Join a leading consultancy delivering transformative engineering solutions across the nuclear, renewable energy, and high-energy industrial sectors - including data centres and hydrogen production facilities.This is a senior opportunity to shape nationally significant projects, from supporting the UK''s nuclear fleet and advancing Small Modular Reactor (SMR) technologies, to enabling the transition to Net Zero through sustainable energy systems. What You''ll Do As a Principal Civil and Structural Engineer, you''ll take technical ownership of complex engineering packages and lead multidisciplinary teams across the full project lifecycle - from bid development to construction. You''ll play a key role in defining strategy, ensuring quality, and mentoring the next generation of engineers. Key responsibilities include: Acting as Responsible Engineer and Technical Authority on major energy projects.Leading design strategy, standards, and best practices across civil and structural disciplines.Overseeing safety case inputs and technical documentation.Providing governance, assurance, and technical leadership for safety-critical systems.Engaging with clients, regulators, and industry bodies at a senior level.Driving innovation, digital tools, and continuous improvement.Supporting business development and client relationship management. What We''re Looking For We''re seeking experienced professionals with a passion for leadership, innovation, and collaboration. Ideal candidates will ha