Full job descriptionInterim HR Advisor - ER focus
London Hybrid, Immediate start
6 month duration

An exciting immediate opportunity for an Interim HR Advisor with a strong Employee Relations (ER) focus to support a large, unionised transport organisation. This role is ideal for a hands-on HR professional with proven experience managing complex ER cases, working closely with trade unions, and operating effectively in a fast-paced, operational environment.The successful candidate will play a key role in maintaining positive industrial relations, ensuring compliance, and supporting operational leaders through a variety of ER matters during a critical period.

Your New RoleAs an Interim HR Advisor (ER), you will:
*Provide expert advice and guidance on a wide range of employee relations matters, including disciplinaries, grievances, absence management, and performance issues.
*Support line managers in handling complex and high-volume ER cases, ensuring fair and consistent outcomes.
*Provide advice and guidance to Managers on policy and procedures
*Write and update policies
*Maintain HR database and mange data and reporting
*Work closely with trade union representatives, attending meetings, consultations, and negotiations where required.
*Help maintain positive industrial relations, balancing organisational objectives with employee and union needs.
*Advise on and support formal processes, including investigations, hearings, and appeals.
*Ensure compliance with employment law, internal policies, and collective agreements.
*Contribute to workforce planning initiatives, restructures, and organisational changes where necessary.
*Support the HR team in embedding best practice across people policies and procedures.
*Maintain accurate case documentation and produce reporting insights where required.
*Coach and upskill line managers to improve confidence and capability in managing ER issues.
*Support with other ad hoc projects as they arise.

What You’ll Need to Succeed
*Proven experience in an HR Advisor or ER-focused role, ideally within a unionised or heavily regulated environment (transport, logistics, public sector or similar).
*Strong working knowledge of employee relations processes and UK employment legislation.
*Experience dealing with trade unions and collective consultation processes.
*HRIS, data and reporting - workday would be an advantage
*Ability to manage a high volume of complex cases with professionalism and resilience.
*Excellent stakeholder management and communication skills.
*Pragmatic, solutions-focused approach with strong attention to detail.
*Ability to work independently in an interim, fast-paced environment and hit the ground running.




What you need to do now


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