Senior Project Manager 4 days per week on-site Must be eligible for SC Clearance (sole UK national due to programme security requirements) 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 ..... full job details .....