Location: Heathrow Terminal 5

Contract / Inside IR35

About the role

We’re looking for an experienced Employee Relations / Casework Specialist to provide expert leadership on complex and high‑risk employee relations matters within a safety‑critical, unionised operational environment.

This role is critical in ensuring employee relations cases are handled lawfully, consistently and with sound professional judgement. You’ll act as a trusted specialist partner to operational leaders and HR Business Partners, supporting robust decision‑making across a wide range of ER issues while protecting operational, legal and reputational integrity.

What you’ll be doing

• Leading and managing complex and high‑risk employee relations cases end‑to‑end, including conduct, performance, grievance, absence, capability and dignity at work matters
• Coaching, guiding and constructively challenging leaders to ensure effective case handling and fair, defensible outcomes
• Working closely with Legal, HR, Policy teams and Trade Union representatives to resolve issues pragmatically and professionally
• Maintaining high standards of documentation, governance and consistency, ensuring alignment with policy, employment law and best practice
• Identifying themes, trends and systemic risks emerging from casework and contributing to the continuous improvement of ER capability across Operations

What we’re looking for

• Significant experience managing complex and high‑risk ER casework in large, operational and unionised organisations
• Strong, practical knowledge of UK employment law, ideally within safety‑critical environments
• Excellent professional judgement, with the confidence to remain calm, credible and effective in sensitive or high‑pressure situations
• Strong influencing, coaching and stakeholder management skills, with the ability to partner effectively with senior leaders
• High levels of resilience, attention to detail and the ability to manage competing priorities at pace

Why join us?

• Opportunity to work in a high‑impact, specialist role with real influence
• Exposure to complex, meaningful casework in a safety‑critical operational setting
• Collaborative environment with strong professional colleagues across HR, Legal and Operations
• Competitive reward package and ongoing professional development