People & Employee Relations Advisor

The Company

Imerys is the world’s leading supplier of mineral-based specialty solutions for the industry with €3.4 billion in revenue and 12,300 employees in 40 countries in 2025. The Group offers high value-added and functional solutions to a wide range of industries and fast-growing markets such as solutions for the energy transition and sustainable construction, as well as natural solutions for consumer goods. Imerys draws on its understanding of applications, technological knowledge, and expertise in material science to deliver solutions which contribute essential properties to customers’ products and their performance. As part of its commitment to responsible development, Imerys promotes environmentally friendly products and processes in addition to supporting its customers in their decarbonization efforts.

Imerys is listed on Euronext Paris (France) with the ticker symbol NK.PA.

People & Employee Relations Advisor

Imerys | UK (Multi-site, operational environment)

Permanent | Full time

Salary £32,000–£36,000

Location: St Austell, Cornwall

Relocation support may be available for the right candidate

Imerys is recruiting two People & Employee Relations Advisors to join the UK HR function, supporting operational sites across a complex, unionised environment. This is a practical, site-focused role, suited to HR professionals with strong Employee Relations experience within industrial or safety-critical organisations.

The Role

The People & Employee Relations Advisor provides hands-on HR and ER support across multiple UK sites. Working closely with managers, site leadership, employees and union representatives, the role is key to ensuring people practices are applied consistently, fairly and in line with UK employment law.

You will be a visible and approachable HR presence, supporting day-to-day people matters while ensuring HR processes are delivered accurately and effectively within a demanding operational setting.

Key Responsibilities

• Deliver end-to-end HR operational support across the employee lifecycle, including onboarding, contracts, changes to terms and conditions and leavers

• Manage and support Employee Relations cases, including disciplinary, grievance, absence, performance and conduct matters

• Lead and support investigations and formal processes, ensuring procedural compliance and accurate documentation

• Provide practical advice and guidance to managers on policies, procedures and ER matters within a unionised environment

• Maintain accurate HR records, ER case logs and people data within Workday and associated tracking tools

• Support payroll processes through timely and accurate submission of people data

• Build strong working relationships with managers, supervisors and employees across multiple operational sites

• Contribute to continuous improvement of HR and ER processes, documentation and ways of working

• Provide on-site HR support and engagement, adapting to operational priorities

About You

This role will suit someone who is detail-focused, practical and confident working within a unionised, operational environment.

• Proven experience working in a unionised organisation

• Hands-on experience supporting and managing Employee Relations processes

• Working knowledge of UK employment law and its practical application

• Experience within complex, industrial or safety-critical environments such as mining, manufacturing, rail or similar

• Understanding of operational realities, including shift patterns, site-based pay structures and allowances

• Strong organisational skills with the ability to manage workload independently

• Process-driven but pragmatic approach, with examples of improving HR or ER processes

• Experience using HR systems, with Workday preferred, and confidence working with data, including Google Sheets

• High attention to detail and clear, professional communication skills

Qualifications

• CIPD Level 3 or Level 5 qualification, or working towards

• Additional Employee Relations or employment law-focused training is desirable

Team and Working Environment

You will join a collaborative team of People & Employee Relations Advisors, sharing workload across People Operations and ER activity. Regular engagement with operational sites is essential, and the role requires a team-focused approach.

On-site presence is required, particularly during the probation period. Hybrid working may be considered after this period, at the company’s discretion.

Salary and Benefits

• Salary range £32,000–£36,000

• 25 days’ holiday plus bank holidays

• Generous pension plan with employee contributions of 3%–6% and employer contributions of 6%–9%

• Group life assurance

• Income protection

• Private medical insurance

• Generous company sick pay scheme

• Enhanced family-friendly policies

• Cycle to Work scheme

• Employee Assistance Programme

• Employee discount portal

Why Join Imerys

Imerys is a global organisation focused on responsible, sustainable operations. You will be part of a business where environmental performance is central to decision-making, and where your expertise will directly shape how our sites operate.
 We are committed to creating an inclusive workplace and welcome applications from individuals of all backgrounds.

and

Only technical issues will be monitored through the below inbox:

recruiting.support@ imerys.com

PLEASE DO NOT SUBMIT RESUMES OR APPLICATIONS TO THIS EMAIL, AS THEY WILL NOT BE REVIEWED. 

To ensure fairness and legal compliance in our recruitment processes, only applications received through the online application process will be considered. 

IMERYS is an Affirmative Action and Equal Opportunity Employer and it is our policy to not discriminate against any employee or applicant for employment because of race, color, religion, sex, national origin, age, marital status, sexual orientation, gender identity, genetic information, disability, veteran status, or any other status protected by federal, state or local laws.