Interim Senior HR Business Partner – Transformation
Location: Sussex (preferred) | Birmingham / Manchester considered | Hybrid (c.1 day/week)
PE-backed, high-growth organisation
£600–£700 per day (outside IR35) | Immediate Start | Until End of Year
Middlemore are partnering with an entrepreneurial, private equity-backed organisation to appoint an Interim Senior HR Business Partner to lead a sizeable transformation programme.
This is a high-impact role embedded within a business undergoing rapid growth and significant change, driven by investment and a focus on automation, AI-led service delivery and achieving operational efficiency.
The opportunity…
You will act as a senior, hands-on HRBP aligned to a 600-FTE client group (mid/back office) and lead the people agenda for a large-scale transformation programme which will see a streamlining of the function as efficiencies are made through Ai/Tech .
This is not a traditional advisory role, you will be responsible for owning and delivering change end-to-end, working closely with senior operational and transformation leaders.
Key responsibilities…
- Lead organisation design and workforce planning, defining the future-state operating model
- Translate strategic transformation goals into practical, deliverable people plans
- Deliver restructuring programmes, including consultation and redundancy processes
- Partner closely with Operations leadership to drive efficiency and cost transformation
- Own the people communication strategy, maintaining engagement through change
- Provide credible challenge and insight to senior stakeholders
- Ensure alignment between HR, Operations and Transformation teams
The Context…
- High-growth, PE-backed environment
- Significant transformation agenda including automation and new-systems implementation
- 600-person client group, UK based.
- Likely workforce evolution including role redesign and reduction by 20-30%
- This role will own and deliver the people side of the transformation end-to-end, with support from a HR Advisory team.
- Fast-paced, evolving environment with strong leadership visibility
What we’re looking for…
- Experienced Senior HRBP / Transformation HR Lead
- Proven track record delivering organisation design, workforce planning and restructuring
- Experience in PE-backed, high-growth or complex transformation environments
- Strong employee relations expertise, including consultation processes
- Highly commercial, pragmatic and delivery-focused
- Comfortable operating hands-on at pace in ambiguous environments
- Confident influencing and challenging senior stakeholders
Why apply…
- Opportunity to lead a business-critical transformation programme
- High visibility with senior leadership and transformation teams
- Work within a fast-growing, PE-backed business
- Immediate start with strong day rate
If you’re an experienced HR transformation specialist who thrives in fast-paced, delivery-focused environments, we’d love to hear from you.
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