Senior Employee Relations Advisor
| Posting date: | 18 December 2025 |
|---|---|
| Salary: | Not specified |
| Additional salary information: | Up to £45,000 dependant on experience |
| Hours: | Full time |
| Closing date: | 16 January 2026 |
| Location: | Runcorn, Borough of Halton, WA7 3DJ |
| Company: | Phoenix Medical Supplies |
| Job type: | Permanent |
| Job reference: | kal-PHOENIXMedicalSuppliesLimited-45951-63737-en |
Summary
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).
#VP25