Johannesburg: Design Engineer (Manufacturing)

Minimum Requirements BEng/BTech Degree in Mechanical or Chemical Engineering 26 years experience in thermal or mechanical design of industrial equipment Strong understanding of heat-transfer theory and mechanical design principles Experience with heat-exchanger design software (e.g., Unilab, Coil Designer) Knowledge of design codes including ASME and SANS Responsibilities Analyse process data (flow rates, temperatures, pressures, heat duties) to determine appropriate Compressor (Systems)/Coil/HVAC configurations. Use in-house or proprietary heat-transfer software to perform sizing, thermal design, and performance predictions. Conduct mechanical design checks according to relevant codes (ASME, TEMA, PED, SANS). Generate bill of materials for manufacturing Select materials of construction based on corrosion resistance and operating conditions Ensure all designs meet safety, reliability, and cost-efficiency criteria Work closely with the Sales Executive to interpret Customer enquiries and develop technical proposals Provide technical input and design data for quotations and tenders Review specifications, datasheets, and tender documents to identify risks or deviations Assist in preparing cost estimates and support technical meetings with Customers Ensure Customer requirements are clearly communicated to Production and Quality Teams Support the transition from sales to production by preparing design documentation Liaise with Manufacturing and Quality Teams during fabrication to resolve design queries Participate in testing, inspection, and final documentation preparation Support post-delivery issues such as design clarifications or performance adjustments Maintain up-to-date knowledge of heat-transfer principles, materials, and fabrication techniques Suggest improvements in design methods and tools Participate in product standardisation and cost-reduction initiatives TO APPLY: Only if you meet the minimum job requirements and experience as mentioned above, you may submit a detailed updated CV. Please Apply Online and complete your registration via our website to enable and protect you as a candidate and to accept the new POPIA terms and conditions. This will then create your permanent profile with which you can apply for all jobs as advertised by AJ PERSONNEL. However, you may remove your profile from AJ PERSONNEL when you are no longer in the job market. Please take note that the applicants who do not adhere to the minimum requirements will not be considered for the respective position. Note our clients may expire jobs at their own discretion. AJ PERSONNEL will only respond to shortlisted candidates. If you have not received a response within two (2) weeks from applying, your application was then unsuccessful for that specific position, however your profile remains on our system for future opportunities.