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Principal Electrical Engineer - London

Costain
London
Principal Electrical Engineer - London Job Description

This is an excellent opportunity where you will hold the Lead Design Engineer position on one or more Projects in our Energy Sector. Within this sector, Costain deliver projects to industry leading clients across a number of phases. Whether it be a concept study, FEED or ECPcm project, you will work as part of multi-discipline team to deliver best in class engineering on time and to budget. Our pipeline provides the opportunities to work in a variety of areas from brownfield Oil and Gas assets to cutting edge Hydrogen production and storage. We also offer the opportunity to work in our other sectors such as Nuclear and Defence or Transport. Costain provide a collaborative and supportive working environment to enable our people to thrive.

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Responsibilities

As a client facing Principal Engineer, your responsibilities could involve:

  • Electrical discipline technical input for projects and/or proposals; including preparation, checking and/or approval of engineering deliverables
  • Organising discipline staff, allocating work and ensuring delivery against plan
  • Mentoring and developing graduates and less experienced engineers
  • Production of high-quality electrical engineering deliverables to schedule, budget and client satisfaction
  • Ensuring all applicable national and international codes of practice, legislation and company/client standards and procedures are complied with
  • Preparing equipment and materials requisitions for HV and LV switchboards, transformers, motors, UPS systems, power factor correction, earthing, trace-heating, lighting and other electrical equipment
  • Preparing installation scopes of works
  • Reviewing supplier's quotations and preparing technical bid assessments

More specific technical deliverables could include:

  • Protection grading studies and earthing calculations
  • Power system analysis including fault level calculations and load flows
  • HV and LV cable and equipment sizing
  • Production of electrical equipment datasheets and specifications
  • Commissioning support
  • DNO engagement

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Qualifications

  • Degree in relevant engineering discipline (e.g. Electronic / Electrical / Control Engineering) Apprenticeships may be considered
  • Chartered or Incorporated engineer
  • Good knowledge of design working practices and installation requirements of the discipline across a range of industries.
  • Significant engineering experience in the Oil & Gas, Nuclear and/or Water sectors
  • Extensive knowledge of UK legislation and standards
  • Competence in the requirements for installation of equipment in process plants involving potentially explosive areasatus with a relevant professional body or evidence of being close to gaining these professional titles
  • Relevant stakeholders
  • Focussed on business improvement by proactively creating efficiencies, supporting the recruitment of talented people, promoting the Costain brand and contributing to an excellent working environment

About Us

Costain helps to improve people's lives with integrated, leading edge, smart infrastructure solutions across the UK's energy, water, transportation and defence markets. We help our clients improve their business performance by increasing capacity, improving customer service, safeguarding security, enhancing resilience, decarbonising and delivering increased efficiency. Our vision is to be the UK's leading smart infrastructure solutions company. We will achieve this by focusing on blue chip clients whose major spending plans are underpinned by strategic national needs, regulatory commitments, legislation or essential performance requirements. We offer our clients leading edge solutions that are digitally optimised through the following five services which cover the whole lifecycle of their assets: future-shaping strategic consultancy; consultancy and advisory; digital technology solutions; asset optimisation and complex programme delivery. Our culture and values underpin everything we do.

Costain appreciate the time and effort taken when applying for one of our positions but, due to the high volume of responses, we are unable to provide individual feedback on candidates at application phase.

We do share individual feedback following an interview .

A Disability Confident employer will generally offer an interview to any applicant that disclose they have a disability and meets the minimum criteria for the job as defined by the employer.

It is important to note that in certain recruitment situations such as high-volume, seasonal and high-peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non-disabled people.

For more details please go to the Disability Confident website:

Posted 2025-07-25

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