HR Business PartnerLocation: Castle Donington (on-site, 5 days per week – non-negotiable)Salary: £47,500Interim : 12-18month FTCWe 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 ResponsibilitiesAs 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 attendanceSupporting and advising on shift patterns, rosters, and resource planning in a regulated, time-critical environmentLeading HR involvement in operational change initiatives, restructures, and continuous improvement programmesConducting and sometimes leading robust investigationsCoaching managers to build people management capability and ensure consistent use of policySupporting recruitment, onboarding, vetting, and compliance for operational and safety-sensitive rolesDriving engagement, wellbeing, and retention initiatives across a multi-shift workforceProviding proactive HR insight to operational leaders, identifying emerging risks and opportunitiesActing as a trusted on-site partner, visible across the hangars, warehouse, and operational floorOperational HR Business Partner – About YouCIPD Level 5 or Level 7 (or equivalent) strongly preferredStrong experience in a fast-paced operational HR role (aviation, logistics, manufacturing, or engineering highly advantageous)Proven track record managing complex and high-volume ER casesConfident working on-site with frontline colleagues and senior operational leadersExperience with rostering, shift-based environments, or regulated operations beneficialStrong analytical, organisational, and communication skillsA practical, problem-solving mindset: proactive rather than reactiveFully committed to on-site presence 5 days per week – essential for operational delivery