Energy Systems Lead Engineer — Heat Exchanger Expert

Eskom; South Africa; On-site; ZAR 900,000 - 1,300,000; Full time

Job summary

Eskom in Johannesburg seeks a Senior Mechanical Engineer to lead energy systems design and delivery. You will drive thermal design, costing, manufacturing support, and commissioning across heat exchangers and process plants.

The role requires a strong background in heat transfer, thermodynamics, and project execution, with site travel as needed. You will collaborate with contracts, manufacturing, and client teams to ensure compliant, quality outcomes.

Qualifications

• 5+ years of mechanical engineering experience within process plant, manufacturing, thermal systems, or industrial environments.
• Experience with heat exchangers, thermal design calculations, and process equipment.
• Proven exposure to cost estimation, tender preparation, and project execution.
• Strong understanding of thermodynamics, heat transfer, and mechanical design principles.
• Proficiency in engineering documentation and client-facing technical support.
• Valid driver's license and willingness to travel to sites as required.
• Experience in ASME, TEMA, API, or relevant SANS standards.

Responsibilities

• Perform thermal design and calculations for plate and shell & tube heat exchangers.
• Prepare technical proposals, tenders, quotations, and cost estimates.
• Develop equipment designs and review engineering drawings and documentation.
• Coordinate engineering activities with contracts, manufacturing, and project teams.
• Provide technical support to clients and sales teams.
• Oversee workshop quality control and manufacturing activities.
• Assist with commissioning, troubleshooting, and site support.
• Manage supplier engagement, procurement activities, and vendor documentation.
• Ensure compliance with QA/QC standards and document control requirements.

Skills

Heat exchangers

Thermal design calculations

Process equipment

Cost estimation

Tender preparation

Project execution

Thermodynamics

Mechanical design

Engineering documentation

Client-facing support

Education

BEng, BSc, or BTech in Mechanical Engineering

Job description

Eskom in Johannesburg seeks a Senior Mechanical Engineer to lead energy systems design and delivery. You will drive thermal design, costing, manufacturing support, and commissioning across heat exchangers and process plants.

The role requires a strong background in heat transfer, thermodynamics, and project execution, with site travel as needed. You will collaborate with contracts, manufacturing, and client teams to ensure compliant, quality outcomes.