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Overview

Smurfit Westrock, a global leader in paper-based packaging, are seeking an experienced Site HR Manager to join their Senior Leadership Team in Abercarn. This standalone, part-time role (25 hours/week, Mon–Fri, hybrid and flexible) offers the chance to make a real impact across both shopfloor and office teams.

Details

• Job Title: Site HR Manager (Part-time)
• Location: Abercarn
• Salary: up to £50,000 OTE (full time equivalent)
• Standard Hours: 25 hours per week; spread out over 5 days

About the Company

Smurfit Westrock are very proud to have an inclusive and welcoming environment, giving them a fantastic employer reputation.

Benefits

• Highly competitive salary
• Life Assurance x4

About the Site HR Manager Role

The Site HR Manager will be developing and implementing HR strategies aligned with the overall business objectives, alongside partnering with the Senior Leadership Team to drive organisational change and development initiatives. This role blends operational and strategic HR responsibilities, making it ideal for individuals who excel at navigating both day-to-day HR tasks and broader organisational initiatives.

• Lead and deliver both day-to-day HR operations and strategic initiatives.
• Manage recruitment, onboarding, payroll, and employee records.
• Advise on employee relations, including grievances, disciplinary actions, and union matters.
• Drive talent management, succession planning, and employee engagement.
• Foster a positive, inclusive workplace culture and support professional development.
• Partner with the Senior Leadership Team and act as a key liaison with union representatives.

About You

The successful Site HR Manager will have experience as a HR professional, preferably in a manufacturing environment.

• CIPD qualified or equivalent experience.
• Strong knowledge of HR practices, employment law, and union relations.
• Integrity, resilience, and a passion for empowering others.

Qualifications

• CIPD qualification or equivalent experience
• Strong knowledge of HR practices, employment law, and union relations

Seniority level

• Mid-Senior level

Employment type

• Part-time

Job function

• Human Resources

Industries

• Manufacturing

We’re committed to promoting inclusive opportunities. If you’re excited about a role but don’t meet every single requirement, we still encourage you to apply — your unique perspective could be exactly what they’re looking for.