Senior HR Advisor FTC in City of Westminster

This role sits within the OneER part of the team, alongside the wider HR Team. Your specialist area and focus will be all things Employee Relations, providing comprehensive advice and service across the varied departments of Addison Lee. You will also provide frequent coaching and guidance to the business' managers and senior members of staff on our policies and processes.

This role is a FTC contract for 3-6 months, based at our head office in Paddington with travel to our West Drayton and Liverpool sites once a month/as required (with hybrid working).

This role reports to the Senior HR Business Partner.

• Manage a high volume of Employee Relations cases end-to-end, including disciplinary, grievance, absence management, performance, and workplace investigations.
• Provide expert advice and guidance to managers on ER issues, ensuring consistency and alignment with company policy and employment law.
• Lead and support complex and sensitive cases, including investigations and hearings.
• Ensure all ER cases are handled in a fair, timely, and legally compliant manner.
• Coach and mentor a HR Advisor (Peterborough‑based), developing their capability in ER case management and stakeholder engagement.
• Coaching and providing support to line managers in building confidence and capability in handling people matters.
• Data driven and analytic approach to managing ER along with ongoing reporting of key metrics.
• Maintain accurate documentation and case records, producing reports and insights where required.
• Identify trends in ER activity and provide recommendations to mitigate risk and improve practices.
• Collaborate with wider HR teams to ensure a consistent and high‑quality HR service.
• Understand and keep up to date with new employment legislation and to proactively seek out HR initiatives that can be implemented at Addison Lee.

• Proven experience in a HR Advisor or similar role within a fast‑paced environment.
• Strong Employee Relations expertise, with demonstrable experience managing complex cases independently.
• Solid knowledge of UK employment law and HR best practice.
• Experience in coaching, mentoring, or developing junior HR colleagues.
• Excellent communication and influencing skills, with the ability to engage stakeholders at all levels.
• Strong organisational skills and ability to manage multiple priorities.
• Professional, pragmatic, and solutions‑focused approach.

• CIPD Level 5 qualification or relevant experience.
• Experience of delivering people management training workshops.

• Salary of up to £55,000.
• 2 days paid volunteering leave a year.
• Wellness Program.
• Cycle to Work Scheme.
• 33 days Annual Leave (incl. bank holidays).
• Life Insurance (Death in Service).
• Extensive retail discounts via Reward Gateway (e.g. 5% off most major supermarkets).
• Support with professional training and qualifications via apprenticeships.
• Season Ticket Loans, Discounted Cabs and Courier services (within London).