Civil Structural Design Engineer - Nuclear in Bristol

ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation.

ALTEN UK is seeking an experienced Senior Civil Structural Design Engineer to lead structural design efforts on reinforced concrete and steel structures within the Nuclear Island of EPR nuclear power plants. This role is pivotal to ensuring the safety, integrity, and compliance of critical infrastructure in one of the world’s most demanding engineering environments.

This is not commercial building design — it is heavy, complex, reinforced concrete engineering for long-life, safety-critical facilities.

• Lead an international engineering team on Nuclear Island structures for EPR nuclear power plants.
• Design and analyze reinforced concrete and steel structures.
• Ensure compliance with Eurocode, ETC-C, and nuclear safety standards.
• Assess seismic, dynamic, and construction-related loads for structural integrity.
• Collaborate with BIM teams, drafters, and engineers to ensure design coordination.
• Evaluate and implement design changes, maintaining compliance and performance.
• Deliver technical documentation, drawings, and structural specifications.
• Provide on-site support during construction, resolving structural issues.
• Mentor junior engineers and oversee detailing work.
• Liaise with clients, regulators, and construction teams to ensure CDM and safety compliance.
• Maintain up-to-date knowledge of industry standards, tools, and best practices.

• Proven experience in RC and steel structure design for large scale infrastructure projects.
• Solid understanding of Eurocodes.
• Proficiency in structural analysis tools like STAAD Pro.
• Strong capability in seismic design and complex load assessments.
• Experience supporting construction sites, resolving structural challenges in real time.
• Familiarity with 3D BIM tools like TEKLA and Navisworks is a plus.

• A Bachelor’s or Master’s degree in Engineering, or equivalent military experience.

• Proactive, autonomous, and solution-oriented.
• Excellent teamwork and communication skills in multidisciplinary environments.
• Committed to safety, quality, and regulatory compliance.
• Able to manage multiple priorities with attention to detail and delivery.

We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies. At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals.

Join a passionate team and help build tomorrow, today.

In short you get:

• A personalised career path and a rewarding management style.
• A huge diversity of engineering projects and industries.
• Private Medical Insurance.
• Cycle & Tech Scheme.
• Employee assistance programme.
• Life insurance & Pension Scheme.
• Social atmosphere, regular gatherings & team buildings.
• Flexible way of working (role dependent).

We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes.

This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected. Details of this will be discussed with you at interview.