ASSYSTEM
Senior EC&I Designer
Warrington, England, United Kingdom
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hirly's read of this role
- Seniority
- Senior
- Country
- GB
- Work mode
- Remote-friendly
- First seen by hirly
- 21 Sept 2026
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the posting
Senior EC&I Designer - Warrington
Permanent / Contractor
Join Our Team at Assystem!
🚀 Your Future Team:
Assystem is a well-established leader in the nuclear decommissioning sector. Partner of the Design Services Alliance. Expertise in waste management services for strategic nuclear clients in the UK. Offering life extension and feasibility assessment services.
🔍 Your Missions:
- 🛠️ Interface with Integrated Design, facility, and project teams.
- 🤝 Collaborate through all project phases.
- 🌐 Work effectively in a team environment.
Why Join the Community of Switchers?
- 🌟 Over 55 years in nuclear engineering.
- 🏆 Ranked among the top 3 largest nuclear engineering companies.
- 💼 Attractive social benefits, including an engaging Employee Committee and holiday bonuses.
- 📚 Ongoing training with numerous career opportunities.
- 📈 70% of our managers are promoted internally!
- 🏠 Hybrid work: 1-2 days remote per week.
🎓 Essential Experience:
- 🖥️ Proficient in AutoCAD
- 📊 Experience in CE&I Project Delivery
- 💡 Skilled in building electrical services design (lighting, small power)
- 📟 Expertise in CE&I Instrumentation and Security Systems design
- 📐 Knowledgeable in CDM and IET wiring regulations
- 📏 Space management and cable routing expertise
- 👥 Strong communication skills, team player
- 📜 Minimum ONC in a relevant discipline
🔧 Desirable Experience:
- ⚛️ Radiometric Systems
- ✅ BS 61508 compliance
- 🏗️ Autodesk Revit, AVIVA, CIMAGE/DM Desktop
 
💥 Over 55 years of nuclear/Defence engineering expertise.
💥 Fantastic employee assistance programme, health and wellbeing resources, social benefits.
💥 Opportunities for career advancement with a focus on internal promotions.
💥 hybrid working/dynamic projects.
Due to the nature of the work, applicants must meet UK security clearance criteria.
We are committed to equal treatment of candidates and fostering diversity. Skills, talent, and innovation are what matter most. Bring your unique contributions and help us shape the future!
Ready to make a difference in the nuclear engineering world? Join Assystem today! 🚀
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.
Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements. 
Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions.
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