Senior Employee Relations Advisor

Phoenix Medical Supplies; Runcorn; Hybrid; GBP 38,000 - 45,000; Full time

Job summary

A leading medical supplies company in the UK is seeking a Senior Employee Relations Advisor to provide expert guidance on complex ER matters. The role involves managing high-volume ER casework, coaching managers, and contributing to policy development. Ideal candidates will have extensive experience in a fast-paced environment, strong knowledge of UK employment law, and proficiency in HR systems. This position offers a competitive salary along with various employee benefits and opportunities for flexible work arrangements.

Benefits

22 days annual leave plus bank holidays

Health cash plan

Employee Assistance Programme

Contributory Pension Scheme

High street discounts

Flexible work opportunities

Qualifications

• Extensive experience as a Senior ER Advisor or Specialist in a high-volume environment.
• Proven experience with ACAS conciliation, mediation, and Employment Tribunal preparation.
• High integrity and professionalism.

Responsibilities

• Act as a senior point of contact for complex ER matters.
• Manage high-volume ER casework including disciplinary and grievance.
• Contribute to policy development and continuous improvement.

Skills

Excellent knowledge of UK employment law

Strong communication skills

Stakeholder management

Coaching and mentoring

Education

CIPD Level 5 or equivalent experience

Tools

Microsoft Office

HRIS systems (iTrent experience a plus)

Job description

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.

What you’ll do

• 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.

What we’re looking for

• 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).

What we offer

• 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).