Senior EC&I Engineer

Senior Electrical, Control and Instrumentation (EC&I) Engineer

At Amentum, we are engineering the future, delivering solutions in science, security and sustainability that make a real impact. This role offers the chance to join a team that values ethical excellence, innovation, integrity and collaboration.

Amentum is recruiting a Senior Electrical, Control and Instrumentation Engineer to join our Energy business – supporting a key client’s UK nuclear fleet and new small and advanced modular reactor developers. The 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.

• Lead the development of EC&I designs and solutions across the full project lifecycle – from bid generation, through concept and detailed design development to installation and commissioning.
• Prepare technical documentation, specifications, and design justifications for safety‑critical systems.
• Work on systems integration, testing and validation of PLC, SCADA and simulator systems.
• Support requirements capture and systems engineering approach for new architectures.
• Demonstrate knowledge of the practical aspects of implementing engineering designs and understand the use of standards and compliance with regulatory requirements.
• Manage and check deliverables from junior engineers to ensure compliance and quality.
• Provide technical guidance and mentorship to less experienced engineers.
• Interface with clients, regulators and project stakeholders on technical matters.
• Ensure designs meet nuclear safety, cybersecurity and quality standards.
• Support project planning, cost estimating and risk management activities.
• Produce high‑quality technical reports.
• Build and maintain valuable relationships with clients, partners and peers.

• MEng, MSc, BEng or BSc (or equivalent) in EC&I or another relevant discipline.
• Chartered or near‑Chartered Engineer status with a relevant professional body (support available).
• Awareness of civil nuclear plant systems, structures and components and associated design and assessment guidelines.
• Knowledge of EC&I principals, design tools and relevant guidelines, standards and practices (e.g., BS, IEC, IEEE – including IEC 61508, 61511, 61513, 61226 and ONR SAPs/TAGS).
• 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.
• Ability to simplify complex problems.
• Knowledge of high‑integrity hardware or software‑based control systems for industrial equipment.
• Knowledge of systems engineering and system conceptual design desirable.
• Experience in producing and checking high‑quality technical deliverables.
• Motivated team member with the ability to work to deadlines and communicate project progress.
• Good communication skills and ability to articulate information to a broad range of stakeholders.
• Committed to continuous professional development.

The role will be based at one of our Energy offices – Newcastle, Warrington, Gloucester, Bristol or Knutsford. We value flexibility and are happy to consider hybrid, part‑time and other flexible working patterns.

We build a workplace where every individual feels they belong and can thrive, supporting mental wellbeing and fostering a sense of connection. We embrace different perspectives, collaborate openly and are committed to safety, integrity and respect for all.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy, age, ancestry, military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low‑income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law.

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