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Interim HR Lead – Workforce Transformation | Unionised Environment | Immediate Start - Exclusive - 6-12 Months - Day Rate inside IR35

Oliver Sanderson Group PLClondon, london🇬🇧United KingdomPosted 7 Sept 2026

Why This Role Stands Out

This remote, interim HR Lead role offers a unique opportunity to drive significant workforce transformation within a reputable organization, leveraging your expertise in unionized environments. You will thrive if you possess strong experience in collective consultation and complex change management, making a substantial impact on a critical program. Apply now to gain valuable experience and contribute to a major business initiative.

Quick Overview

Seniority
Mid Senior
Work mode
Remote
Location
london, london, United Kingdom
Employee Relations

Job Description

We’re exclusively partnering with a major Business Services organisation to appoint an experienced Interim HR Lead for a significant workforce transformation programme.


We’re looking for a senior HR professional who really understands unionised workforces, collective consultation and complex changes to terms and conditions.


We’re looking for:

  • Significant senior HR experience within a large, complex organisation
  • Strong trade union and collective consultation experience
  • Expertise across terms & conditions, pay & reward, working hours, shifts, leave and employee relations
  • Experience delivering large-scale workforce transformation and modernisation
  • Strong knowledge of UK employment practices
  • Ability to influence and challenge senior stakeholders
  • Experience managing complex people risks, governance and implementation


Contract: 6 - 12 months, potentially extending to 18 months

Start: Immediate / September

Location: Predominantly remote with occasional office travel

Day rate: Inside IR35 – competitive day rate


If you’re a senior HR professional who has led complex workforce change in a highly unionised environment and can hit the ground running, we want to hear from you.

Please message me directly or send your CV for a confidential conversation.


Oliver Sanderson is an award-winning executive search firm recognised for its path-breaking contributions to ED&I and digital recruitment innovation, specialising in finding outstanding talent at Board and Senior Leadership level.

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