Senior Human Resources Business Partner

SRG; Hounslow; On-site; GBP 70,000 - 100,000; Full time

Job summary

SRG in Hounslow/Heathrow is seeking an experienced Senior HR Business Partner to support a large, complex, and highly regulated workforce. This on-site role collaborates with senior leaders to shape and deliver a strategic people agenda focused on performance, engagement, and organisational effectiveness.

The position requires extensive ER expertise, strong stakeholder management, and the ability to navigate unionised environments in a fast-paced setting.

Qualifications

• Senior HRBP experience in a large, complex organisation.
• Experience in unionised environments.
• Strong analytical capability using HR metrics.
• Excellent communication and stakeholder management.

Responsibilities

• Strategic Business Partnering: develop and deliver a people plan aligned to priorities and act as a trusted advisor to senior operational leadership.
• Leadership & Stakeholder Management: coach senior leaders and drive initiatives without direct line management.
• Organisational Effectiveness & Workforce Planning: lead workforce planning and design reviews to align with operational demand.
• Employee & Industrial Relations: provide guidance on complex ER cases and maintain relationships with unions and employee representatives.
• Change Management: lead HR workstreams for transformation, TUPE, mobilisation and business improvement initiatives.

Skills

Stakeholder management

Employee relations

Change management

Performance improvement

Data-driven HR

Education

CIPD qualification Level 5 or above

Job description

Location: Hounslow / Heathrow (5 days onsite)

Contract: 3-Month Contract

Start Date: Immediate

Overview

We are seeking an experienced Senior HR Business Partner to support a large-scale, complex operational workforce within a highly regulated, customer-focused environment. This role will partner closely with senior operational leaders to develop and deliver a strategic people agenda that supports workforce performance, leadership capability, organisational effectiveness, employee engagement, and operational excellence. Based onsite at Heathrow, this is a hands-on business partnering role requiring strong stakeholder management and experience operating within a fast-paced unionised environment.

Key Responsibilities

Strategic Business Partnering

• Develop and deliver a comprehensive people plan aligned to operational priorities and business objectives.
• Act as a trusted advisor to senior operational leadership, providing commercially focused HR guidance.
• Translate business requirements into actionable workforce, culture, and people initiatives.
• Identify and mitigate people-related risks impacting service delivery and business performance.
• Support governance activities and contribute to senior leadership decision-making.

Leadership & Stakeholder Management

• Coach and influence senior leaders to improve leadership capability and accountability.
• Drive people initiatives through collaboration and influence without direct line management responsibility.
• Coordinate support from specialist HR functions including Employee Relations, Talent Acquisition, Learning & Development, Engagement, and Organisational Development.
• Manage complex stakeholder relationships across operational and corporate teams.

Organisational Effectiveness & Workforce Planning

• Lead strategic workforce planning activities to ensure workforce capability and capacity align with operational demands.
• Support organisational design reviews, structural changes, and workforce optimisation initiatives.
• Identify succession risks, critical talent gaps, and opportunities to enhance leadership capability.
• Drive retention, engagement, and performance improvement strategies across the workforce.

Employee & Industrial Relations

• Provide expert guidance on complex employee relations cases and investigations.
• Build and maintain effective relationships with recognised trade unions and employee representatives.
• Support collective consultations, organisational change programmes, and industrial relations activity.
• Use ER trends and workforce data to identify and address recurring people challenges.

Change Management

• Lead the HR workstream for organisational change, transformation, TUPE, mobilisation and business improvement initiatives.
• Assess workforce risks and develop mitigation plans to ensure successful implementation of change.
• Support leaders through periods of transition while maintaining operational continuity.
• Utilise workforce and business data to identify trends, risks, and opportunities.
• Develop people metrics and reporting to measure the effectiveness of HR interventions.
• Drive continuous improvement initiatives that deliver measurable business outcomes.
• Present recommendations and updates to senior stakeholders.
• Significant experience operating as a Senior HR Business Partner within a large, complex organisation.
• Strong background supporting operational, customer-facing or regulated environments.
• Proven experience partnering with senior stakeholders and influencing at executive level.
• Extensive employee relations and industrial relations expertise.
• Experience working within unionised environments.
• CIPD qualified (Level 5 or above).
• Demonstrable success in workforce planning, organisational effectiveness, talent management, and leadership development.
• Experience supporting large-scale organisational change and transformation programmes.
• Strong analytical capability with experience using HR metrics and business data to drive decision-making.
• Excellent communication, coaching and stakeholder management skills.
• Ability to work at pace within a complex and demanding operational environment.
• Aviation, transport, logistics, facilities management, retail, engineering, or other large operational workforce experience.
• Experience supporting TUPE, mobilisation, and multi-site operations.
• Organisational design and workforce transformation experience.