documentation is current.

Systems & Organizational Improvement

• Identify gaps in HR systems and documentation.
• Recommend improvements to strengthen accountability and consistency.
• Clarify role responsibilities between HR, Finance, and Operations where needed.
• Implement practical systems that support long-term sustainability of the HR function.

Qualifications

• 7+ years of progressive HR experience, including union/labor relations.
• Experience stepping into organizations during transition periods strongly preferred.
• Demonstrated ability to bring structure and accountability to small or mid-sized organizations.
• Experience supervising HR staff.
• Strong knowledge of employment law and compliance.
• Nonprofit or operational environment experience preferred.
• Experience with payroll systems (Paycom preferred).