About this role
Senior Human Resources Generalist
About the Role
The Senior Human Resources Generalist serves as a strategic and operational Human Resources partner supporting two subsidiary organizations within a shared-services environment. This role delivers comprehensive HR support across all major HR functions, including employee relations, workplace investigations, manager coaching, talent acquisition, benefits administration, leave management, compliance, employee engagement, HR analytics, and process improvement.
The Senior HR Generalist partners closely with leaders and employees to foster a positive workplace culture, ensure compliance with employment laws and company policies, and support organizational goals. This position balances the unique needs of multiple business units while promoting consistency, operational excellence, and continuous improvement across HR programs, processes, and employee experiences.
The ideal candidate is a trusted advisor with strong employee relations expertise, advanced leave and accommodation administration knowledge, and the ability to influence leaders, manage complex people matters, and drive HR initiatives that support organizational effectiveness.
Responsibilities include :
Shared Services HR Partnership
- Provide Human Resources support for two subsidiary organizations, in HR programs, policies, procedures, and employee experience.
- Partner with managers and leadership teams to address workforce planning, organizational effectiveness, employee relations, talent management, and employee development needs.
- Support HR harmonization initiatives, process improvements, and organizational effectiveness efforts across both subsidiaries.
- Serve as a subject matter expert and internal resource on employee relations, leave administration, benefits, compliance, and HR operational processes.
- Support the day-to-day guidance of HR support staff, as needed.
- Balance competing priorities while providing timely, responsive HR support across multiple business units.
Employee Relations & Investigations
- Lead and conduct employee relations investigations from intake through resolution, ensuring thorough documentation, objective fact-finding, and timely follow-up.
- Partner with managers to address workplace concerns, performance challenges, attendance issues, employee misconduct, conflict resolution, and policy interpretation.
- Facilitate employee meetings and difficult workplace conversations while ensuring consistency with company policies and established practices.
- Prepare and review employee relations documentation, including performance improvement plans, corrective actions, investigation summaries, and employee communications.
- Recommend corrective actions and ensure fair, consistent, and legally compliant outcomes.
- Analyze employee relations trends and provide recommendations to reduce organizational risk and improve employee engagement.
- Maintain a high level of confidentiality and professionalism when handling sensitive employee matters.
Manager Coaching & Leadership Support
- Coach managers on performance management, employee development, workplace conduct, employee engagement, conflict resolution, and talent management.
- Provide guidance regarding employment decisions, policy application, and employee relations matters.
- Support leaders in building high-performing teams and strengthening leadership capabilities.
- Assist in the development and delivery of manager resources, tools, and training programs to enhance leadership effectiveness and organizational performance.
Talent Acquisition & Onboarding
- Coordinate recruitment activities, including job postings, candidate screening, interview scheduling, and applicant communications.
- Prepare offers of employment and related onboarding documentation.
- Facilitate onboarding activities and orientation programs that support a positive new hire experience.
- Coordinate employee offboarding processes, including exit interviews and separation documentation.
- Analyze recruitment, retention, and turnover trends and recommend opportunities for improvement.
Benefits Administration & Employee Support
- Support employee benefit programs, including enrollments, life event changes, annual open enrollment, and employee inquiries.
- Serve as the primary liaison between employees, brokers, insurance carriers, and benefit vendors.
- Act as an escalation point for complex benefits inquiries, claim issues, and vendor-related concerns.
- Lead annual open enrollment planning, employee communications, and benefits education initiatives.
- Ensure timely and accurate processing of benefit transactions and employee communications.
- Support ongoing employee understanding and utilization of available benefit programs.
Leave Administration & Compliance
- Administer and coordinate leaves of absence, including FMLA, ADA, disability, workers' compensation, state leave programs, and company-sponsored leave policies.
- Coordinate and manage the interactive accommodation process, maintain supporting documentation, and collaborate with managers to facilitate reasonable accommodation.
- Monitor compliance with federal, state, and local leave, disability, accommodation, and employment laws.
- Manage workers' compensation claims, return-to-work programs, unemployment responses, and related documentation.
- Support internal audits and regulatory reporting requirements, including EEO-1, OSHA, and other compliance initiatives.
- Assist with the development, review, and maintenance of HR policies, procedures, and employee communications.
HRIS, Reporting & Analytics
- Maintain accurate employee records and ensure data integrity within HR systems.
- Process employee lifecycle transactions, including hires, promotions, transfers, compensation changes, and terminations.
- Conduct periodic audits of employee, organizational, and HR data to ensure accuracy, completeness, and compliance.
- Prepare, analyze, and interpret HR metrics related to recruitment, turnover, headcount, benefits, employee relations, and workforce trends.
- Support workforce planning and organizational reporting initiatives through meaningful data analysis and reporting.
- Partner with HR systems and technology resources to optimize HR processes, reporting capabilities, and overall system effectiveness.
Employee Engagement & Development
- Coordinate employee recognition programs, wellness initiatives, service award programs, and engagement activities.
- Support employee feedback initiatives and action-planning efforts designed to improve engagement and retention.
- Identify organizational training needs and coordinate programs related to compliance, leadership development, employee relations, and professional development.
- Develop and maintain standard operating procedures (SOPs), job aids, training materials, onboarding resources, and employee guides.
- Coordinate cross-training initiatives that support employee development, succession readiness, and operational continuity.
- Create resources and tools that improve the employee and manager experience.
HR Projects & Continuous Improvement
- Participate in strategic HR initiatives, special projects, organizational changes, and process improvement efforts.
- Own and continuously improve core HR operational processes and workflows to enhance efficiency, consistency, and service delivery.
- Develop and maintain process documentation, forms, checklists, SOPs, and standard work instructions.
- Support HR systems optimization, workflow automation, and process standardization initiatives across the organization.
- Assist with job evaluations, organizational design, compensation reviews, workforce planning, and career progression initiatives.
- Contribute to the development and implementation of HR best practices that support organizational growth and business objectives.
Required Qualifications
- Bachelor's degree in Human Resources, Business Administration, or a related field preferred.
- Equivalent combinations of education and relevant experience may be considered.
- Minimum 5 years of progressive Human Resources experience with demonstrated responsibility across multiple HR disciplines.
- Strong employee relations and workplace investigation experience.
- Experience coaching managers and advising on complex employee matters.
- Advanced experience administering leave of absence programs and workplace accommodations, including FMLA, ADA, disability, workers' compensation, and other protected leave programs.
- Experience administering employee benefit programs, including vendor coordination, open enrollment support, and benefits issue resolution.
- Experience supporting recruitment, onboarding, employee engagement, compliance, and HR operations.
- Demonstrated experience training, mentoring, or providing work direction to HR team members and/or cross-functional business partners.
- Experience working in a multi-site, shared services, or multi-entity environment preferred.
- Experience utilizing HRIS systems and leveraging HR data to support decision-making.
Preferred Qualifications
- SHRM-CP, SHRM-SCP, PHR, SPHR, or equivalent HR certification preferred.
- Experience supervising or leading HR staff, including coaching, training, workload coordination, and employee development.
- Experience leading HR process improvement initiatives, workflow optimization, process standardization, and SOP development.
Pay Range
The target base salary for this role at commencement of employment is expected to be between $82,000 - $116,000 annually. Final pay determinations will depend on various factors, including, but not limited to geographical location, experience level, knowledge, skills and qualifications.
Benefits
Hamamatsu offers a competitive salary and an excellent benefit package for full-time employees which includes: Medical, Dental, Vision, Prescription, Life Insurance, Vacation/Sick/Personal Time, and Retirement Plans.
Referral Tier:2
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 (https://www.pmddtc.state.gov/index.html) and the Commerce Departments CCL (https://www.bis.doc.gov/index.php).
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.