Senior Human Resources Generalist

• Lead and conduct employee relations investigations from intake through resolution
• Partner with leaders to address complex workplace issues and ensure fair, consistent outcomes
• Recommend and document appropriate corrective actions
• Use HR data, trends, and insights to guide decisions and recommendations

• Coach managers on performance management, conflict resolution, and employee engagement
• Provide guidance on handling sensitive employee issues and applying company policies
• Support development of leadership capabilities through training and ongoing coaching

• Ensure compliance with federal, state, and local employment laws (e.g., FMLA, ADA, EEO)
• Support audits and maintain accurate HR documentation and reporting (EEO-1, OSHA, etc.)
• Help maintain and improve HR policies and procedures

• Maintain accurate employee data and reporting within the HRIS
• Analyze HR data and generate insights to support business decisions
• Partner with HR Systems to enhance HRIS functionality and processes

• Identify training needs and deliver programs focused on employee relations, compliance, and leadership skills
• Develop practical tools and resources for managers
• Mentor junior HR team members and contribute to overall team capability

• Oversee fiscal year-end HR processes, including personnel changes and system updates
• Support HR projects and process improvement initiatives

• Support job evaluation and career progression frameworks

• 7+ years of progressive HR experience (or a minimum of 5 years of experience as an HR Generalist at Hamamatsu), with strong expertise in employee relations and investigations
• Proven ability to independently conduct investigations and advise on complex employee matters
• Strong experience coaching managers and influencing decision-making
• Solid understanding of employment laws and HR best practices
• Experience working with HRIS systems and using data to drive decisions
• Excellent communication, judgment, and problem-solving skills
• Ability to manage multiple priorities

• 8–10+ years of HR experience in a generalist or HRBP role
• Experience with job evaluation, job architecture, and compensation practices
• HR certification (SHRM-CP, SHRM-SCP, or HRCI)
• Experience supporting HR systems or process improvements

This position may require working with, or exposure to goods and information that may be subject to the jurisdiction of the US State Department ITAR regulations ( and the Commerce Departments CCL (

Hamamatsu is an Equal Opportunity Employer. All applicants will receive fair and impartial consideration without regard to race, religion, color, gender, age, national origin, physical or mental disability, genetic information, veteran status, gender identity, sexual orientation, or any other status protected by applicable law.

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It is the policy of Hamamatsu Corporation not to sponsor immigration visas for employment applicants.