Senior Employee Relations (ER) Advisor Central London Up to £44,500 Permanent The Opportunity This is a rare opportunity for a high-calibre ER specialist to join a leading rail operations company during a significant period of business transition. This role is designed for a professional who thrives in a fast-paced environment and is looking for a career-defining challenge. You will play a key role in navigating organisational change, offering a unique platform to showcase your expertise in high-level industrial relations and complex case management. For the right candidate, this role offers a clear path toward strategic HR leadership.Responsibilities: Caseload Management: Act as the primary lead for a busy ER caseload, ensuring disciplinaries, grievances, and long-term sickness matters are concluded fairly, consistently, and with a focus on resolution. Industrial Relations: Serve as a key point of contact for Trade Unions, utilising your expertise to manage challenging negotiations and build productive, professional working relationships. Expert Advisory: Provide legally compliant, first-line advice to management on HR policies, flexible working, and robust investigation processes. Absenteeism and Support: Proactively analyse attendance trends and work alongside managers to implement supportive strategies that reduce absenteeism and help colleagues thrive in their roles. Change Management: Support the wider HR team in delivering organisational change and integration project