Regional Human Resources Manager

Sonnax Transmission Company

As a part of the global industrial organization Marmon Holdings—which is backed by Berkshire Hathaway—you’ll be doing things that matter, leading at every level, and winning a better way. We’re committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone’s empowered to be their best.

Who We Are

Sonnax is a leading provider of innovative transmission and drivetrain solutions, serving the automotive aftermarket with high-quality products and engineering expertise. As part of Marmon, a Berkshire Hathaway company, Sonnax combines a strong legacy of innovation with the resources of a global organization.

What You’ll Do

The Regional Human Resources Manager leads HR operations across Sonnax locations in Vermont, North Carolina, Michigan, and Pune, India. Reporting to the Platform HR Leader, this role partners with the Sonnax President and business leaders to align HR strategies with business objectives, support workforce needs, and promote a consistent, effective employee experience across locations.

• Partner with the Platform HR Leader and Sonnax leadership team to implement HR priorities and support business performance across all locations.
• Coach leaders on workforce planning, organizational structure, staffing, performance management, employee development, and employee relations.
• Lead employee relations investigations, corrective action, conflict resolution, and policy interpretation, ensuring fair and consistent outcomes.
• Oversee recruiting, selection, onboarding, and retention strategies for hourly and salaried employees.
• Lead performance management, talent reviews, succession planning, and employee development initiatives.
• Support compensation planning, job evaluations, market reviews, and pay recommendations.
• Coordinate employee engagement surveys, communicate results, and drive action plans to improve engagement and retention.
• Ensure compliance with applicable U.S. federal and state employment laws and labor requirements for the India operation.
• Monitor and report workforce metrics, including turnover, attendance, staffing, engagement, and time-to-fill, identifying trends and recommending improvements.
• Maintain accurate employee records, HR systems data, reporting, and compliance documentation.
• Partner with payroll, benefits, safety, legal, finance, and operations to address business and employee needs.
• Support safety initiatives, workers’ compensation, return-to-work programs, and related reporting requirements.
• Identify opportunities to improve HR processes, standardize practices, and strengthen service delivery.
• Maintain regular contact with leaders and employees across locations and shifts through site visits and ongoing communication.
• Lead and develop HR team members by establishing priorities, assigning responsibilities, providing coaching and feedback, and ensuring appropriate coverage for critical HR functions.

What You'll Need

• Bachelor's degree in Human Resources, Business Administration, or a related field.
• Eight or more years of progressive HR experience, including at least three years in an HR management role.
• Experience supporting multiple locations, including international operations, preferably in a manufacturing, distribution, or industrial environment.
• Strong knowledge of employee relations, investigations, manager coaching, performance management, and employment compliance.
• Working knowledge of U.S. federal and state employment laws, including FLSA, FMLA, ADA, Title VII, and OSHA, with the ability to apply relevant labor requirements in India.
• Experience leading and developing HR team members and partnering with senior leaders on business and workforce priorities.
• Strong leadership, communication, coaching, conflict resolution, and relationship-building skills.
• Ability to analyze workforce data, identify trends, and translate findings into actionable recommendations.
• Sound business judgment, organization, attention to detail, and the ability to manage competing priorities and confidential matters.
• Proficiency with Microsoft Office, HR information systems, reporting tools, and workforce analytics.
• Ability to travel up to 25%, with increased travel during the initial transition period.

Preferred Qualifications

• Master's degree in Human Resources, Business Administration, or a related field.
• SHRM-CP, SHRM-SCP, PHR, or SPHR certification.
• Experience supporting international operations and employees.
• Experience working in a decentralized organization and applying Lean or continuous improvement practices.

What You’ll Gain

• The opportunity to shape HR strategy and execution across a multi-location, international manufacturing organization.
• The ability to partner directly with business leadership and influence workforce planning, talent development, and organizational effectiveness.
• Opportunities to strengthen employee engagement, leadership capabilities, and HR processes across multiple locations.
• The opportunity to lead and develop an HR team while contributing to the continued growth and success of Sonnax and the broader Associated Parts platform.

This position involves work in office, manufacturing, and warehouse environments, including walking through operational areas, supporting employees across shifts, and domestic and international travel. Employees must follow applicable site safety and personal protective equipment requirements. Reasonable accommodations may be made to enable qualified individuals to perform the essential functions of the role.

This job description outlines the general nature and level of work performed and is not intended to be an exhaustive list of responsibilities. Duties and responsibilities may change based on business needs.

Pay Range:

100,000.00 - 150,000.00

We offer a comprehensive benefits package that may include medical, dental, vision, 401k matching, and more!

Following receipt of a conditional offer of employment, candidates will be required to complete additional job-related screening processes as permitted or required by applicable law.

We are an equal opportunity employer, and all applicants will be considered for employment without attention to their membership in any protected class. If you require any reasonable accommodation to complete your application or any part of the recruiting process, please email your request to [email protected], and please be sure to include the title and the location of the position for which you are applying.