Human Resources Manager

Arcosa Inc.; Union City (CA); On-site; USD 95,000 - 125,000; Full time

Job summary

Arcosa Inc. seeks a Human Resources Manager for our Union City facility to deliver full-spectrum HR support to hourly and salaried employees while aligning with corporate strategies.

This role serves as the primary HR leader for a heavy industrial plant operating multiple shifts and will partner with plant leadership to drive safety, engagement, and high performance. The HR Manager will act as a trusted advisor on employee relations, policy interpretation, and compliance, while managing

Qualifications

• Bachelor’s degree in Human Resources, Business Administration, or related field.
• Minimum of 5+ years of progressive HR experience, preferably in manufacturing or plant environments.
• Experience as primary or lead HR professional at a facility or business unit.
• Experience supporting hourly workforces and multi-shift operations.
• Strong working knowledge of federal, state, and local employment laws (FLSA, FMLA, ADA, EEOC, OSHA).
• Proven ability to manage employee relations matters including investigations and disciplinary actions.
• Ability to partner with frontline supervisors and plant leadership on people management.
• Hands-on recruiting experience for hourly and salaried roles in high-demand labor environments.
• Performance management, coaching, and employee development practices.
• Compensation, benefits, leave, attendance, and timekeeping administration.
• Maintain HR records, reporting and documentation per policy and law.
• Champion company values; foster a positive, inclusive, safety-focused environment.
• Visible plant-floor presence across shifts to build trust.

Responsibilities

• Serve as the primary on-site HR leader for the facility across multiple shifts.
• Partner with plant leadership to align HR with operational goals, safety, and business performance.
• Advise leaders on employee relations, performance management, discipline, and policy interpretation.
• Lead employee relations activities, including investigations, conflict resolution, and corrective action.
• Coach supervisors on effective people management and policy application.
• Ensure compliance with federal, state, and local employment laws and regulations.
• Manage full-cycle recruiting for hourly and salaried roles in a multi-shift environment.
• Oversee onboarding and orientation to support safety, engagement, and retention.
• Administer performance management processes and employee development support.
• Support compensation practices, wage administration, leaves, attendance, and timekeeping.
• Maintain accurate HR records and reporting per policy and legal requirements.
• Champion values and foster a positive, safety-focused work environment.
• Maintain visible presence on the plant floor to build trust across shifts.
• Ensure compliance with all employment laws.

Skills

Employee relations

Labor law compliance

Recruiting

Policy interpretation

Shift operations

Education

Bachelor’s degree in HR or related field

Tools

HRIS

MS Office

Job description

Arcosa seeks a Human Resources Manager to serve at our Arcosa Shoring Products facility in our Union City, MI facility. Operating within a broader enterprise HR model, this role is responsible for executing programs at the facility level, while ensuring alignment with business unit and corporate strategies. The Human Resources Manager serves as the primary HR leader for a single heavy industrial manufacturing facility operating multiple shifts. This role is responsible for delivering full-spectrum HR support to hourly and salaried employees and partnering closely with plant leadership to drive a safe, compliant, engaged, and high-performing workforce.

The HR Manager acts as a trusted advisor to leaders and employees, ensuring consistent application of HR policies, labor and employment compliance, and alignment with business objectives in a fast-paced, operational environment.

What You'll Do

• Serve as the primary on-site HR leader for the facility, supporting hourly and salaried employees across multiple shifts
• Partner with plant leadership to align HR strategies with operational goals, workforce planning, safety, and business performance
• Act as a trusted advisor to leaders on employee relations, performance management, discipline, and workplace concerns
• Lead employee relations activities, including investigations, conflict resolution, corrective action, and policy interpretation
• Coach and support supervisors and managers on effective people management, documentation, and consistent policy application
• Ensure compliance with federal, state, and local employment laws and regulations, including FLSA, FMLA, ADA, EEOC, OSHA, and state requirements
• Manage full-cycle recruiting for hourly and salaried roles to meet staffing needs in a multi-shift manufacturing environment
• Oversee onboarding and orientation to support safety, engagement, and early retention
• Administer performance management processes, including goal setting, evaluations, and employee development support
• Support compensation practices, wage administration, job levels, benefits, leaves of absence, attendance, and timekeeping
• Maintain accurate HR records, reporting, and documentation in accordance with company policy and legal requirements
• Champion company values and foster a positive, inclusive, and safety-focused work environment
• Maintain a visible presence on the plant floor to build trust, credibility, and strong employee relationships across all shifts
• Ensures compliance with all federal, state and local employment laws.

What You'll Need

• Bachelor’s degree in Human Resources, Business Administration, or a related field
• Minimum of 5+ years of progressive HR experience, with a strong preference for manufacturing, industrial, or plant-based environments
• Demonstrated experience serving as the primary or lead HR professional at a facility or business unit
• Extensive experience supporting hourly workforces and multiple-shift operations
• Strong working knowledge of federal, state, and local employment laws and regulations, including FLSA, FMLA, ADA, EEOC, OSHA, and wage and hour compliance
• Proven ability to independently manage employee relations matters, including investigations, disciplinary actions, and conflict resolution
• Experience partnering with frontline supervisors and plant leadership to drive effective people management practices
• Hands-on experience with recruiting and staffing for hourly and salaried roles in a high-demand labor environment
• Working knowledge of performance management processes, coaching, and employee development practices
• Practical experience administering compensation, benefits, leave programs, attendance, and timekeepingStrong judgment, discretion, and ability to handle confidential matters professionally
• Excellent communication and interpersonal skills, with the ability to influence at all levels of the organization
• Comfortable working in a fast-paced, operational environment with regular presence on the plant floor and flexibility to support multiple shifts
• Frequent day travel to other Michigan facilities, and occasional domestic travel, as needed (less than 25%)
• Bilingual (Spanish) desired