Project Planner

Assystem is an international company with one mission: accelerate the energy transition around the world.



Every day, our 7,500 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy.



We are a collective committed to the actors who are making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition.



Drawing on more than 55 years' experience in highly regulated sectors subject to strict security and safety requirements, we provide our customers with engineering and project management services, as well as digital services and solutions to optimize the performance of complex infrastructure projects throughout their life cycle. The Group is currently ranked third in the world for nuclear engineering.



To ensure a viable, efficient, and reliable energy future for all

📍 Location: UK (On-site – Main Site)

💼 Sector: Infrastructure Projects | Defence | Capital Investment

📈 Annual Portfolio Value: £50m–£100m

🔗 Apply via LinkedIn | Full-time

We’re on the lookout for a motivated and enthusiastic Project Planner to join our growing Project Management Office (PMO). You’ll be supporting the delivery of an ambitious Capital Investment Portfolio, helping shape critical infrastructure to support the UK submarine programme. 💥

This is a career-defining opportunity to be part of a capable, supportive, and forward-thinking team delivering complex and essential projects.

🧠 What will you be doing?

📊 Lead the tactical scheduling of live projects within the Capital Infrastructure Planning Team

🧩 Provide key interface across Project Managers, Commercial, Engineering, Construction & Supply Chain

🛠️ Assist Programme Managers in all aspects of project scheduling

📅 Align project cost with scheduling tools – primarily Primavera P6

📈 Support strategic project objectives & annual spend forecasting

🔍 Deliver data-driven schedule reports (Cost, Risk, Estimating, Change)

📉 Perform schedule variance & critical path analysis

📘 Support planning assurance & continuous improvement activities

🎓 What experience are we looking for?

✅ Extensive hands-on experience with Primavera P6 (Advanced level)

🧮 Proven ability to develop scheduling tools for improved analysis & challenge

🎯 Confidence in delivering schedule assurance and planning peer reviews

🗣️ Experience in coaching & upskilling planning teams

📚 Ability to deliver training on Project Controls concepts

📋 Developed understanding of Project Management & Project Controls

🏅 Nice to Have (but not essential):

📘 APM PPC Foundation

📘 APM PFQ

📘 Background in Project Management

🎓 Level 3 Qualification or above

🌟 Why Join Us?

💬 Be part of a team delivering meaningful work with national importance

📈 Opportunities for personal development & internal progression

🏗️ Work on a diverse range of infrastructure projects

🤝 Join a collaborative, empowered and technically capable team

🌍 Contribute to the future of the UK submarine defence programme

👀 Interested?

If you're passionate about planning, motivated to develop, and want to make an impact—we want to hear from you!

Additional information

Due to the nature of this role the successful candidate will require Security clearance. To gain this they will be required to be a Sole UK national,

Hybrid role mainly WFH - It is expected to require 2 days/fortnight at the Client base in Plymouth

This can be a staff or umbrella contract role.

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.