EHV Estimator - Substations

NES Group Ltd; England; On-site; GBP 40,000 - 60,000; Full time

Job summary

A large-scale infrastructure company in the UK is seeking an EHV Estimator to join their pre-construction team due to expansion. In this role, you will prepare accurate cost estimates for extra high voltage substation projects, interpreting technical drawings and developing detailed cost models. This position offers the chance to work alongside various technical and commercial colleagues in a growing environment. Strong estimating and analytical skills are essential for success in this dynamic role.

Qualifications

• Experience in preparing cost estimates for HV substation projects.
• Familiarity with EHV substation components and systems.
• Strong analytical skills for building cost models.

Responsibilities

• Prepare accurate cost estimates for EHV substation projects.
• Interpret technical drawings to develop cost models.
• Develop first-principles cost estimates for components.

Skills

Estimating

Cost Development

Understanding of EHV substation components

Technical drawing interpretation

Job description

NESFircroft are proud to be representing a large-scale infrastructure, energy and communications client based in the UK. Actively searching for a EHV Estimator to join their pre-construction team in 2026 due to expansion and successful project wins. This offers the perfect opportunity for someone to step into a growing business with a dynamic client base.

Reporting to the Pre-Construction Commercial Director, you’ll work alongside technical, procurement, engineering and commercial colleagues to price and plan major Extra High Voltage (EHV) substation projects across the UK.

SCOPE OF ROLE

As EHV Electrical Estimator, you’ll be responsible for preparing robust, accurate, first principles cost estimates for HV substation projects. You’ll interpret technical drawings and employer specs to develop detailed cost models for primary plant, secondary systems, and associated civil and commissioning works. Your estimates will help drive competitive tenders, frameworks and project approvals.

HOW YOU’LL SUCCEED

Estimating & Cost Development

• Develop first-principles cost estimates for EHV substation components : transformers, switchgear (AIS / GIS), protection systems, busbars, etc.
• Build accurate cost models for materials, plant, labour, prelims, and indirects.
• Factor access, site conditions, outages, and productivity rates into your methodology.
• Produce traceable and auditable pricing sche...