💼 Full-Time Position

Principal Project Manager

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Assystem, Switch On
📍 Derby, Derbyshire, United Kingdom
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Location
Derby, United Kingdom
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Posted
May 28, 2026
Type
Full-Time
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Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

Job Description

Company Description

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.

Job Description

Principal Project Manager

📍 Location: Derby or Newcastle

This is more than project management. It’s about influencing strategic outcomes, shaping capability across the business, and ensuring we deliver mission-critical projects with precision, accountability, and innovation.

You will play a pivotal role in managing and evolving a multi-project portfolio, supporting blue-chip defence clients and aligning delivery with AEIL’s wider ...