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We’re looking for an experienced and commercially minded Assistant HR Business Partner to join our Power division, partnering closely with Senior Leadership Teams and operational leaders to deliver impactful people solutions. In this role, you’ll act as a trusted advisor, owning the full employee lifecycle and ensuring that our people strategy drives performance, enhances culture, and builds long-term organisational capability. This is a highly visible role where you will balance hands-on operational delivery with strategic, data-led insight. Working alongside the Head of HR, you’ll play a key role in delivering the divisional people agenda, aligned to the wider HR strategy. You’ll influence workforce effectiveness, strengthen leadership capability, enhance engagement, and support critical business change initiatives. This role also provides the opportunity to lead on the people aspects of growth activity, including acquisitions, TUPE transfers, and integration programmes, ensuring they are delivered smoothly, compliantly, and with strong commercial outcomes.
Job Responsibility
Partner with leaders to develop robust workforce and succession plans, ensuring effective performance management frameworks are in place
Use people data and insights to drive performance improvements and enhance employee engagement
Lead and support organisational design, transformation, and change initiatives end-to-end, including TUPE and acquisitions
Act as a trusted voice within SLT and management forums, providing pragmatic HR and employment law guidance
Support the delivery of key HR initiatives, including engagement surveys, culture programmes, and leadership development
Provide hands-on support across the full employee lifecycle, including attraction, onboarding, induction, probation reviews, performance management, employee relations, flexible working requests, reward, pay reviews, benefits, restructures, redundancy processes, and offboarding
Coach and empower managers to build leadership capability and accountability
Drive consistency and best practice in people management across the business
Requirements
Strong generalist HR background with solid experience across the employee lifecycle
Proven experience of leading complex change initiatives, including restructures, TUPE, and contract variations
Strong working knowledge of employment law and its practical application
Ability to build relationships and influence stakeholders at all levels
Track record of delivering commercially focused, strategic HR solutions
CIPD qualified (Level 5 minimum)
Excellent communicator with strong interpersonal skills
Resilient, adaptable, and comfortable navigating change
Proactive in approach to both business challenges and your own development
What we offer
25 days annual leave plus bank holidays with the option to buy more
Hybrid working
Group Personal Pension Plan
Car allowance
Career development & progression with the opportunity to earn professional qualifications
24/7 access to a virtual GP and Mental health support & counselling services
Cycle to Work scheme
Discount club - supermarkets, phone bills, gyms & more!