An exciting opportunity has arisen for an experienced Interim Employee Relations Manager to join our client for a period of 6 months to lead and shape a proactive, high-quality ER service within a complex, unionised environment. This role is central to ensuring the organisation maintains positive industrial relations, manages risk effectively, and supports a culture of fairness, inclusion, and accountability.

You will be responsible for delivering expert advice on a wide range of employee relations matters, from individual casework through to large-scale organisational change. Working closely with senior leaders, HR colleagues, and trade union representatives, you will play a pivotal role in influencing outcomes and maintaining strong relationships across the organisation.

This role requires 3 days a week onsite in central London, with 2 days working from home.

Key responsibilities:

Lead on complex employee relations cases, including disciplinary, grieva...