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Principal EC&I Engineer
Principal EC&I Engineer – Job Description
Company Description
Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, it supports public and industrial stakeholders in executing complex and strategic infrastructure projects, subject to high safety and security requirements. By mobilising 8,000 experts across 13 countries, the group delivers engineering, project management, and digital solutions across the entire project lifecycle.
About the Role
As a Principal EC&I Engineer, you will provide technical leadership for Electrical, Control & Instrumentation (EC&I) disciplines, ensuring high-impact project delivery across a diverse portfolio.
Key Responsibilities
🔑 Technical Leadership
- Lead EC&I engineering delivery for complex systems and projects.
- Act as Lead Engineer on large-scale projects, supporting project planning.
- Chair design reviews and lead technical discussions.
- Prepare and present technical reports and presentations.
⚙️ Project Delivery & Governance
- Ensure compliance with standards such as BS7671, IEC 61508, CDM Regulations, and Machinery Directive.
- Prioritise and enforce Health, Safety & Environmental (HSE) requirements.
- Support project cost, schedule, and quality delivery.
- Contribute to tenders, including technical and risk assessments.
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👥 Team Leadership & Development
- Lead, mentor, and supervise engineering teams.
- Set objectives, monitor performance, and provide constructive feedback.
- Foster collaboration across disciplines and stakeholders.
- Guide and develop junior engineers.
🔗 Client & Stakeholder Engagement
- Serve as the technical interface between clients and internal teams.
- Assist in design reviews and resolve technical queries.
- Represent the business in technical communications.
🔄 Continuous Improvement
- Drive process improvements and efficiency initiatives.
- Stay updated on emerging technologies and industry best practices.
- Contribute to QMS procedures and compliance.
Requirements
Essential Qualifications
- Degree in Electrical, Control, or Instrumentation Engineering (or equivalent with significant experience).
- Evidence of Continuous Professional Development (CPD).
- Membership with the Institution of Engineering and Technology (IET), or pursuing chartered status.
Essential Experience
At least 10+ years in EC&I engineering within regulated industries.
- Strong expertise across EC&I disciplines, with specialisation in two or more areas.
- Experience across the full project lifecycle.
- Knowledge of control systems design (including V-cycle, verification & validation).
- Experience with configuration and documentation management.
- Proven ability to collaborate with project management teams.
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Desirable Skills
- Experience in nuclear or high-hazard industries.
- Knowledge of Safety Instrumented Systems and functional safety standards.
- Familiarity with ONR Licence Conditions.
- Experience with BIM-generated projects.
- Electrical design, calculations & EMC assessments.
- Software, hardware, or embedded control systems expertise.
- Understanding of HAZOP, HAZID, and FMECA processes.
- Experience with obsolescence management.
Additional Information
Applicants must meet UK residency criteria to attain a minimum level of UK security clearance (if not already security cleared to SC level).
NOTICE TO CANDIDATES: Assystem is committed to safeguarding candidates from recruitment fraud and will never:
- Offer CV writing services or evaluation.
- Request payments.
- Ask for sensitive personal information.
Assystem promotes diversity and equal opportunities, valuing unique perspectives in driving innovation.
Location: Defence Sector
Contract Type: Permanent
Sector: Defence & Nuclear Engineering
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