Principal Civil Engineer

Assystem; Royton; Hybrid; GBP 85,000 - 110,000; Full time

Benefits offered by this job

Pension scheme

25 days annual leave

Professional fees reimbursed

Flexible working

Employee referral scheme

Job summary

Assystem is seeking a senior Civil/Structural Engineer to lead analysis and design for nuclear safety-related and conventional civil structures in a complex, multi-disciplinary environment.

You will guide technical decisions, ensure compliance with UK and international standards, and mentor engineers while supporting business development in the nuclear sector. A Master’s degree and Chartered status are required, with flexible/hybrid working options.

Qualifications

• You will lead civil and structural engineering activities across projects in a nuclear context.
• You will ensure compliance with UK and international codes and regulatory requirements.
• You will provide technical leadership and independent review for complex analyses.
• You will mentor engineers and support professional development.

Responsibilities

• Lead analysis and design for nuclear safety-related and conventional civil structures.
• Develop engineering solutions under seismic, environmental and accidental loading conditions.
• Review and approve technical deliverables including calculations, reports, and drawings.
• Provide technical leadership as Lead Civil Engineer or Technical Authority.
• Ensure solutions comply with UK and international standards and safety principles.
• Support development of nuclear safety cases and hazard assessments.
• Participate in multidisciplinary design reviews and client engagements.
• Mentor and develop team engineers and support chartership.

Skills

Technical leadership

Civil/structural design

Seismic design

Regulatory compliance

MMC implementation

Stakeholder management

Multi-disciplinary teamwork

Education

Master’s degree in Civil Engineering

Chartered Engineer status

Tools

Finite element analysis

Job description

Job Description

On a day-to-day basis, you will:

• Lead the analysis and design for both nuclear safety-related and conventional civil structures, including both above-ground and below-ground facilities

• Lead the development of engineering solutions for structures subjected to seismic, environmental and accidental loading conditions

• Oversee, review and approve technical deliverables, including engineering calculations, analysis reports, finite element models, specifications and drawings, in accordance with our quality assurance requirements

• Act as a Lead Civil Engineer, Technical Authority or Subject Matter Expert, providing technical leadership and independent review where required

• Ensure engineering solutions comply with applicable UK and international codes, standards, regulatory requirements, nuclear safety principles and environmental and health & safety requirements

• Support the development of nuclear safety cases, including hazard assessments and the derivation of civil and structural safety functional requirements

• Participate in multidisciplinary design reviews, ensuring effective integration of civil engineering solutions with architectural, mechanical, process, electrical, I&C, safety and geotechnical disciplines

• Support clients in fulfilling their Intelligent Customer responsibilities, providing trusted technical advice on strategic civil engineering matters

• Support business development activities, proposal preparation and client engagement, helping to expand Assystem's presence within the nuclear sector

• Mentor and develop engineers across the team, fostering technical excellence and supporting professional development and chartership

About You

You will bring strong technical leadership, sound engineering judgement and the ability to work effectively in complex, multi-disciplinary environments. You will be passionate about delivering high-quality engineering solutions that support the safe, efficient and sustainable deployment of next-generation nuclear facilities. We are looking for someone with:

• Significant, demonstrable, post-qualification experience within nuclear new build, SMR/AMR or other large scale, complex and highly regulated programmes

• Proven experience leading civil and structural engineering activities throughout the full project lifecycle, from concept development and optioneering through to detailed design, construction and commissioning

• Strong knowledge of applicable engineering codes, standards and regulations, including Eurocodes, British Standards and, where relevant, international design standards such as ACI, AISC and ASCE

• Experience in the analysis and design of reinforced concrete and steel structures, supported by an understanding of engineering substantiation and structural integrity assessments

• Experience or familiarity with seismic design, dynamic analysis, external hazards assessment and structural resilience considerations

• An understanding of nuclear safety principles and their application to civil and structural engineering design, including familiarity with ONR Safety Assessment Principles and Technical Assessment Guides

• The ability to champion and embed Modern Methods of Construction (MMC) from project inception, shaping design strategies that optimise off-site manufacturing, modularisation, construction efficiency and programme costs

• Familiarity with power plant layouts and operational requirements, including strategies for asset and investment protection

• Experience in supporting site evaluation and site characterisation early-stage development activities for major infrastructure or energy projects would be advantageous

• A delivery-focused mindset, with the confidence to influence senior stakeholders

• Excellent communication and client-facing, skills, with a collaborative approach to guiding and developing colleagues

• A passion for shaping the next generation of nuclear and clean energy infrastructure

Qualifications

• A Master’s degree in Civil Engineering, Structural Engineering or a related engineering discipline

• Chartered Engineer status (ICE, IStructE or equivalent recognised professional institution)

Additional Information

Why Apply?

Join Assystem and become a key player in delivering critical nuclear projects that shape the future of energy. Embrace this opportunity to excel in a dynamic environment where your expertise and leadership will drive global innovation.

Benefits include:

• Pension scheme (8% company contribution / 4% personal contribution)
• 25 days’ paid annual leave + bank holidays + option to buy or sell days
• Professional fees reimbursed
• Flexible working
• Employee referral scheme

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.