Jobs and Careers

Senior Human Resources Manager

Waterville, United Statesfull_timeVerifiedPosted 17 Aug 2026

💰 $153,100/yr($111,400/yr – $153,100/yr)

About the role

Who We Are

Johns Manville is a leading manufacturer and marketer of premium-quality insulation and commercial roofing, along with glass fibers and nonwovens for commercial, industrial and residential applications. Our products are used in a wide variety of industries including building products, aerospace, automotive and transportation, filtration, commercial interiors, waterproofing and wind energy.

A proud member of the Berkshire Hathaway family of companies, we serve customers in more than 80 countries around the globe. We are committed to delivering positive and powerful experiences, because we are successful only when our employees and customers thrive. We are passionate, we care about people, we perform at a superior level, and we protect others and our environments.

Pay Range

$111,400.00-$153,100.00 Annual

This is the base salary pay range that an applicant can expect to make upon hire. Pay within this range will vary based upon relevant experience, skills, and education among other factors. In addition, this position is eligible for an incentive bonus.

Johns Manville is seeking a Senior Human Resources Manager to lead all HR activities for the Waterville manufacturing complex. This complex is part of our Engineered Products business division and consists of two plants, a separate warehouse, and a unionized workforce. This hands-on leadership role serves as a strategic partner to site leadership while directly supporting day-to-day HR operations.

Leading a team of one HR Manager and one HR Specialist, the Senior HR Manager is responsible for labor and employee relations, talent management, workforce planning, organizational effectiveness, compliance, employee engagement, and leadership development. The ideal candidate combines strong labor relations experience with the ability to influence business outcomes and build a high-performing culture.

Your Day-to-Day:

Partner with site leadership to align people strategies with business objectives and operational goals.

Foster a positive employee relations environment through open communication, responsiveness, and consistent application of policies and practices.

Lead employee and labor relations activities, including contract administration, grievance management, investigations, conflict resolution, corrective actions, and positive union-management relations.

Participate in labor strategy development and collective bargaining activities.

Coach leaders on performance management, talent development, succession planning, and organizational effectiveness.

Oversee recruiting, talent development, employee engagement, and retention initiatives.

Ensure compliance with employment laws, labor regulations, company policies, and HR programs.

Lead, coach, and develop a small HR team while maintaining a hands-on presence within the operation.

Champion a culture of safety, inclusion, accountability, and continuous improvement.

What You Bring to the Team:

Bachelor's degree in Human Resources, Business, Psychology, Industrial Relations, or related field.
HR certification (SHRM-CP, SHRM-SCP, PHR, or SPHR) preferred
8+ years of progressive HR experience, including significant manufacturing experience.
5+ years of HR leadership experience.
Experience supporting a unionized workforce and administering collective bargaining agreements. Collective bargaining negotiation experience preferred
Strong employee relations, labor relations, talent management, and leadership coaching skills.
Experience navigating complex employee relations matters within a collaborative decision-making environment, balancing business needs, legal considerations, and company policies through partnership with Operations, Legal, and Corporate HR.
Demonstrated ability to influence leaders, solve complex people issues, and drive business results.

Work and Travel Requirements