Principal EC&I Engineer

Principal EC&I Engineer – Amentum

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At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and sustainability. If you're 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.

People are our greatest asset, and we offer a competitive package to retain and attract the best talent.

In addition to the benefits you’d 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’re happy to discuss hybrid, part‑time and flexible working hours, patterns and locations to suit you and our business.

We are recruiting for a Principal Electrical, Control and Instrumentation (EC&I) 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.

In addition, we have opportunities across the wider business to keep work interesting as you develop your career with us.

• Act as the Responsible Engineer and Technical Authority on major energy projects of varying sizes.
• Lead the definition of EC&I 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 installation and commissioning.
• Take accountability for delivery of complex EC&I engineering packages to cost, time, and quality.
• Provide technical leadership, governance, and quality assurance for safety‑critical systems.
• Work on systems integration, testing and validation of PLC, SCADA and simulator 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.
• Produce high‑quality technical reports.
• 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 EC&I team.
• Drive innovation, digital tools, and continuous improvement in engineering delivery.
• Support business development, proposals, and client relationship management.
• Build and manage client relationships and leverage those relationships to deliver continued opportunities and new business leads.

• MEng, MSc, BEng or BSc or equivalent in EC&I 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 EC&I design and leadership within the nuclear sector or highly regulated environments.
• Deep knowledge of nuclear safety, regulation, and quality assurance processes.
• Knowledge of EC&I principals, design tools and relevant guidelines, standards and practices (e.g., BS, IEC, IEEE – in particular IEC 61508, 61511, 61513, 61226 and ONR SAPs / TAGS).
• Knowledge and experience in the systematic design lifecycle of a C&I system; including specification, design, assessment, verification, testing, installation, commissioning and maintenance of safety or process critical I&C Systems.
• Knowledge of high integrity hardware or software‑based control systems for industrial equipment.
• Knowledge of systems engineering and…