Quality Mechanical Engineer – Relocation Support

Placements24; South Africa; On-site; ZAR 500,000 - 900,000; Full time

Job summary

Placements24 presents a permanent Mechanical Engineer opportunity in Gauteng for a well-established South African process engineering company specializing in heat exchangers and thermal equipment. The role covers design, costing, manufacture and commissioning of heat exchangers and related process plant equipment, with involvement from concept through to handover.

Candidates should have a BEng/BSc/BTech in Mechanical Engineering, 5+ years of experience in process plants or thermal systems, and

Qualifications

• BEng, BSc, or BTech in Mechanical Engineering.
• 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.

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 design

Thermal design

Cost estimation

Tender preparation

Project execution

Engineering documentation

Client-facing support

Education

BEng/BSc/BTech in Mechanical Engineering

ECSA registration (Pr Eng or Pr Tech Eng)

Job description

**Job details**
Posted
22 October 2026
Salary
ZAR Negotiable
Start date
21 October 2026
LocationJohannesburg
Job type Permanent
Discipline Industrial Manufacturing
, Oil Gas and Chemicals
Reference
Job Function Mechanical Engineer

Our client is a well-established South African process engineering company specializing in the design, manufacture, and supply of heat exchangers, thermal equipment, and process plants. Founded in 1987, the company provides innovative engineering solutions to industrial clients across multiple sectors and is recognized for its expertise in heat transfer technology, process engineering, and thermal system design.

We are seeking an experienced Mechanical Engineer to join their specialist engineering team. This role offers the opportunity to work on the design, costing, manufacture, and commissioning of heat exchangers and related process plant equipment while supporting projects from concept through to completion. This role is located in Gauteng.

• 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.

• BEng, BSc, or BTech in Mechanical Engineering.
• 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.

• ECSA registration (Pr Eng or Pr Tech Eng).
• Experience in pressure equipment, piping systems, and industrial process plants.
• Knowledge of ASME, TEMA, API, or relevant SANS standards.
• Exposure to commissioning and troubleshooting of thermal systems.

We are an equal opportunity employer. All qualified individuals will receive consideration for employment without regard to race; color; age; sex; sexual orientation; gender identity; religion; national origin; disability; veteran status; genetic information; or any other criteria protected by governing law.

**Company Description**

**Enterprise Capabilities (EC) Support**
As part of AECOM's Enterprise Capabilities (EC) team, you will join a global network of over 3,000 technical professionals across nine countries. The EC team is trusted to seamlessly deliver high-quality, specialist expertise that expands our project capacity across all scope and sizes. You will form part of a larger EC Environment Team and work from one of the local offices, note AECOM operates a hybrid work model split between work in one of AECOM's offices and working from home. Important Note: This is a remote, desk-based position providing dedicated support to our UK team.

**Start here. Grow here.**

**Job Description**

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world's most complex challenges and build legacies for future generations. There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of nearly 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

**What your new role will entail:**

• Principal accountabilities:
• Air quality monitoring (desk- based data analysis support)
• Air quality modelling
• Data analysis and interpretation
• Report writing
• Proposal writing
• Collaboration with colleagues and clients

**Being part of the team:**

• This is a fantastic opportunity to further develop your career in air quality consultancy, within an established, inclusive and thriving Air Quality team.
• At AECOM, our commitment to shaping a sustainable future is embodied in the Environment & Sustainability Business Unit, one of the Top xx Environmental Consultancies. This comprehensive team seamlessly integrates three Sub Business Units - Planning & Communities, Carbon & Advisory, and Nature - each comprising specialised Practices that collectively deliver sustainable solutions for our clients, promoting social and environmental benefit.
• In the Carbon & Advisory Sub Business Unit, our commitment to environmental responsibility takes centre stage. Through three specialised Practices - Air Quality, Carbon & ESG, and Digital Environment - we address challenges posed by air pollution, promote carbon positive solutions, and lead the way in digital innovation. Our collaborative efforts with clients across a diversity of sectors create pathways for sustainable practices and resilient futures.
• Our 45+ Air Quality experts in the UK are developing guidance, driving digital approaches and solving complex challenges to provide a cleaner, healthier future. With a geographic reach covering the UK, Europe, and the Middle East, our comprehensive range of services supports clients across diverse markets. This includes supporting healthier and thriving neighbourhoods, contributing to the energy transition and improving transport links. Through advanced modelling techniques, monitoring programmes, emission inventories and odour assessments we bring air quality positive solutions at all stages of a project's lifecycle.
• Day-to-day you may be: performing dispersion modelling using ADMS for a National Highways road project; designing a dust monitoring programme for Network Rail; writing code to help interpret and analyse data for Transport Infrastructure Ireland; performing desk-based analysis of occupational exposure monitoring for Royal Mail; writing an air quality chapter for an Environmental Statement for a National Significant Infrastructure Project (NSIP); coaching a new member of staff and sharing your skills and knowledge.
• You will be given the encouragement and belief to voice your opinions and ideas to help us improve the way in which we work; everyone's views are valued in our team
• You will receive help and guidance to develop your skills and shape your career in the direction you want to head in.

**Qualifications**

• Good communicator with the confidence to engage with a variety of people (clients, colleagues, stakeholders and sub-contractors alike) and the aptitude to rationally explain, explore and discuss technical issues and capture feedback
• Extensive experience of the use of air quality modelling software (e.g. ADMS) and GIS. Programming skills (e.g. R studio) advantageous.
• Highly competent with Microsoft Office, in particular an expert user of Excel and Word
• Strong attention to detail and takes pride in their work
• Self-motivated, enthusiastic, hard working, organised under pressure
• Good team worker and also able to work independently without losing initiative & focus

**Qualifications**

• Experience as an Air Quality Consultant
• Educated to degree level or further, in a numerate subject

**Additional Information**

At AECOM, you will have freedom to grow in a world of opportunity. At AECOM, our Freedom to Grow philosophy supports flexibility and balance to help our people thrive. As part of this approach, we ask all hybrid employees to work from an AECOM office at least three days per week. At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

**About AECOM**

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients' complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle - from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com.

**What makes AECOM a great place to work**

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you'll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you've always envisioned. Here, you'll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity.

As an Equal Opportunity Employer, we believe in your potential and are here to help