Principal EC&I Engineer (Electrical/PSR bias)

Company: Assystem
Apply for the Principal EC&I Engineer (Electrical/PSR bias)
Location: Helensburgh
Job Description:

Overview

In this role you support the Client Design Authority to ensure electrical infrastructure for defence projects is fit for purpose. You will work within a highly regulated, safety-focused environment, collaborating with stakeholders to assess design packages, conduct safety reviews, and uphold robust safety and security culture. You will apply your electrical expertise to optimise plant modifications and ensure compliance with design standards. This is an opportunity to shape critical infrastructure on global, high-stakes projects.

Pay / Benefits

  • Mindfulness and health resources
  • Confidential support line 24/7
  • Discount vouchers for days out and restaurants
  • Eye test and glasses vouchers
  • Cycle to work scheme
  • Free flu jabs

Responsibilities

  • Technical excellence in specification, production and assessment of design packages for infrastructure
  • Plant walkdowns and production of 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, ageing mechanisms for continued operation
  • Discharge and display a robust safety and security culture
  • Ensure outputs of safety-related contracts meet contract requirements as intelligent customer

Key requirements

  • Broad electrical engineering experience with HV/MV and LV distribution, protection systems, C&I systems, synchronous motors, frequency changers, and diesel alternators
  • PSR experience in line with ONR DNSR Licence/Authorisation conditions, including SSCs, safety case adequacy, ageing mechanisms, and fitness for service
  • Ability to develop practical, innovative, and cost-effective engineering solutions for plant modifications
  • Good understanding of British and international engineering design standards
  • Strong analytical skills for evidence-based decisions
  • Excellent written and verbal communication with stakeholders
  • Strong organisational skills to manage and prioritise workload
  • HNC in a relevant engineering discipline
  • Excellent written and verbal communication
  • Strong analytical skills
  • Strong organisational skills
  • HV/MV/LV distribution
  • Protection systems
  • C&I systems

…

Posted: October 1st, 2026