Human Resources; HR) Manager

Position: Human Resources (HR) Manager
Description We are looking for an experienced Human Resources Manager to provide on-site support for a dynamic, high-volume workforce in Waltham, Massachusetts. This Long-term Contract position is ideal for someone who thrives in a highly interactive environment and can build strong partnerships with employees and operational leaders. The role centers on employee relations, daily HR operations, and practical guidance that helps maintain compliance, consistency, and a positive workplace experience.

Responsibilities:

- Lead employee relations matters from initial review through resolution, including workplace concerns, attendance issues, performance discussions, corrective actions, and separations.

- Advise supervisors and department leaders on coaching approaches, policy application, performance conversations, and strategies to improve employee retention.

- Administer benefits-related processes by responding to employee inquiries, supporting enrollment activity, and assisting with qualifying life event changes and open enrollment periods.

- Oversee onboarding and orientation activities to create a smooth and consistent experience for new employees joining the organization.

- Support programs that strengthen engagement, recognition, workplace culture, and overall employee satisfaction.

- Maintain daily HR operations by processing employee status updates, managing leave-related documentation, organizing records, and helping ensure policy compliance across the workforce.

- Use the organization's HRIS platform for onboarding tasks, personnel updates, reporting, benefits support, time-off tracking, and other core HR transactions.

- Work closely with operational leadership to deliver timely, practical HR guidance across multiple locations and business needs. Requirements

- At least 5 years of progressive human resources experience, including substantial hands-on employee relations work.

- Solid understanding of employment law, HR compliance standards, and established human resources practices.

- Ability to work in a highly visible, employee-facing role with a practical and responsive approach to problem-solving.

- Experience handling HR administration, benefits coordination, onboarding, and documentation management.

- Proficiency with HRIS tools and the ability to manage reporting and routine employee data transactions accurately- UKG Ready experience a plus.

- Availability to work on-site in Waltham, Massachusetts five days per week, with occasional travel to additional operating locations as needed.

Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

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All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit  for more information.

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