Senior Employee Relations Advisor

Job Title:

Senior Employee Relations Advisor

Location:

Runcorn, UK

Salary:
Up to £45,000 dependant on experience

Hours:

Monday to Friday 09.00 – 17.15

We’re looking for an experienced Senior Employee Relations Advisor to deliver a high-quality, risk‑aware, and solutions‑focused ER service across our diverse organisation of 5,500+ colleagues. This is a fantastic opportunity for someone who thrives in a fast‑paced, high‑volume environment and is passionate about driving fair, consistent, and legally compliant outcomes.

• Act as a senior point of contact for complex ER matters, providing expert advice and guidance.
• Manage high‑volume ER casework including disciplinary, grievance, performance, and absence management.
• Handle ACAS conciliation, mediation, and prepare case bundles for Employment Tribunals.
• Coach and mentor managers and junior ER colleagues to build capability and confidence.
• Collaborate with HR Business Partners and senior leaders to influence ER strategy and embed best practice.
• Contribute to policy development and continuous improvement initiatives.
• Travel across our UK sites as needed to support complex cases and deliver training.

• Extensive experience as a Senior ER Advisor or Specialist in a high‑volume environment (Retail or Distribution preferred).
• Excellent knowledge of UK employment law and ER best practice.
• CIPD Level 5 or equivalent experience.
• Proven experience with ACAS conciliation, mediation, and Employment Tribunal preparation.
• Strong communication, influencing, and stakeholder management skills.
• High integrity, professionalism, and ability to handle sensitive information.
• Proficiency in Microsoft Office and HRIS systems (iTrent experience is a plus).

• Up to £45,000 dependant on experience
• 22 days (pro rata) annual leave plus bank holidays, increasing with length of service
• Medicash – a health cash plan to support everyday healthcare costs (e.g. eyecare, prescriptions)
• iTrent Financial Wellbeing – an app to help manage and access your pay flexibly
• High street discounts and offers
• Employee Assistance Programme (EAP)
• Contributory Pension Scheme
• Opportunity to work flexibly after onboarding (typically 4 days office / site-based, 1 day from home).