Competitive Salary On-site Manufacturing South WalesAn established and highly secure manufacturing organisation is seeking an experienced HR Manager to lead people operations at one of its largest UK sites.This is a senior, hands-on role suited to a confident HR generalist who thrives in a fast-paced, operational environment and enjoys being close to the business.The RoleYou will take full responsibility for HR delivery on a large manufacturing site.The role sits as part of the site senior leadership team and combines autonomy with strong group-level HR support.Key accountabilities include:Leading and developing an established on-site HR team.Managing a high-volume employee relations environment.Acting as a trusted HR advisor to senior operational stakeholders.Ensuring consistent application of HR policies, procedures, and employment law.Overseeing recruitment for senior and specialist site roles.Providing leadership oversight of weekly payroll (no hands-on processing).Driving people initiatives that support performance, engagement, and compliance.The EnvironmentLarge-scale manufacturing operation with hundreds of permanent employees, plus a sizeable temporary workforce.Fast-moving, reactive setting where operational delivery is key.Strong emphasis on pragmatism, relationship-building, and impact at site level.About You:An experienced HR Manager (or equivalent) with a strong background in manufacturing or similar operational environments.Highly confident managing complex ER c