We are partnering with a well-established commercial organisation located just outside Portsmouth, operating within a dynamic and evolving sector. This mid-sized business is renowned for its forward-thinking culture, commitment to employee engagement, and continuous growth ambitions.Recognised for its collaborative environment and dedication to innovation, it offers an exciting opportunity to join as a Senior HR Business Partner. The role comes with a market-leading salary, excellent benefits, and the chance to be instrumental in shaping the people strategy during a pivotal period of expansion and change.What will the Senior HR Business Partner role involve? Leading strategic HR initiatives focused on employee engagement, talent acquisition, and leadership developmentPartnering with senior leaders to support organisational growth through acquisitions, integration, and TUPE processesAdvising and coaching line managers to navigate complex employee relations and performance challengesBuilding strong, collaborative relationships with Trade Union representatives to foster positive long-term partnershipsDriving organisational design and change management projects that align with business goalsDelivering insightful HR analytics and reports to influence decision-making at executive levelsExperienced HR professional with a proven track record in senior HR business partnering or leadership rolesSkilled collaborator with senior management, capable of managing complex HR challenges and l