Hybrid Principal Stress Engineer - Nuclear Integrity Lead

Assystem is seeking a Principal Stress Engineer to lead scoping, bidding and delivery of stress packages in the Fusion and Modular Nuclear area in the UK. You will head technical delivery, guide teams and assure quality against international codes while mentoring engineers.

The role blends project leadership with hands-on FE work, supporting capability development and strategic workforce planning, with 1-2 days remote per week.