Interim ER Manager

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, grievance, capability, and investigations Provide expert, pragmatic advice to senior stakeholders on employment law, policy, and best practice Develop and maintain constructive relationships with recognised trade unions, leading consultation and negotiation processes Support organisational change programmes, including restructures and TUPE where appropriate Identify trends and risks within ER activity and drive continuous improvement initiatives Coach and upskill HR colleagues and line managers to build confidence and capability in managing people issues Ensure policies and procedures remain compliant, up-to-date, and aligned with organisational values You will be an experienced employee relations professional who thrives in a complex, fast-paced environment. You will bring: Proven experience in a senior ER role within a complex, preferably public sector or similarly regulated environment Strong experience working with trade unions, including consultation and negotiation In-depth knowledge of UK employment law and its practical application Demonstrable experience handling complex and sensitive cases with sound judgement Excellent stakeholder management and influencing skills The ability to balance operational delivery with a strategic, forward-thinking approach CIPD qualification (Level 5 minimum; Level 7 desirable) or equivalent experience Please get in touch ASAP if you would like to be considered for this role