Location
London or Manchester office with mainly project-based work and hybrid working options to promote well-being. Travel expected to UK locations including suppliers, offices and similar sites.

Hours
Full time, flexible hours aligned with project demands.

Salary
Negotiable

About the Role
This key role as a Designated Individual (HV Power) is a senior technical and compliance expert position within Costain's Technical Excellence team. You will lead and support project delivery focused on high voltage (HV) site construction operations, design oversight, assurance, and compliance up to 400kV. You will be responsible for driving robust, safe, compliant, and high-quality transmission designs and processes supporting substation construction and cabling development works. As the company’s expert for HV transmission solutions and compliance, you will lead processes and hold technical responsibility for project delivery, ensuring technical assurance, safe-by-design approaches, compliance, and stakeholder management throughout HV Infrastructure and Transmission projects.

You will own processes, technical controls, assurance, and competencies across the entire project lifecycle including tender, design, construction, commissioning, and handover. This role requires collaboration with project leadership, procurement, commercial teams, and supply chain to drive delivery excellence and continuous improvement.

Experience
- Broad knowledge of UK HV (up to 400kV) project and construction operations at all stages
- Detailed knowledge and experience of National Grid standards and UK regulatory requirements
- Forensic and investigation skills within the discipline
- Proven leadership experience in technical and compliance roles
- Commercial and contractual awareness
- Strong safety and quality focus
- Risk and opportunity management expertise
- Digital skills relevant to the role
- Certified HV working skills/card with supporting CPD
- Eligible for UK Security Clearance (SC)

About You
- Expert communicator and visible leader
- Ability to resolve complex technical challenges and manage interfaces
- Strong stakeholder management skills including clients such as National Grid
- Commitment to promoting a culture of continuous improvement, lessons learned, best practice, and innovation
- Mentoring and developing HV design engineers and multidisciplinary teams
- Safety and environmental focus in infrastructure delivery

Qualifications
- UK Chartered Engineer status
- Certified HV working skills/card and ongoing CPD
- Desirable: line management and people development experience
- Desirable: connections to industry bodies and institutions
- Desirable: commercial and contractual training
- Desirable: APM, project management or risk management qualifications