Human Resources; HR Manager

Position: Human Resources (HR) Manager
Location: Mars

Description

We are looking for an experienced Human Resources (HR) Manager to support a manufacturing operation through a contract assignment. This role will serve as a key partner to site leadership, helping shape workforce strategies that strengthen employee performance, engagement, and operational effectiveness. The position is well suited for an HR specialist who can balance strategic planning with day-to-day employee support in a fast-moving plant environment.

Responsibilities:

- Direct the full scope of human resources support for the manufacturing site, ensuring alignment between people initiatives and business priorities.

- Work closely with plant leaders to build workforce plans, address organizational needs, and support day-to-day operational goals.

- Advise managers on employee relations matters, performance concerns, disciplinary actions, and leadership practices to promote a productive workplace.

- Oversee investigations, resolve workplace conflicts, and interpret company policies with consistency and sound judgment.

- Maintain compliance with applicable employment laws and internal standards, including state and federal labor requirements.

- Strengthen talent processes by supporting performance reviews, succession planning, employee development, and retention efforts.

- Coordinate training activities that improve supervisory capability, employee skills, and overall site effectiveness.

- Assist with hiring efforts for both hourly and salaried positions and help maintain a strong candidate pipeline.

- Review HR data and workforce trends to recommend actions that improve engagement, retention, and performance.

- Provide guidance on compensation administration, onboarding activities, and HR systems such as Kronos, ADP Payroll, and Oracle.

Requirements - Bachelor's degree required; advanced degree or HR certification is preferred.

- At least 5 years of progressive human resources experience, including leadership responsibility in a manufacturing setting.

- Demonstrated ability to manage employee relations issues, conduct investigations, and coach leaders through complex people matters.

- Strong knowledge of federal employment regulations and Pennsylvania labor requirements, including wage and hour practices, leave administration, accommodations, and workplace safety expectations.

- Experience supporting talent management activities such as performance management, development planning, and succession discussions.

- Ability to use HR metrics and business insights to guide recommendations and workforce decisions.

- Familiarity with core HR processes including onboarding, benefits administration, and payroll coordination.

- Proficiency with HR technology platforms such as Kronos, ADP, and Oracle.

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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