HR Business Partner- Cerritos, Ontario & Corona CA

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. To learn more about this posting, please contact your recruiter during the hiring process. You may apply online at Smurfit Westrock External Careers and the application window is expected to close by 30-Nov-2026.

GENERAL INFORMATION

• Job ID
• ATR65977
• Posting Job Title
• HR Business Partner- Cerritos, Ontario & Corona CA
• Locations
• CA Corona Container
• Employment Type
• Full Time
• Date Posted
• 27-Aug-2026
• Relocation Support
• No