Principal C&I Engineer

Amentum is currently recruiting for a Principal Electrical, Control and Instrumentation (EC&I) Engineer to join our Energy business. Our work spans 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 support the UK nuclear fleet through a business transformation and new small and advanced modular reactor developers. We offer diverse opportunities across the wider business, enabling you to develop your career while contributing to the UK’s Net Zero carbon target.

Key Responsibilities

• 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 compliance with standards and regulatory requirements.
• 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.

Skills and Qualifications

• 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 system conceptual design is desirable.
• Demonstrated ability to lead multidisciplinary engineering teams and manage complex technical risks.
• Excellent communication, leadership, and client engagement skills.
• Experience in shaping and influencing technical strategy, standards, and governance.
• Recognised as a subject matter expert within EC&I engineering.
• Committed to Continuous Professional Development.

Values

Our values are built on a strong foundation of safety, integrity, and respect for every individual. We foster a culture of care and collaboration, supporting mental wellbeing and enabling everyone to thrive. By embracing diverse perspectives, we become more innovative, agile, and successful.

Benefits

In addition to the benefits you’d expect, UK employees receive free single medical cover, digital GP service, family‑friendly benefits such as enhanced parental leave pay, and free membership of employee assistance and parental programmes. We also reimburse relevant professional development and memberships. Work‑life balance and flexibility are a key focus; we discuss hybrid, part‑time and flexible working hours, patterns and locations to suit you.

Risley, Part time 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. We embrace challenges with confidence and are dedicated to creating a secure and vibrant future for all.