Senior ER Advisor

FirstGroup England Mar 20, 2026

Type Full Time
Pay Not listed
Work Onsite
Contract Fixed term

Senior ER Advisor focuses on leading end-to-end case management for employee relations cases, supporting all levels of employees across gwr with a focus on performance, grievance, attendance and er related projec.

What the role involves

  • Leading end-to-end case management for employee relations cases, supporting all levels of employees across GWR with a focus on performance, grievance, attendance and ER related projec.
  • Provide Line Managers with advice and guidance on a range of employment matters including disciplinary, grievance, performance management, absence management issues and other relev.
  • Acting as the point of contact for line managers, employees and other HR team members.
  • Line manage two ER Advisors.
  • Support is provided and that legal services are used as necessary.
  • Assisting the progress of Employment Tribunal claims and liaise with the Casework Manager and Line Managers to collate all relevant case information/documentation, ensuring that appro.

Skills and requirements

  • Knowledge, and practical experience of, HR procedures, processes and practices.
  • Significant proven work experience in an HR advisor capacity.

Confirmed role details

  • This is a Full Time, fixed term role for 12 months.

Additional role context

  • Every year, we help over 100 million people travel across the South West, South Wales and London, through some of the country's most scenic routes.
  • With a modern fleet, ambitious plans for the future, and a 92% customer satisfaction score, we're on a journey of continuous improvement.
  • Provide comprehensive HR support to Line Managers, ensuring the delivery of a consistent, professional and effective service across all people policies and procedures for GWR manag.
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