HR Business Partner (Bilingual)

STS Technical Services is hiring an experienced HR Business Partner in Milwaukee, Wisconsin. This position supports employee relations, workplace investigations, performance management, supervisor coaching, and workforce planning within a fast-paced manufacturing environment.

We’re looking for an HR professional with 3 to 5 years of experience, including direct responsibility for employee relations cases, who can work independently, exercise sound judgment, and communicate effectively with both operations leadership and hourly employees.

The ideal candidate brings strong employee relations experience, the ability to coach frontline supervisors through difficult conversations, and a practical understanding of how HR policies support a fair and consistent workplace.

Position Summary

The HR Business Partner serves as the primary point of contact for daily employee relations and workforce support at the site level.

Reporting to the HR Manager, this position independently manages standard employee relations cases from intake through resolution, conducts workplace investigations, and provides guidance to supervisors on performance management and employee concerns.

The HR Business Partner also works closely with operations leadership to identify workforce trends, address attendance and engagement issues, and support the consistent application of company HR policies.

This role combines hands-on employee relations responsibilities with proactive leadership coaching, workforce planning support, and HR process improvement.

Key Responsibilities

Employee Relations and Workplace Investigations

• Manage standard employee relations cases from intake through resolution
• Conduct fact-gathering, investigations, case evaluations, recommendations, and final documentation
• Perform workplace investigations in accordance with established company procedures
• Maintain thoroughness, consistency, and confidentiality throughout the investigation process
• Document employee relations findings and recommendations clearly and accurately
• Interpret and apply HR policies consistently and fairly
• Exercise sound judgment when identifying situations that fall outside established policies or precedent
• Escalate complex or high-risk employee relations matters to the HR Manager as required

Supervisor Coaching and Leadership Support

• Coach frontline supervisors through employee performance conversations before formal disciplinary action is initiated
• Help supervisors prepare for difficult conversations, including appropriate language, documentation, and communication strategies
• Guide supervisors in distinguishing between performance issues, conduct concerns, and situational factors
• Recommend appropriate approaches to employee performance and conduct matters
• Partner with operations leaders to address daily workforce concerns
• Support discussions involving attendance patterns, performance issues, and employee engagement
• Build strong working relationships with supervisors and operations leadership
• Serve as a trusted HR resource for employee-related questions and management decisions

Workforce Planning and Employee Engagement

• Provide site-level and functional input into workforce planning activities
• Use knowledge of frontline operations, team dynamics, and staffing requirements to support workforce discussions
• Identify and communicate emerging workforce trends
• Monitor patterns involving employee turnover, attendance, and engagement
• Share relevant workforce observations with HR and operations leadership
• Support proactive approaches to workforce challenges and employee relations concerns

HR Manager Support and Escalation

• Escalate complex, sensitive, or high-risk employee relations matters to the HR Manager promptly
• Provide clear case context, relevant documentation, and recommended next steps when escalating issues
• Support site-level HR initiatives and special projects
• Assist with HR process improvements and workforce support activities
• Maintain a visible and approachable HR presence on the manufacturing floor
• Build relationships with employees and supervisors to encourage early identification and resolution of workplace concerns

Required Qualifications

• 3 to 5 years of human resources experience, including direct employee relations case ownership
• Demonstrated experience independently managing employee relations cases from intake through resolution
• Experience conducting workplace investigations and preparing accurate documentation
• Ability to coach frontline supervisors through difficult and emotionally charged performance conversations
• Sound judgment when interpreting and applying HR policies
• Ability to recognize when employee relations matters require escalation
• Strong communication and interpersonal skills
• Ability to build credibility with operations leadership and hourly employees
• Strong organizational skills and the ability to manage an active caseload
• Ability to prioritize competing deadlines in a fast-paced manufacturing environment
• Bachelor’s degree in Human Resources, Business, or a related field, or equivalent HR experience
• Bilingual English/Spanish skills
• Must be authorized to work in the United States

Preferred Qualifications

• Experience working with Workday or a comparable Human Resources Information System (HRIS)
• Professional in Human Resources (PHR) certification
• SHRM Certified Professional (SHRM-CP) certification
• Previous HR experience in a manufacturing or industrial environment

Work Environment

This position supports daily HR operations within a manufacturing environment in Milwaukee, Wisconsin.

The HR Business Partner will interact regularly with frontline supervisors, hourly employees, operations leaders, and HR management.

The role requires a visible HR presence on the manufacturing floor, the ability to manage sensitive employee relations matters, and the flexibility to address workforce concerns as they arise.

About STS Technical Services

STS Technical Services is a Top 100 Staffing Firm that partners with leading companies across the aerospace, defense, manufacturing, and industrial sectors.

We connect experienced professionals with career opportunities in human resources, manufacturing, engineering, technical operations, administration, and business support throughout the United States.

Apply Today

If you’re looking for HR Business Partner jobs in Milwaukee, Wisconsin and have experience managing employee relations cases, conducting workplace investigations, coaching supervisors, and supporting manufacturing operations, we encourage you to apply today.

Equal Opportunity Employer

STS Technical Services is an Equal Opportunity Employer.

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