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Location
In office (Aldermaston)
Seniority
Senior
Employment
Contractor

Confirmed on the employer's own hiring board on Nov 12, 2026. First seen by Alion on Nov 12, 2026. Assystem scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Assystem is a French engineering group founded in 1966 that concentrates on complex infrastructure projects, with nuclear energy as its largest and most distinctive market. It provides design engineering, project management, safety analysis, commissioning support and operational assistance across nuclear new build, plant life extension and decommissioning, and also works on transport, energy transmission and life sciences facilities. Headquartered near Paris and listed on Euronext, it holds a significant stake in Framatome and employs thousands of engineers across France, the United Kingdom, the Middle East and Asia.

Finding solutions to climate change is the priority of the 21st century, and means switching to low-carbon energy. At Assystem, our mission is to accelerate the energy transition worldwide. To achieve this, our 7,500 Switchers combine their historical engineering expertise and project management with digital technologies.

In our 12 countries (Europe, Middle East, Asia) of operation, we are working on the production and distribution of low-carbon electricity, through the development of nuclear and renewable energies. We are also supporting the modernisation and development of energy grids, managing the setup and siting for new transmission and distribution networks, and using hydrogen to decarbonise the transport and industry sectors.

Overview

We are seeking an experienced Senior Planner to support the successful delivery of a major nuclear defence programme in Aldermaston. The role is responsible for developing, maintaining, and controlling integrated project schedules across complex engineering, infrastructure, and construction activities within a highly regulated environment.

Key Responsibilities

  • Develop and maintain detailed integrated project schedules using Primavera P6.
  • Monitor progress, analyse performance, and identify schedule risks and opportunities.
  • Support the implementation of planning, scheduling, and reporting processes in line with programme controls requirements.
  • Conduct critical path analysis and provide schedule impact assessments to support decision-making.
  • Prepare regular progress reports, dashboards, and forecasting information for project and programme leadership.
  • Work collaboratively with project managers, engineers, commercial teams, and other stakeholders to ensure accurate planning data and programme alignment.
  • Support change control, baseline management, and recovery planning activities.

NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process.

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

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