Senior Process Engineer – Heat Exchangers & Thermal Systems

Sappi; Johannesburg; On-site; ZAR 600,000 - 900,000; Full time

Job summary

Sappi, Johannesburg-based engineer role, focuses on designing heat exchangers and thermal systems within industrial plants. The position involves developing designs, preparing cost estimates, and supporting projects from concept to commissioning.

Ideal candidates bring 5+ years in process engineering, strong heat transfer knowledge, and proven client liaison skills, with readiness to travel to sites and collaborate with sales and contracts teams.

Qualifications

• BEng/BSc in Chemical Engineering, Process Engineering, Mechanical Engineering, or related discipline.
• Minimum 5 years' experience in process engineering, heat exchangers, thermal systems, or industrial process plants.
• Proven experience with thermal design calculations, equipment sizing, and process plant engineering.
• Experience with cost estimation, tender preparation, and project execution.
• Strong understanding of heat transfer, thermodynamics, and fluid flow principles.
• Excellent technical reporting, communication, and client liaison skills.
• Proficiency in Microsoft Office and engineering design/calculation software.
• Valid driver's license and willingness to travel to sites as required.

Responsibilities

• Perform thermal design and calculations for plate and shell & tube heat exchangers.
• Prepare technical proposals, tenders, quotations, and cost estimates.
• Develop process and equipment designs for project execution.
• Provide technical support to clients and assist with sales activities.
• Coordinate engineering deliverables with project and contracts teams.
• Prepare operating manuals, technical documentation, and vendor data packs.
• Support manufacturing, workshop coordination, and quality control activities.
• Assist with site inspections, commissioning, and troubleshooting.
• Liaise with suppliers, inspection authorities, and customers throughout project execution.

Skills

Heat exchanger design

Process engineering

Thermal calculations

Client liaison

Education

BEng/BSc in Chemical/Process/Mechanical Eng

Tools

MS Office

Engineering design software

Job description

Sappi, Johannesburg-based engineer role, focuses on designing heat exchangers and thermal systems within industrial plants. The position involves developing designs, preparing cost estimates, and supporting projects from concept to commissioning.

Ideal candidates bring 5+ years in process engineering, strong heat transfer knowledge, and proven client liaison skills, with readiness to travel to sites and collaborate with sales and contracts teams.