ASSYSTEM
Sub-Project Manager
Whitehaven, England, United Kingdom
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hirly's read of this role
- Seniority
- Lead / management
- Country
- GB
- Work mode
- Remote-friendly
- First seen by hirly
- 26 Oct 2026
Derived automatically from the posting. Upload your resume above to see how the role scores against it.
the posting
Job Description
Project Manager – Whitehaven (Permanent or Contract (Inside IR35)
Your future team :
 Assystem is a well-established leader in the nuclear decommissioning sector.  Join our team as Project Manager within our  Nuclear Decommissioning Business Unit.  You will be supported by an engineering and project controls team and will be responsible for delivering  assigned packages of work which vary in complexity.
Your Missions:
📝 Delivery of assigned packages of work as per contract conditions (NEC3 or other)
💰 Cost and schedule performance of assigned work packages
⚠️ Risk management
🔧 Project setup, SQEP assessment, project governance, project close-out
Why join the community of Switchers?:
 🛠️ Expertise: With over 55 years in nuclear engineering, we are among the top 3 largest nuclear engineering companies.
🎁 Benefits: Enjoy attractive social benefits, an engaging Employee Committee (CE), and holiday bonuses.
📚 Career Growth: Benefit from ongoing training and numerous career opportunities; 70% of our managers are promoted internally!
🏡 Work-Life Balance: Enjoy 1 to 2 days of remote work per week.
 
Essential Skills and Experience:  
🔧 Engineering design and construction experience preferred.
📜 NEC4 PSC Experience
📅 Full project lifecycle experience from business case approval, design, execution, handover
📝 Experience of contract management and change control
⚠️ Experience of risk management
🎓 BSc/BEng in a related engineering/construction/project management discipline
🎯 Association for Project Management Registered Project Professional
Desirable Skills & Experience
🏅 NEC4 Accredited Project Manager
🎖️ Project Management Chartership
🌍 Site development, consenting, and permitting experience
💻 CEMAR experience
Due to the nature of work to be undertaken applicants will be required to meet certain residency criteria in order to attain a minimum level of UK security clearance if not already security cleared to a minimum SC level.
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.
Listed on hirly, a job board. hirly is not the employer: ASSYSTEM is hiring for this role.
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