ER Case Lead London 3-month Contract - Hybrid £500 per day Umbrella ARM are delighted to be working with our client to help them recruit a HR Caseworker on a 3 month contract. The Role: Lead and manage a portfolio of ER cases including disciplinary, grievance, performance, long-term sickness, and conduct matters. Ensure all casework is accurately documented, legally compliant, and resolved in a timely and fair manner. Manage flexible working requests, changes to terms and conditions, and exit processes. Support the delivery of formal processes including redundancy consultations and TUPE transfers. Provide expert guidance to line managers and HR Business Partners on employment law and ER best practices. Coach stakeholders on conflict resolution, policy interpretation, and procedural fairness. Escalate cases appropriately while maintaining ownership of resolution pathways. Requirements: Proven experience in managing complex ER cases in a fast-paced, matrixed organisation. Strong knowledge of UK employment law and HR policy frameworks. Excellent communication, coaching, and stakeholder management skills. Ability to handle sensitive matters with discretion and professionalism. Experience working with cross-functional teams including Legal and Compliance. Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Manag...