Mechanical Design Engineer – Mining & Heavy Equipment

cquail; Johannesburg; On-site; ZAR 650,000 - 900,000; Full time

Job summary

Unknown is seeking a Mechanical Design Engineer to design and optimise heavy mining equipment systems, combining CAD modelling, calculations and field commissioning to deliver robust, manufacturable solutions.

The role requires strong experience with hydraulic systems, engineering standards, and cross-functional collaboration with manufacturing, supply chain and development teams for design verification and documentation.

Qualifications

• BEng or BSc in Mechanical Engineering.
• Candidate Engineer registration with ECSA, with a clear path toward professional registration.
• 5-8 years of mechanical design experience involving heavy rotating, drilling or comparable heavy equipment.
• Experience in mining, drilling or heavy-equipment OEM environments.
• Strong CAD modelling and manufacturing-drawing capability, including engineering calculations and design verification.
• Experience with hydraulic systems and hydraulically driven equipment.
• Valid driver’s licence and medical fitness for workshop and underground site exposure.

Responsibilities

• Develop practical, safe and manufacturable mechanical designs for heavy-duty equipment and assemblies.
• Produce engineering calculations, 3D models, manufacturing drawings, bills of materials and technical documentation.
• Design and integrate hydraulic and mechanically driven systems for demanding operating environments.
• Support design reviews, verification testing, prototype builds and first-of-type commissioning.
• Work closely with manufacturing, supply chain, operations and development engineering teams.
• Investigate field issues and implement design improvements to enhance reliability, maintainability and performance.
• Manage engineering changes, technical documentation and configuration requirements.
• Apply relevant drawing, tolerancing, structural and engineering standards throughout the design process.

Skills

CAD modelling

Manufacturing drawings

Engineering calculations

Design verification

Field commissioning

Education

BEng or BSc Mechanical Engineering

Tools

Autodesk Inventor

SolidWorks

Job description

Unknown is seeking a Mechanical Design Engineer to design and optimise heavy mining equipment systems, combining CAD modelling, calculations and field commissioning to deliver robust, manufacturable solutions.

The role requires strong experience with hydraulic systems, engineering standards, and cross-functional collaboration with manufacturing, supply chain and development teams for design verification and documentation.