Job Title: Senior Planner x 2 Location: Reading (100% onsite) Contract Length: 18 months IR35: Inside IR35 Day Rate: £435 per day (Umbrella) Clearance: Security clearance required (Sole British Nationals only) Overview: We are seeking two experienced Planners to join a highly regulated and complex engineering programme. This role will support the delivery of planning capability within the business, ensuring the integrity of the Integrated Master Schedule (IMS) and driving adherence to established project and programme rhythms. Key Responsibilities: Develop and maintain the Integrated Master Schedule (IMS) in Primavera P6. Create and manage the Work Breakdown Structure (WBS), Cost Breakdown Structure (CBS), and associated planning documentation. Perform resource loading, network logic creation, float analysis, and schedule performance reviews. Contribute to month-end reporting including schedule progress updates, milestone tracking, critical path analysis, forecasting, and Earned Value (EV) variance analysis (SPI). Support change control, risk and opportunity management, and investment approval processes with relevant planning data and analysis. Undertake "what-if" and fragnet analyses to assess impacts of schedule changes. Provide clear communication and coordination with Task Managers, Project Controls, and other stakeholders to support delivery of programme milestones. Uphold the company's environmental, health, safety, security, quality, and ethical standards at all times. Essential Skills & Experience: 2-5 years' planning experience in complex or highly regulated environments (nuclear, oil & gas, construction, or defence). Proven expertise in Primavera P6 and Microsoft Excel. Strong understanding of project controls principles including network logic, float paths, EVM, and resource levelling. Excellent stakeholder management and communication skills across multiple levels of the organisation. Adaptable and able to manage competing priorities effectively. Strong judgement in planning and forecasting within structured monthly cycles. Desirable: Experience working in nuclear, defence, or other highly regulated industries. Familiarity with Earned Value Management (EVM) systems and reporting. Additional Information: Sole British Nationals only due to security requirements. Candidates must be willing and able to obtain the required level of clearance prior to start. No hybrid or remote working, this role is fully onsite. Successful applicants will be required to attend site for induction, medical, and equipment issue. For further information or to apply, please get in touch with Daniel Cordy at TEC Partners.