Jobs Companies Lumentum HR Business Partner

About this HR Business Partner role at Lumentum

Lumentum · Onsite · Japan - Sagamihara

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.

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About Lumentum

Lumentum is illuminating the networks of tomorrow with advanced photonic technologies that enable AI, data centers, telecom, industrial, and sensing applications. As AI accelerates the global demand for bandwidth and energy efficiency, we deliver the building blocks that keep data moving reliably, efficiently, and at massive scale. Our optical products support AI and compute infrastructure, cloud and DCI environments, metro and long-haul networks, while our lasers drive breakthroughs in precision manufacturing and sensing. For nearly five decades, Lumentum has been at the intersection of light and innovation. What began as a vision with JDS Uniphase to harness the power of photonics has evol

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