Principal Electrical Engineer – Nuclear

Costain Group PLC

Principal Electrical Engineer leading projects in Defence and Nuclear Energy sectors. Working within a multi-disciplinary team to deliver electrical design and support junior engineers.

Posted 7/29/2026full-timeGreater Manchester • 🇬🇧 United KingdomLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive electrical engineering expertise within the Nuclear sector, with a strong focus on design deliverables, compliance with UK legislation and standards, and risk management. Proven ability to lead projects and communicate effectively with multi-discipline teams and stakeholders.

Highest-signal resume keywords

Electrical Engineering ExperienceNuclear Sector KnowledgeProject Leadership18th Edition Wiring RegulationsSecurity Clearance Eligibility

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Electrical Design DeliverablesAnalysis and CalculationsDesign SpecificationsInstallation RequirementsCE Marking RequirementsATEX ComplianceHSE RequirementsRisk ManagementMulti-Discipline Team CollaborationClient Facing Experience

Soft Skills

Effective CommunicationLeadership

Certifications & Qualifications

Chartered Engineer StatusIncorporated Engineer Status

Industry Keywords

Nuclear EnergyUK Legislation and StandardsElectrical EngineeringRisk IdentificationLow Voltage DirectiveMachinery DirectiveEMC Compliance

About the role

Key responsibilities & impact

Perform the Principal Electrical Engineer role on a range of Defence and Nuclear Energy projects from Concept Studies through to Detailed Design.
Work predominantly for Nuclear Energy clients and support work across other sectors.
Responsible for the production of electrical design deliverables including analysis, calculations, reports and specifications.
Take responsibility for leading projects and sub-tasks from a technical perspective.
Communicate designs effectively to electrical engineers, designers, other disciplines, construction personnel and stakeholders.
Attendance occasionally required for site visits, design reviews and client meetings.

Requirements

What you’ll need

Good knowledge of design working practices and installation requirements of the discipline within the Nuclear sector.
Significant electrical engineering experience within the Nuclear sector
Eligibility for Security Clearance - UK national or have been a resident in the UK for a minimum of five years
Extensive knowledge of UK legislation and standards
Competence in the requirements for installation of equipment on Nuclear plant
Experience in the requirements for CE marking of plant and equipment, including ATEX, PED, Low Voltage Directive, Machinery Directive and EMC Compliance
Awareness of risk identification, quantification, management and of HSE requirements
Degree in electrical engineering or suitable equivalent (e.g. Electronic / Electrical / Control Engineering) Apprenticeships may be considered
Chartered or Incorporated engineer status with a relevant professional body or evidence of being close to gaining these professional titles
Experience of working in multi-discipline teams
Experience of leading projects in a client facing role
Experience in the requirements for ATEX
18th Edition Wiring Regulations

Benefits

Comp & perks

Remote and office-based work options
Support and guidance for junior team members