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Principal EC&I Engineer (Electrical/PSR bias)

ASSYSTEMHelensburghHybridPosted 6 July 2026
Advert doesn't mention visasFull-time
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Assystem Energy & Infrastructure Limited holds a sponsor licence

RoutesGlobal Business Mobility: Senior or Specialist Worker, Skilled Worker
RatingWorker (A rating)
On the register since6 May 2026

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What the advert says about visas

Advert doesn't mention visas

The employer holds a licence, so sponsorship may still be possible. Ask before applying.

About the role

Job Description

The Client Design Authority undertakes a vital role in ensuring that key defence infrastructure is fit for purpose. 

We are looking for an experienced Electrical Engineer to support the technical capability of the our clients Design Authority (DA). This role will be suited to engineers with experience in Electrical Design, although candidates experienced in Electrical Installation or Maintenance are also welcomed.

Key responsibilities will include:

  • Technical excellence in the specification, production and assessment of design packages for infrastructure.
  • Plant walkdowns and production of associated Periodic Safety Review deliverables. 
  • Specification of reliability and operational constraints for infrastructure. 
  • Assessment of work control procedures for maintenance of infrastructure. 
  • Assessment of infrastructure design, material state, qualification and ageing mechanisms to permit the continued operation of facilities and utilities. 
  • Discharge and display a robust safety and security culture. 
  • Ensure outputs of safety related contracts meet the contract requirements and appropriate safety requirements by acting as an intelligent customer.

Qualifications

What We're Looking For:

Essential

  • ⚡ Broad electrical engineering experience, with knowledge of systems such as HV/MV and LV distribution, protection systems, C&I systems, synchronous motors, frequency changers, and diesel alternators.
  • ☢️ Experience within the nuclear sector or another highly regulated/high-hazard industry is desirable but not essential.
  • 🔍 Demonstrable experience undertaking Periodic Safety Reviews (PSRs) in line with ONR Licence Condition 15 / DNSR Authorisation Condition 15, including assessment of Structures, Systems and Components (SSCs), design intent, safety case adequacy, ageing mechanisms, and continued fitness for service.
  • 💡 Ability to develop practical, innovative, and cost-effective engineering solutions for plant and infrastructure modifications.
  • 📐 Good understanding of British and international engineering design standards.
  • 📊 Strong analytical skills with the ability to make evidence-based decisions using a range of technical data.
  • 💬 Excellent written and verbal communication skills with the ability to engage effectively with stakeholders.
  • 📅 Strong organisational skills with the ability to manage and prioritise your workload effectively.

🎓 Qualifications & Experience

Essential

  • 🎓 HNC (or equivalent qualification/experience) in a relevant engineering discipline.
  • ⚡ Detailed knowledge of the design intent for electrical infrastructure within the nuclear sector or a similar highly regulated environment.

⭐ Desirable

  • 👷 Incorporated Engineer (IEng) status or equivalent professional experience.
  • 🎓 Degree (or equivalent qualification/experience) in Electrical Engineering or a related discipline.

Additional Information

Why join the community of Switchers?:

🔹 The Group is currently ranked Third in the world for nuclear engineering.

🔹A dynamic career management policy to enable our employees to progress through our five business lines: operations, project, technical, sales and support functions

🔹Provide opportunities to work on exciting, global projects

🔹Access to an employee assistance programme with free mindfulness, health, wellbeing resources and a confidential support line available 24/7 via phone or text

🔹Discount vouchers for days out and restaurants, eye test and glasses vouchers, cycle to work scheme, free flu jabs

At Assystem, we celebrate diversity and creativity. We believe in harnessing unique perspectives to shape innovative solutions. Your skills and daring spirit are what truly matter. Join us and help shape

Umbrella contractor or permanent staff

Requires sole UK National with the ability to gain Security Clearance.

Mainly remote working with 1-2 days per month at Helensburgh

NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process.

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Company Description

Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements. 

Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions.

Listed by ASSYSTEM on SmartRecruiters. Apply on the employer's site. Original listing.

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