HR Business Partner (Employee Relations) UK876870/LI in Slough

Location: London | Hybrid Working (3 days on-site)

Morgan Philips is partnering with a fast-paced, operationally driven organisation to appoint an experienced HR Business Partner with deep expertise in high-volume employee relations, TUPE, and unionised environments. This role is ideally suited to a resilient and commercially minded HR professional who thrives in complex, high-risk settings. You will play a critical role in managing large-scale ER activity, navigating union relationships, and leading TUPE and change programmes, acting as a trusted advisor to operational leadership.

The Role

This is a hands-on, high-impact position in a demanding environment where ER volume, risk management, and stakeholder engagement are central to success. Key responsibilities include:

• Managing a high volume of complex ER casework end-to-end, including disciplinaries, grievances, absence, capability, and dismissals, often within tight operational timeframes.
• Acting as the key point of contact for trade unions and employee representatives, leading consultations and maintaining effective working relationships.
• Leading and supporting TUPE transfers, including due diligence, consultation with unions and employees, risk assessment, and post-transfer integration.
• Advising senior operational leaders on complex and high-risk employee issues, balancing legal risk with commercial realities.
• Supporting organisational change activity, including restructures, redundancies, and collective consultations.
• Coaching line managers to confidently handle ER matters, particularly in unionised and high-pressure environments.
• Ensuring full compliance with UK employment law, minimising legal exposure and financial risk.
• Driving consistency and improvements in ER processes, policies, and governance across the business.

About You

• Proven HR Business Partner experience within unionised and operational environments such as construction, engineering, logistics, manufacturing, or infrastructure.
• Extensive experience managing high-volume ER caseloads, with clear ownership and accountability for outcomes.
• Strong experience working with trade unions, including negotiations and formal consultation processes.
• Demonstrable expertise in TUPE, with the ability to clearly articulate your involvement and impact across multiple transfers.
• In-depth knowledge of UK employment law, with the ability to apply it pragmatically in fast-paced, high-risk situations.
• Comfortable operating in environments where multiple ER cases, TUPE activity, and union engagement run concurrently.
• Strong stakeholder management skills, with confidence to influence and challenge senior leaders.
• Highly resilient, practical, and solutions-focused.
• CIPD qualified (or equivalent experience).

What Will Set You Apart

• Experience managing large-scale ER case volumes in unionised settings.
• A strong track record of leading or supporting TUPE programmes involving union consultation.
• Experience handling collective ER issues and overlapping risk scenarios.
• The ability to balance legal compliance with operational urgency in demanding environments.
• A proactive approach to improving ER frameworks and ways of working.

Why Apply?

• High-impact role with a strong focus on ER, TUPE, and union engagement.
• Opportunity to work closely with senior operational leadership on business-critical challenges.
• Fast-paced, complex environment where your expertise will be relied upon daily.
• Significant scope to shape and strengthen ER and HR delivery.

Interested? For a confidential discussion, please apply via Morgan Philips.