This website emits an average of 1.6 g of CO₂ per page, find out more

Our Vacancy

Principal /Senior Electrical Engineer

  • Defence
  • Permanent /
  • Helensburgh
  • 10/06/24
  • On site

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 second in the world for nuclear engineering.

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

Job Description

🚀 Your Mission:

The Electrical Design Engineer will work within a multi-disciplinary team at the End Client’s site, supporting current operations and future programs, particularly in nuclear facilities. The team, comprising Mechanical, Civil, Building Services, and Electrical Engineers, is responsible for developing and maintaining Engineering Design Substantiation documents to ensure compliance with safety and operational requirements.


  1. 📝 Author, develop, assess, and manage Infrastructure Design Substantiation documents.
  2. 🔄 Manage design changes/concessions and present design substantiations to safety committees.
  3. 📅 Develop Examination, Inspection, Maintenance & Testing (EIMT) schedules and safety reports.
  4. 🤝 Provide guidance to internal and external stakeholders and conduct Independent Technical Reviews.
  5. 🛠 Apply engineering knowledge to design, develop, and maintain engineering processes and systems.
  6. 🏗 Justify civil/structural design modifications in a high hazard industry.
  7. 🔍 Review technical reports and safety case submissions.

My profile


🔍 Job Summary:

Seeking an Electrical Engineer with expertise in current design standards and practices, capable of contributing to concept design, detailed design, and construction stages across various electrical engineering projects. Experience in assessing electrical equipment for hazards and specifying systems for HV and LV networks is essential.


📚 Knowledge of design standards and practices.

🔧 Theoretical and practical skills in design stages.

⚡ Experience in assessing electrical equipment.

💡 Specification skills for HV and LV networks.

📝 Ability to justify design modifications.

🏭 Familiarity with industrial machinery.

🤝 Experience in multi-discipline projects.


🚨 Experience in high-risk environments.

🔍 Familiarity with safety case development.

☢️ Knowledge of nuclear industry regulations.

🎓 Relevant degree or equivalent.

🎖️ Chartered Engineer status.

📚 Safety case related training.

Permanent or Umbrella Contractor

SC Clearance required

Sole UK National


Why join the Switchers community?

💥 Assystem has over 55 years of experience in nuclear engineering. We are among the top 3 largest nuclear engineering companies.

💥 Attractive social benefits: an engaging and dynamic Employee Committee (CE), holiday bonuses…

💥 Ongoing training throughout your career. Numerous career opportunities: 70% of our managers come from internal promotions!

💥 1 to 2 days of remote work per week.



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.

Other vacancies might interest you