Senior HR Business Partner: Employee Relations & Engagement

MKS Instruments, Inc.; Irvine (CA); Hybrid; USD 90,000 - 110,000; Full time

Benefits offered by this job

Health insurance (medical, dental, and

401(k) with company match

Life and disability insurance

12 paid holidays

Sick time

15 paid vacation days

Parental leave (6 weeks)

Tuition reimbursement

Job summary

MKS Instruments, Inc. is seeking a Senior HR Business Partner, People Relations, to act as the primary site HR partner for the Irvine team. You will foster a positive culture, address employee relations, and drive local talent initiatives aligned with business goals.

You will report to the HR Manager, People Relations and supervise an Associate HR Generalist. The role emphasizes compliance, data-driven insights, and strategic partnership with site leadership.

Qualifications

• Bachelor's degree in Human Resources, Business Administration, Organizational Development, or a related field.
• 5+ years of progressive HR experience with employee relations expertise.
• Experience with investigations, corrective actions, and policy interpretation.
• Experience supporting manufacturing, operations, engineering, or product development environments.

Responsibilities

• Serve as the primary site-based HR partner for Irvine employees and leaders.
• Address employee relations matters, coaching, investigations, and compliance.
• Partner with site leadership on workforce planning, engagement, and organizational effectiveness.
• Leverage HR data and metrics to drive improvements in retention and culture.

Skills

Employee relations

Investigations

Policy interpretation

Coaching managers

Workforce planning

HR metrics

Education

Bachelor's degree in HR or related field

Tools

Workday

Job description

MKS Instruments, Inc. is seeking a Senior HR Business Partner, People Relations, to act as the primary site HR partner for the Irvine team. You will foster a positive culture, address employee relations, and drive local talent initiatives aligned with business goals.

You will report to the HR Manager, People Relations and supervise an Associate HR Generalist. The role emphasizes compliance, data-driven insights, and strategic partnership with site leadership.