Project Planner - Nuclear Construction

⚡️💡 About Assystem

At Assystem, our mission is to accelerate the energy transition worldwide. Our 8,0000 Switchers combine deep engineering expertise with advanced digital technologies to deliver complex infrastructure solutions. In the UK, we are at the forefront of major nuclear programmes including Hinkley Point C, Sizewell C and future Small Modular Reactors (SMRs). Our planning and project controls capability is central to delivering these large-scale, low-carbon projects.

🤝 Why Join the Community of Switchers?

Join one of the three largest nuclear engineering companies in the world and play a critical role in project delivery through expert planning. At Assystem, your future team is embedded within major construction programmes, driving schedule performance and delivery certainty. You will work in a high-performance environment where planning excellence, innovation and collaboration are key to delivering some of the most complex infrastructure projects in the UK.

🚀 The Job Mission

This hybrid role is suited to candidates able to commute to Bridgwater or relocate nearby.

You will deliver detailed construction planning across MEH packages within a major nuclear project.

Working closely with your future team, you will drive schedule accuracy, integration and performance on site.

• Develop and maintain detailed Primavera P6 schedules across mechanical, electrical and HVAC scopes.
• Create fully logic-linked construction schedules aligned with defined work breakdown structures.
• Update schedules regularly to reflect site progress and performance against agreed reporting cycles.
• Collaborate with site teams and contractors on lookaheads, 4D planning and delivery coordination.
• Support 16-week lookahead planning and short-term programme optimisation activities on site.
• Analyse schedule performance, identifying risks, delays and opportunities for programme improvement.
• Support trend and change processes, assessing schedule impacts and producing performance indicators.
• Ensure contractor schedules align with programme forecasts and project control requirements.
• Produce clear and accurate schedule reports to support project controls and leadership teams.
• Work closely with construction, logistics and engineering teams to ensure schedule integration.

🛠 Essential Skills

• Proven experience in construction planning within large-scale MEH project environments.
• Advanced knowledge of Primavera P6 for schedule development and progress monitoring.
• Strong understanding of EPC environments and integrated planning across project lifecycles.
• Experience working within nuclear or highly regulated industrial sectors.
• Ability to develop and manage logic-linked construction schedules effectively.
• Strong analytical skills to interpret schedule data and identify risks and opportunities.
• Excellent communication skills across multidisciplinary site and project teams.
• Ability to manage stakeholders and challenge constructively within complex environments.

✔️ Desired Skills

• Experience with 4D or 5D planning tools within major construction programmes.
• Familiarity with site-based planning within nuclear new build projects.
• Understanding of nuclear or conventional safety standards and site safety culture.
• Experience contributing to trend, change and performance reporting processes.
• Knowledge of planning within commissioning and handover project phases.

🌟

Take the opportunity to play a key role in delivering one of the UK’s most significant nuclear construction projects. Join Assystem to strengthen your planning expertise, work alongside industry leaders, and contribute to shaping the future of clean energy through precise and impactful project planning.

Your Benefits Package

🏠 Hybrid Working – Flexibility to work from home and the office

🏖️ 25 Days Annual Leave + Bank Holidays

🔄 Buy & Sell Holiday – Make your time off work for you

💰 8% Company Pension Contributions

🛡️ Income Protection & 3x Salary Death-in-Service Cover

🤒 Competitive Sick Pay – Support when you need it

🏥 Healthcare Cash Plan – Claim back on dental, optical & more

💪 Free Digital Gym Access – Expert-led fitness classes

🎁 Exclusive Discounts – Restaurants, days out & top brands

📞 24/7 Employee Support Line – Mental health, financial & legal help

🚴 Cycle to Work Scheme – Save money & go green

💉 Free Flu Jabs & Eye Test Vouchers

🧾 Paid Professional Membership Fees

❤️ Volunteer Days – Make a difference on company time

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.

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.