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: Thurso (Home-based with occasional site visits to Dounreay)

🔐 Security Clearance Required: SC & Sole UK National

As Assystem Defence continues to grow, we’re on the lookout for a dynamic and self-motivated Senior Project Planner 📅 to support one of our key Defence clients.

You’ll be embedded within the client’s PMO team, acting as the go-to expert for all things planning. This is a home-based role 🏡 with occasional travel 🚗 to the client site at Dounreay.

🚀 Your Mission:

🛠️ Project Schedule Management – Develop, monitor, and control schedules to ensure timely milestone and deliverable completion, in collaboration with Project Managers.

📋 Project Planning Leadership – Lead schedule development both internally and externally with clients.

🔄 Work Package Coordination – Track progress, allocate resources, and manage subcontractor activities.

✅ Subcontractor Programme Approval – Review for quality and consistency with project timelines.

🤝 Stakeholder Communication – Provide regular updates on progress, risks, changes, and opportunities.

🌟 Why Join the Assystem Switchers Community?

🌍 Over 55 years of global nuclear engineering expertise – we’re top 3 worldwide!

🎁 Attractive benefits: Holiday bonuses, a vibrant employee committee, and more

📈 Clear career path: 70% of our managers were promoted internally

We value diversity, innovation, and bold thinkers. Your skills and spirit matter most. Join us and help shape the future! 💡✨

🎓 Candidate Profile (Skills & Experience):

🔧 Planning Expertise – Skilled in building and maintaining high-quality schedules

👥 Collaborative Communicator – Experienced in working with Project Leads and stakeholders

🧩 P6 Proficiency – Confident using Primavera P6 (or similar tools) to sequence and allocate resources

⚛️ Industry Background – Experience in the Nuclear or Defence sectors is a big plus

💻 Tech-Savvy – Especially in MS Office (Excel & MS Project)

🔍 Detail-Oriented – Analytical, accurate, and self-driven

🗣️ Clear Communicator – Capable of distilling complex data into concise updates

📊 Programme Assessor – Able to validate subcontractor inputs for accuracy

📚 Qualifications:

🎓 Degree (preferred) or equivalent experience

📘 Primavera P6 training (desirable)

📑 Project Management certification (e.g. APM) is a bonus

Additional information

Limited Company Contractor role (Outside IR35)

📍 Location: Scotland ideally

🏡 Working Model: Home working with occasional visits to Client Site at Dounreay

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

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.