Senior Planner (Project Controls / EVM) Location: Aldermaston (2 days a week onsite) Contract: 6 months IR35: In Scope Rate: £63.58/hr Umbrella Security Clearance: Active SC required (non-negotiable) The Opportunity We re looking for an experienced Senior Planner to join a highly secure and complex programme environment. This role is critical in delivering full planning capability across projects, ensuring robust scheduling, insightful analysis, and effective stakeholder engagement. You ll take ownership of the Integrated Master Schedule (IMS) and play a key role in supporting programme delivery through Earned Value Management (EVM), forecasting, and planning governance. What You ll Be Doing Managing and maintaining the Integrated Master Schedule (IMS) Delivering planning and EVM analysis to support business decisions Producing accurate schedule forecasts and performance reports Conducting Earned Value variance analysis (SPI) Performing critical path and network analysis Supporting and improving planning processes, tools, and standards Reviewing and enhancing Work Breakdown Structures (WBS) Engaging with project managers, engineers, and stakeholders Leading planning discussions and promoting best practices across teams What We re Looking For Strong experience with Primavera P6 Proven background in project planning and controls Solid understanding of: Earned Value Management (EVM) Critical Path Analysis Ability to lead planning activities and influence teams Strong stake