Winchester Human Resources Business Partner

Winchester; Clayton (MO); On-site; USD 80,000 - 110,000; Full time

Benefits offered by this job

Comprehensive benefits package

Job summary

Winchester is seeking an experienced Human Resources Business Partner to support engaging, productive workplaces across Clayton, MO, and East Alton, IL. You will drive employee relations, performance management, talent development, and HR compliance while partnering with leaders across multiple sites.

The role requires 3+ years in HR Generalist work, union manufacturing experience preferred, and the ability to travel up to 10% with a valid US driver’s license.

Qualifications

• Bachelor's or master's degree in Human Resources, Employee Relations, Labor Relations, Organizational Development, or Business.
• Minimum three years of HR Generalist experience; manufacturing union environment preferred.
• Proficiency with Microsoft Office; experience with PeopleSoft/Workday, Dimensions, or SAP preferred.
• Ability to set priorities, manage a high-volume workload, and work collaboratively.
• Strong communication, leadership, organizational, problem-solving, and decision-making skills.
• Ability to travel up to 10% and valid US driver's license.

Responsibilities

• Build strong relationships with leaders and employees to promote engagement.
• Guide managers through performance reviews and develop performance strategies.
• Collaborate to identify training needs and support employee development.
• Partner with leaders to identify staffing needs and recruit effectively.
• Communicate and enforce HR policies, ensuring legal compliance.
• Support labor relations and administer bargaining unit processes.
• Develop and implement employee engagement initiatives and events.
• Administer progressive discipline up to termination.

Skills

Stakeholder management

Communication

Analytical skills

Leadership

Project management

Organizational skills

Decision making

Education

Bachelor's or Master's degree in HR/related

Tools

Microsoft Office

PeopleSoft/Workday

Dimensions

SAP

Job description

Human Resources Business Partner

Title: Human Resources Business PartnerLocation: Clayton, MOAdditional locations may include: East Alton, ILSalary: $80,220-$110,000 (depending on relevant experience)Schedule: Onsite in Clayton or East Alton, with regular travel between locations based on business needs.Focus: The Human Resources Business Partner (HRBP) strengthens organizational effectiveness by supporting employee relations, performance management, talent development, and HR compliance. This role partners closely with leaders and employees across multiple facilities to drive engagement, strengthen safety culture, support operational needs, and foster a positive, productive workplace.

Human Resources Business Partner Essential Job Functions

• Build strong, collaborative relationships with leaders and employees to promote an engaged and productive workplace.
• Guide managers through the performance review process and assist in developing and implementing performance management strategies.
• Collaborate with managers to identify training needs and support employee development initiatives.
• Partner with departmental leaders to identify staffing needs and support the Talent Acquisition team's recruitment strategies.
• Communicate, interpret, and enforce HR policies while ensuring compliance with local, state, and federal labor laws.
• Support Labor Relations activities and administer East Alton bargaining unit processes, including internal bid resolutions, curtailments, and recalls.
• Develop and implement employee engagement initiatives and coordinate employee-focused events.
• Administer corrective action using a progressive discipline model, up to and including termination.

Human Resources Business Partner Minimum Requirements

• Bachelor's or master's degree* in Human Resources, Employee Relations, Labor Relations, Organizational Development, or Business discipline.
• Minimum three years of related HR Generalist experience; manufacturing union environment preferred.
• Proficiency in Microsoft Office; experience with PeopleSoft/Workday, Dimensions, or SAP preferred.
• Demonstrated ability to set priorities, manage a high-volume workload, and work collaboratively.
• Strong analytical, communication (verbal and written), leadership, organizational, presentation, problem-solving, project management, and decision-making skills.
• Ability to travel up to 10%.
• Valid US drivers license.

Location-Specific Requirements

This position requires access to ITAR controlled technical data, and as such, employment will be contingent upon the candidate's ability to access ITAR controlled technical data pursuant to an export license approved by the Directorate of Defense Trade Controls, if required.

Strong Careers Grow HereRooted in our corporate values, Olin continues to be the global leader in both ammunition and chemical manufacturing. We invest, recognize, and reward the talents and contributions of our employees, empowering over 8,000 global individuals to make an impact both at work and in surrounding communities.

View a snapshot of our comprehensive benefits package

Olin fosters a diverse and inclusive workplace, where you are encouraged to join or lead our Olin People Networks. These voluntary groups connect employees across sites, divisions and functions to strengthen connections, belonging, and community involvement.

Olin does not provide any form of sponsorship. We will only employ those who are legally authorized to work in the United States. Individuals with temporary visas such as E, F-1, H-1, H-2, L, B, J or TN or who need sponsorship now or in the future, are not eligible for hire.

Olin is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law.

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