Principal Civil Structural Engineer in Newcastle upon Tyne

At Amentum, we are driven by an unyielding commitment to innovation, integrity, and collaboration, tackling significant challenges in science, security, and sustainability. If you are passionate about making a real impact and want to be part of a community that values ethical excellence, this is the place where your ambition can thrive.

We believe that success comes from continuously pushing boundaries and working together to deliver on our promises. We embrace challenges with confidence and are dedicated to creating a secure and vibrant future for all. We offer an exciting range of opportunities to develop your career within a supportive team who always strive to do the right thing for our people, clients, and communities.

People are our greatest asset, and we offer a competitive package to retain and attract the best talent. In addition to the benefits you would expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships.

Work-life balance and flexibility is a key focus area for us. We are happy to discuss hybrid, part-time, and flexible working hours, patterns, and locations to suit you and our business.

Amentum is currently recruiting for a Principal Civil and Structural Engineer to join our Energy business, which is entering an exciting phase of opportunity: supporting a key client’s UK nuclear fleet through a business transformation; supporting new small and advanced modular reactor developers. Our work is varied, covering nuclear projects (Licensing, New Build, Generation, Life Extension, and Defueling), Renewable Energy projects, and high energy industrial projects, such as data centres and hydrogen production facilities.

We are looking for a driven individual who embraces collaboration and diversity, and who shares our vision to create a secure and vibrant future by continuously reinventing, realising breakthroughs, and taking on challenges with courage. Our goal is to support the development of new nuclear technologies and to keep existing power stations operating safely, contributing to the UK’s Net Zero carbon target.

Your role will be to manage and deliver civil and structural engineering solutions to time, cost, and quality on projects of varying sizes. You will be working alongside our Engineering Managers and Operations Managers to enable delivery of maximum value.

Central to the success of the role will be your people skills, building effective relationships and interacting with multiple internal and external stakeholders in multiple locations. You will also work closely with colleagues to support activities that offer the best service to the client. Through your interactions, you will be able to gather useful intelligence on client needs and work with the team to deliver innovative solutions.

You will utilise your strong communication and engagement skills to achieve client, people, and business outcomes, working with your team and peers that are based in different locations across the UK. This role will be based at one of our Energy offices (Newcastle, Warrington, Gloucester, or Knutsford). We put flexibility at the heart of what we do and we are happy to consider flexible working patterns.

Key responsibilities could include:

• Act as the Responsible Engineer and Technical Authority on major energy projects of varying sizes.
• Lead the definition of civil and structural engineering strategies, standards, and best practices across projects.
• Lead project delivery teams across the project lifecycle from bid generation, through concept and detailed design development to construction.
• Take accountability for delivery of complex civil and structural engineering packages to cost, time, and quality.
• Provide technical leadership, governance, and quality assurance for safety-critical systems.
• Demonstrate knowledge of the practical aspects of implementing engineering designs and understand the use of standards and compliance with regulatory requirements in an engineering environment.
• Oversight, verification, and leadership for preparation of safety case inputs, such as Safety Functional Requirements (SFRs), Structural Design Method Statements (SDMSs), and Design Substantiation Reports (DSR).
• Engage with clients, regulators, and industry bodies at a senior level, building and maintaining valuable relationships.
• Mentor and develop the engineering capability of the wider civil and structural engineering team.
• Drive innovation, digital tools, and continuous improvement in engineering delivery.
• Support business development, proposals, and client relationship management.

Skills and Qualifications:

• MEng, MSc, BEng or BSc or equivalent in civil engineering or another relevant discipline.
• Chartered Engineer status with a relevant professional body.
• Previous team leadership, line management, technical lead or Responsible Engineer experience.
• Extensive experience in civil and structural design and leadership within the nuclear sector or highly regulated environments.
• Deep knowledge of nuclear safety, regulation, and quality assurance processes.
• Knowledge of civil engineering principles, design tools, and relevant guidelines, standards, and practices.
• Experience using finite element modelling software and associated post-processing software.
• Good knowledge of health and safety legislation and good practice.
• Understanding of the use of design tools within a BIM environment.
• UK Nuclear Licensing and Generic Design Assessment process experience is desirable.
• Excellent communication, leadership, and client engagement skills.
• Recognised as a subject matter expert within civil and structural engineering.
• Committed to Continuous Professional Development.

Our values are built on a strong foundation of safety, integrity, and respect for every individual. People are at the heart of our mission, and we believe in supporting one another through a culture of care and collaboration. We strive to create a workplace where everyone feels they belong and can thrive.