HR Business Partner Location: Castle Donington (on-site, 5 days per week – non-negotiable) Salary: £47,500 Interim : 12-18month FTC We are seeking a highly effective Operational HR Business Partner to join our aviation client’s high-performance People Team, supporting a large, multi-shift workforce across a safety-critical, 24/7 operation. This is a key role partnering with senior operational leaders and managers to deliver high-impact HR support on the ground, ensuring a consistent, proactive, and solutions-led approach to people management. Working on-site at their Castle Donington operation, you will be the visible HR lead for a diverse client group of c. 500 colleagues across engineering, logistics, operations, and frontline support teams. This is an exciting opportunity for an HR professional who thrives in fast-paced, high-volume environments where the ability to anticipate issues, influence managers, and maintain operational continuity is essential. Key Responsibilities As the on-site HRBP, you will take the lead on all core HR activity across the operation, including: Managing employee relations cases end-to-end, including disciplinary, grievance, performance, and attendance Supporting and advising on shift patterns, rosters, and resource planning in a regulated, time-critical environment Leading HR involvement in operational change initiatives, restructures, and continuous improvement programmes Conducting and sometimes leading robust investigations Coaching managers to build people management capability and ensure consistent use of policy Supporting recruitment, onboarding, vetting, and compliance for operational and safety-sensitive roles Driving engagement, wellbeing, and retention initiatives across a multi-shift workforce Providing proactive HR insight to operational leaders, identifying emerging risks and opportunities Acting as a trusted on-site partner, visible across the hangars, warehouse, and operational floor Operational HR Business Partner – About You CIPD Level 5 or Level 7 (or equivalent) strongly preferred Strong experience in a fast-paced operational HR role (aviation, logistics, manufacturing, or engineering highly advantageous) Proven track record managing complex and high-volume ER cases Confident working on-site with frontline colleagues and senior operational leaders Experience with rostering, shift-based environments, or regulated operations beneficial Strong analytical, organisational, and communication skills A practical, problem-solving mindset: proactive rather than reactive Fully committed to on-site presence 5 days per week – essential for operational delivery