HR Business Partner- Cerritos, Ontario & Corona CA

Smurfit-Westrock; Corona (CA); On-site; USD 81,000 - 135,000; Full time

Benefits offered by this job

Health insurance

401k with match

Tuition reimbursement

Employee discounts

Paid time off

Job summary

Smurfit Westrock, a leader in sustainable packaging, is seeking an HR Business Partner to support multiple California facilities (Cerritos, Ontario, Corona). You will handle employee relations, performance management, talent development and HR metrics as a strategic partner to the business.

You will champion safety programs, collaborate with Talent Acquisition on recruitment, and drive adherence to EEO, FMLA, ADA and wage laws while coaching managers on policy interpretation. Travel is required.

Qualifications

• 3–5 years HR experience.
• Bachelor's degree required (or relevant experience).
• SHRM or HRCI certifications are a plus.

Responsibilities

• Provide day-to-day HR support for multiple CA facilities.
• Manage employee relations, performance management, and talent development.
• Develop HR metrics and drive continuous improvement across HR services.
• Collaborate with Talent Acquisition on recruitment and onboarding.
• Ensure compliance with EEO, FMLA, ADA, wage and hour laws.
• Provide training on topics like harassment and diversity.

Skills

Employee relations

Performance management

Talent management

HR metrics

Communication

Microsoft Office

HRIS

Analytical thinking

Change management

Team building

Education

Bachelor's degree in Human Resources or related field

Tools

HRIS systems

Microsoft Office Suite

Job description

Locations

Employment Type

Full Time

Date Posted

27-Aug-2026

Relocation Support

No

Description & Requirements

Smurfit Westrock (NYSE:SW) is the go-to leader and partner of choice in sustainable packaging. We are dedicated to creating efficient and scalable paper and packaging solutions to help solve complex packaging challenges. Guided by our values of safety, loyalty, integrity and respect, we are committed to delivering meaningful value for shareholders, customers, employees and the communities where we operate.

The HRBP will provide day-to-day HR functional support to multiple facilities in CA. This position will have responsibility for employee relations, performance management, talent management and human resources metrics. The HR Business Partner will be responsible for driving continuous improvement of human resources services as a strategic partner to the business for Cerritos, CA, Ontario, CA & Corona, CA.

How you will impact WestRock:

• Champions and supports Smurfit Westrock safety programs and policies.
• Creates strategic business partnerships with front-line employees and supervisors to promote positive employee relations.
• Creates progressive discipline plans to monitor, review and make suggestions for corrective actions for attendance, punctuality, conduct and performance issues.
• Implements human resource policies and procedures to ensure compliance with Federal and State regulatory requirements including EEO, FMLA, ADA, and federal and state wage and hour laws.
• Coaches and advises front-line employees and managers regarding employee relations policies, policy and procedure interpretation and proper operating procedures.
• Partner with Talent Acquisition to manage the recruiting process and ensure accurate, market-based compensation recommendations are provided and best-in-class onboarding practices are utilized.
• Investigates questions and/or complaints to resolve employee relations issues.
• Conducts periodic training on applicable topics including sexual harassment, diversity, and employment law.
• Responsible for being a key member and contributor of safety-related and performance excellence processes.
• Travel as required.

What you need to succeed:

• Bachelor's degree in Human Resources, Business Administration, or a related field required; relevant professional experience may be considered in lieu of a degree
• A minimum of 3-5 years of Human Resources experience. SHRM or HRCI certifications are a plus.
• Strong written, verbal, and presentation communication skills.
• Ability to investigate and assess employee conflicts objectively and solve such issues using a variety of methods and tools, including coaching and conflict resolution.
• Proficiency in Microsoft Office Suite (Word, Excel, PowerPoint, Outlook) and HRIS systems.
• Attention to detail with strong organizational skills.
• Bring assignments to successful completion under specific deadlines.
• Effective at multi-tasking and managing multiple priorities.
• Ability to lead change.
• Team building and influencing skills.
• Strong analytical/problem-solving ability.

What we offer:

• Corporate culture based on integrity, respect, accountability, and excellence.
• Comprehensive training with numerous learning and development opportunities.
• An attractive salary reflecting skills, competencies, and potential.
• Benefits package to include medical, dental, vision, life insurance, 401k with match, tuition reimbursement, employee discounts, employee referral bonus, and much more!
• A career with a global packaging company where Sustainability, Safety and Inclusion are business drivers and foundational elements of the daily work.

Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status or other characteristics protected by state or federal law.

The salary range for this position is $81,000.00 - $135,000.00, depending on your role, level, and location. The range listed is also the expected pay for roles in Illinois and Colorado. The benefits for this role include short-term bonus incentive, health, dental and vision insurance, flexible spending accounts or health savings accounts, retirement savings plans, life and disability insurance programs, and paid sick leave as required by applicable state/local law, 15 days of paid vacation, and 11 days of paid holidays, subject to annual change. Your pay will be based on factors such as your skills, experience, and education.