HR Business Partner

lumentumยท Lumentum Japan, Inc.
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About this role

It's fun to work in a company where people truly BELIEVE in what they're doing!
We're committed to bringing passion and customer focus to the business.

If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!

Key Responsibilities

1. HR Operations

  • Manage employee-related HR processes, including onboarding, transfers, promotions, leaves of absence, organizational changes, and offboarding.
  • Maintain accurate employee data and employment-related documentation.
  • Coordinate with Payroll, Benefits, other HR teams, and external vendors.
  • Respond to employee questions regarding HR policies, programs, and procedures.
  • Identify opportunities to improve the efficiency and effectiveness of HR processes.

2. HR Business Partnering & Manager Support

  • Serve as a day-to-day HR contact for employees and managers.
  • Support managers on organizational changes, workforce planning, employee development, and other people-related matters.
  • Translate HR and management decisions into concrete actions and coordinate implementation with relevant stakeholders.
  • Track and follow up on agreed HR initiatives and actions through completion.
  • Support the implementation and operation of global and regional HR programs in Japan.

3. Talent Development & Learning

  • Coordinate and follow up on talent reviews, succession planning, and employee development plans.
  • Work with managers to identify individual and organizational development needs.
  • Plan and coordinate manager training, employee development, and other internal learning programs.
  • Implement global and regional learning and development programs in Japan.
  • Follow up on learning initiatives and continuously improve programs based on feedback and business needs.

4. Employee Relations & Performance Management

  • Provide first-line support for employee relations and workplace-related issues.
  • Work with senior HR colleagues on more complex or sensitive cases.
  • Support managers with performance evaluations, feedback, and performance improvement.
  • Coordinate company-wide HR processes, including annual performance reviews.

5. Talent Acquisition Support

  • Partner with the dedicated Talent Acquisition professional, who leads recruiting activities, and provide support from an HR and organizational perspective as needed.
  • Participate in selected interviews and hiring discussions.
  • Support offer discussions and related activities.
  • Support onboarding and help new employees successfully integrate into the organization.

Qualifications

  • Approximately 3-6 years of hands-on HR experience.
  • Experience in HR Operations, HR Generalist, plant HR, HR Business Partnering, or a related role.
  • Practical experience with employee lifecycle processes such as onboarding, transfers, leaves of absence, and offboarding, as well as supporting employees and managers.
  • Basic knowledge of Japanese labor practices and HR policies and processes.
  • HR experience in a manufacturing environment, such as semiconductor, electronics, automotive, or automotive components, is highly desirable.

Language Skills

  • Japanese: Native level
  • English: Conversational level
  • English communication is an important part of this role. The successful candidate should be able to participate in meetings with global HR colleagues, explain situations, ask questions, and express their views in English. We value a willingness to communicate proactively in English more than perfect fluency. There will also be opportunities to prepare documents and presentation materials in English.

What We Are Looking For

  • Someone who has a genuine interest in manufacturing and wants to support not only the business and products, but also the people and organization behind them.
  • Someone who values the fundamentals of HR, pays attention to detail, and reliably follows through on responsibilities.
  • Someone who wants to build broader HR experience in a global environment while using English in their day-to-day work.
  • Someone who wants to develop a deep understanding of one business and organization and contribute to its long-term development.
  • Someone who is proactive rather than waiting for instructions, and can identify HR challenges, propose improvements, and take action.
  • Someone who can form their own hypotheses, make sound judgments, and take action even in a fast-changing and sometimes ambiguous environment.

We are an equal opportunity employer and value diversity at our company.

We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment.

Please contact us to request accommodation.

Frequently Asked Questions

Is the salary disclosed for the HR Business Partner position at lumentum?
The salary for this HR Business Partner role at lumentum is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the HR Business Partner position at lumentum located?
This HR Business Partner role at lumentum is based in Japan - Sagamihara, Japan - Tokyo (Takao). The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the HR Business Partner role at lumentum full-time or part-time?
This is listed as a Full time position. It is posted as a HR Business Partner role in the Lumentum Japan, Inc. department at lumentum.
Which team or department does the HR Business Partner at lumentum belong to?
This HR Business Partner position is part of the Lumentum Japan, Inc. department at lumentum. See the full job description for more information about the team structure and responsibilities.
How do I apply for the HR Business Partner position at lumentum?
Click the "Apply Now" button on this page. You will be redirected to lumentum's official application portal hosted on workday where you can submit your application directly.
When was the HR Business Partner job at lumentum posted?
This HR Business Partner position at lumentum was posted on Sep 16, 2026. Apply as soon as possible โ€” early applications are often reviewed first.
HR Business Partner
lumentum
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