Senior Employee Relations Specialist

  • Pontoon
  • City, London
  • Feb 26, 2026
Contractor HR / Recruitment

Job Description

Senior Employee Relations Specialist
Day rate:
£500 per day inside IR35 via umbrella
Contract length: Minimum 2 months, strong possibility of extension
Location: Fully remote (very occasional London visit, if ever required)

We are partnering with a well-known global organisation seeking an experienced Senior Employee Relations Specialist to provide immediate support during a period of high ER case volume. This is a fantastic opportunity for an ER professional who enjoys meaningful work, autonomy, and the chance to make an immediate impact.

Key Responsibilities

  • Manage a diverse and often complex portfolio of ER cases, including sickness, grievance, performance and workplace disputes.
  • Support cases from early intervention through to ACAS and tribunal preparation where required.
  • Provide credible ER advice to HR Business Partners and line managers across the organisation.
  • Work with global colleagues, adapting your approach to different cultures and ways of working.
  • Help reduce existing case backlogs by delivering high-quality case progression with pace and accuracy.
  • Offer coaching and guidance to non-ER HR colleagues where needed.

Skills & Experience We're Looking For

Essential

  • Strong, hands-on experience managing high-volume ER casework.
  • Confident handling cases up to ACAS and tribunal level.
  • Background within a large or complex organisation.
  • Ability to work autonomously and pick up cases quickly with minimal hand-holding.
  • Strong communication skills and the gravitas to advise senior stakeholders.

Desirable

  • Experience working across multiple geographies or with culturally diverse teams.
  • Previous interim or contract ER experience.
  • Comfortable supporting change and navigating ambiguity.

Please note: Due to the high volume of applications, only successful candidates will be contacted. If you do not hear from us within 48 hours, unfortunately, your application has not been successful on this occasion. However, we may retain your details for any future suitable vacancies and contact you accordingly.

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.

We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention.