HV Plant CDAE

ERSG Ltd; Stafford; On-site; GBP 60,000 - 90,000; Full time

Job summary

ERSG Ltd in the United Kingdom is seeking an experienced HV Substation Design Approval Engineer (Contract) to act as the technical authority for reviewing and approving HV/EHV substation design packages. You will lead primary plant designs for AIS, GIS, and HV substations, review drawings and calculations, and ensure compliance with UK transmission standards.

You will coordinate with Protection & Control, Civil, and other engineers, review vendor documentation, and mentor the design team while

Qualifications

• Degree in Electrical Engineering or related discipline.
• Significant experience delivering HV/EHV substation primary design projects in the UK.
• Experience in Lead Design Engineer, Design Approval or Technical Authority roles.
• Strong knowledge of UK transmission standards and utility requirements.
• Experience coordinating multidisciplinary teams across large projects.

Responsibilities

• Act as the technical authority for reviewing and approving HV/EHV substation design packages.
• Lead the delivery of primary plant designs for AIS, GIS, and HV substations.
• Review, verify and approve drawings, calculations and reports before submission.
• Provide technical guidance and mentoring within the design team.
• Promote quality, safety and compliance throughout engineering processes.

Education

Degree in Electrical Engineering or related discipline

Tools

CAD software

3D modelling/BIM tools

Job description

HV Substation Design Approval Engineer (Contract)

Responsibilities

• Act as the technical authority for reviewing and approving high-voltage and extra-high-voltage substation design packages.
• Ensure primary electrical designs comply with applicable transmission standards, project specifications, and engineering best practice.
• Review, verify, and approve engineering drawings, calculations, technical reports, and design documentation before submission.
• Lead the delivery of primary plant designs for AIS, GIS, and HV substations throughout the project lifecycle.
• Produce and review general arrangement drawings, equipment layouts, section drawings, and associated technical documentation.
• Manage design revisions, assess engineering changes, and ensure all modifications are accurately documented and technically justified.
• Review vendor documentation and confirm selected equipment is suitable for the intended application.
• Participate in technical design reviews, constructability workshops, and engineering risk assessments.
• Work closely with multidisciplinary teams including Protection & Control, Civil, Overhead Line, and Cable engineers to ensure coordinated project delivery.
• Provide technical guidance and mentoring to engineers within the design team.
• Support engineering assurance activities by responding to technical queries and resolving review comments within agreed timescales.
• Promote quality, safety, and compliance throughout all stages of the engineering process.
• Ensure engineering solutions align with current UK transmission standards and industry regulations.

Requirements

• Degree in Electrical Engineering, Power Engineering, Mechanical Engineering, or a related discipline.
• Significant experience delivering HV/EHV substation primary design projects within the UK transmission sector.
• Previous experience in a Lead Design Engineer, Design Approval, or Technical Authority position.
• Strong understanding of transmission substation engineering principles, including AIS and GIS substations.
• Experience reviewing and approving engineering drawings, calculations, and technical documentation.
• Knowledge of UK transmission network standards and utility engineering requirements.
• Experience coordinating multidisciplinary engineering teams across complex infrastructure projects.
• Familiarity with engineering change management and formal design review processes.
• Working knowledge of relevant UK Health & Safety legislation and safe-by-design principles.
• Experience using CAD software, with exposure to 3D modelling or BIM tools considered advantageous.
• Excellent communication skills with the ability to engage internal engineering teams, contractors, and project stakeholders.
• Able to work independently while providing technical leadership on major transmission projects.

ersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate against applicants on the basis of age, sex, race, disability, pregnancy, marital status, sexual orientation, gender reassignment or religious background; all decisions are based on merit