Chief Engineer, HV

Costain Group PLC

Chief Engineer (HV) providing technical leadership in HV project delivery for Costain. Responsible for driving safe and compliant high voltage solutions across projects.

Posted 7/8/2026full-timeLondon • 🇬🇧 United KingdomLeadWebsite

About the role

Key responsibilities & impact

Provide technical leadership across all HV projects, supporting client sales, tendering, design delivery, supplier selection, construction, quality, commissioning and handover.
Act as the main point of contact for internal and external stakeholders on HV Design matters including clients including National Grid
Have a strong HV and wider infrastructure delivery safety and environmental focus
Responsible for development and assurance of HV technical working procedures aligned to the project, Costain, client and Regulatory needs, ensure these integrate with other disciplines
Responsible for their HV technical competency, both in discipline and for others involved in delivery, such as CDAE, LCDAE, PD and others on a HV site. Define training and competency needs for all roles on HV works, establish a career pathway in HV and succession plans
Work with the design leaders to ensure all design output and scope is compliant with HV requirements including National Grid / other clients.
Develop and maintain all HV and National Grid governance / Costain Way requirements so that align with best practice, client needs and Regulatory requirements.
Have an in depth knowledge of the HV supply chain used in the UK, in particular National Grid.
Able to resolve complex and multifaceted technical challenges in their discipline and recognised and manage interfaces with others
Expert communicator and visible leader, supporting both on project and wider initiatives, expert in risk, value engineering and optioneering etc
Driving quality control / assurance across the HV projects operations, focus on achieving right first time and predictable delivery. Independently review commissioning plans for live projects.
Own the Impressed Voltage Management Plans, appoint Earthing Control Person and Earthing Application Persons
Collaborate with project leadership, procurement, commercial and supply chain to drive delivery
Expert in reporting status, including spend, risk, performance and similar
Participate in design audits, technical queries and cross-check with third party designers where required.
Mentor, develop and lead HV design engineers and multidisciplinary teams
Promote a culture of continuous improvement; lessons learned, best practice, innovations

Requirements

What you’ll need

Broad knowledge of UK HV (up to-400kV) project / construction operations at all stages
Have detailed knowledge and experience of National Grid standards and requirements, and UK Regulations
Forensic / investigation skills in their discipline
Strong leadership skills
Commercial / contractual awareness
Safety and quality focussed
Risk and opportunity management
Digital skills relevant to requirements
UK Chartered Engineer
Certified HV working skills / card and supporting CPD
Eligible for UK SC (Security Clearance)
Line management and people development (depending on role)
Connections to industry bodies / institutions
Commercial / contractual training
APM / project management / risk

Benefits

Comp & perks

Hybrid working options to promote well being
Travel expected to UK locations, such as suppliers, offices and similar.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

HV DesignForensic Investigation SkillsDigital SkillsCommercial AwarenessQuality ControlRisk ManagementTenderingConstruction OperationsCommissioning PlansHV Technical Procedures

Soft Skills

Expert CommunicationVisible LeadershipMentoringCollaborationContinuous Improvement

Certifications

UK Chartered EngineerCertified HV Working SkillsEligible for UK SC