An excellent new opportunity has arisen for an experienced Planning Engineer to join an existing Planning Team based on the Westlakes Science Park, nr Whitehaven in Cumbria. This is an exciting opportunity to become part of an established team working on a long-term framework at Sellafield. This role offers the chance to work in a dynamic and forward-thinking environment to deliver projects of national importance. The successful candidate will work closely with Project Managers, multi-disciplinary project teams, and the Client on a diverse portfolio of challenging projects. KEY RESPONSIBILITIES The successful Candidate will develop, update and maintain full lifecycle project schedules in Primavera P6, ensuring accuracy and alignment with project objectives and delivery targets. Update and maintain Programme-level tactical/delivery plans. Work closely with Project Managers to support project forecasting, progress reporting, and scenario planning for change requests. Generate resource profiles to support the efficient deployment of project resources. Produce and interpret earned value management (EVM) metrics, including performance analysis and variance reporting. Ensure programmes comply with NEC 3/4 contract requirements and utilise CEMAR for contract management activities. Attend regular progress meetings to capture schedule updates and to provide clear insight on programme performance and critical path impacts. EXPERIENCE AND SKILLS REQUIRED Minimum 3 years' experience in a project planning role within engineering, construction, or nuclear sectors. Strong working knowledge of Primavera P6 and other planning methodologies. Proficient in creating detailed costed & resourced schedules, progress updates, and performance analytics. Must hold appropriate Security Clearance and be a Sellafield pass holder Experience with IWM (Integrated Work Management) is desirable. The role is spread over 40 hours per week and can be worked on a hybrid basis, with a requirement to spend a minimum of 2 days per week in the Whitehaven office.