HV/MV Substation Estimator - T&D Tender Expert

Aurex Constructors; Midrand; On-site; ZAR 600,000 - 900,000; Full time

Job summary

Aurex Constructors seeks an experienced Estimator – Substations to join our Transmission & Distribution team in South Africa. You will prepare accurate cost estimates for HV/MV substations to support tender submissions and business development across SA and the region.

The role requires strong technical, commercial, and analytical skills to evaluate project requirements, risks, and develop detailed cost estimates for EPC, construction, and infrastructure projects.

Qualifications

• Diploma or Degree in Electrical Engineering, Construction Management, Quantity Surveying, or a related field.
• Minimum 5–10 years' estimating experience within the electrical, transmission, distribution, or construction sector.
• Proven experience estimating substation projects within HV and MV environments.
• Strong knowledge of EPC, construction, and project costing principles.
• Ability to interpret electrical drawings, specifications, and BOQs.
• Proficiency in Microsoft Excel and estimating software.

Responsibilities

• Prepare detailed cost estimates for HV and MV substation projects.
• Analyse tender documents, drawings, specifications, BOQs, and customer requirements.
• Develop material, labour, plant, subcontractor, and equipment cost estimates.
• Compile pricing schedules and commercial submissions.
• Maintain estimating databases and historical cost information.

Skills

Analytical skills

Numerical skills

Commercial awareness

Attention to detail

Risk assessment

Cost modelling

Time management

Negotiation

Communication

Education

Electrical Engineering / Construction Management / Quantity Surveying (Diploma or Degree)

Tools

Excel

Estimating software

Job description

Aurex Constructors seeks an experienced Estimator – Substations to join our Transmission & Distribution team in South Africa. You will prepare accurate cost estimates for HV/MV substations to support tender submissions and business development across SA and the region.

The role requires strong technical, commercial, and analytical skills to evaluate project requirements, risks, and develop detailed cost estimates for EPC, construction, and infrastructure projects.