Senior Primavera P6 Planner — Nuclear & Defence Projects

Mane Contract Services; Aldermaston; On-site; GBP 50,000 - 80,000; Full time

Job summary

Mane Contract Services are recruiting an experienced Project Planner to support a major nuclear/defence site in Aldermaston. You will develop and maintain detailed schedules using Primavera P6, manage baselines, forecasts and progress, and work with suppliers and internal teams to ensure milestones are achieved.

The role requires strong planning methods, CP analysis capability, and excellent communication to support reports and decision making in a highly regulated environment.

Qualifications

• Proven experience in project or programme planning.
• Strong practical experience using Primavera P6.
• Good understanding of planning methodologies and scheduling best practice.
• Knowledge of project controls and their integration with planning.
• Experience in schedule development, baseline management, progress updates, forecasting and change control.
• Strong analytical skills including critical path analysis.
• Excellent communication and stakeholder engagement.
• Ability to prioritise workloads and meet tight deadlines.

Responsibilities

• Develop and maintain detailed project schedules using Primavera P6, including defining and managing the Work Breakdown Structure (WBS).
• Manage schedule updates and forecasts, collecting and validating progress information from internal stakeholders and external suppliers.
• Develop and maintain baseline schedules in collaboration with project teams, ensuring agreed scope, milestones and delivery requirements.
• Support change control processes by developing what-if scenarios and conducting schedule impact assessments before approved changes are incorporated.
• Resource-load schedules using the Enterprise WBS Dictionary to support resource levelling and programme-wide resource planning.
• Undertake critical path analysis, identify schedule risks and assess potential impacts on key milestones and programme delivery.
• Produce and present planning reports and performance data for project progress meetings and monthly programme review boards.
• Ensure schedules comply with organisational planning standards and align with the overall programme master timeline.
• Support and mentor the wider planning community, sharing best practice and developing planning capability across the team.
• Promote continuous improvement and ensure high-quality, sustainable planning support.

Skills

Project planning

Scheduling

Critical path analysis

Forecasting

Stakeholder management

Communication

Tools

Primavera P6

Job description

Mane Contract Services are recruiting an experienced Project Planner to support a major nuclear/defence site in Aldermaston. You will develop and maintain detailed schedules using Primavera P6, manage baselines, forecasts and progress, and work with suppliers and internal teams to ensure milestones are achieved.

The role requires strong planning methods, CP analysis capability, and excellent communication to support reports and decision making in a highly regulated environment.