Senior Project Manager 4 days per week on-site Copello are working with a leading defence and secure communications organisation based near High Wycombe, who are seeking a Senior Project Manager to join a specialist Business Unit delivering advanced communications equipment into highly secure and mission-critical environments. This is a key role within a high-performing delivery function, responsible for leading complex design and development programmes within a secure defence setting. The position sits within a flexible Project Management team structure, where individuals may be required to support additional Business Units or programmes depending on business demand and strategic priorities. The organisation is looking for a highly organised, commercially aware Project Manager who sees this opportunity as a clear next step in their career progression and is motivated to grow within the business over the short to medium term. Key Responsibilities * Lead the end-to-end delivery of technically complex communications equipment design and development programmes, from bid phase through to final customer acceptance. * Support and contribute to bid creation activities, including schedule development, cost inputs, risk assessment, and proposal documentation. * Own full financial oversight of assigned projects, including budgeting, forecasting, variance analysis, and reporting. * Develop and maintain detailed, integrated pr...