Mechanical Design Engineer

RecruitPro Solutions Pty Ltd; Centurion; On-site; ZAR 300,000 - 400,000; Full time

Job summary

A specialized defence manufacturer in Centurion is seeking a Mechanical Design Engineer with experience in 40mm grenade launcher systems. The ideal candidate will have a Bachelor's Degree in Mechanical Engineering and hands-on design experience in military-grade weapon systems. Responsibilities include designing components, performing calculations, and ensuring compliance with safety standards. South African citizenship is required for this role.

Qualifications

• Bachelor’s degree in Mechanical Engineering or a closely related field.
• Direct experience designing or developing 40mm grenade launchers.
• Strong CAD proficiency (SolidWorks, Inventor, or similar).
• Familiarity with military standards, ballistics, and material selection for weapon systems.
• Experience with prototyping and functional testing in a defence environment.
• Detail-oriented with a strong commitment to design precision and compliance.
• South African citizenship is required.

Responsibilities

• Design and develop components for 40mm grenade launcher systems.
• Perform detailed mechanical calculations for military applications.
• Create 3D models and manufacturing drawings using CAD software.
• Collaborate with prototyping and testing teams to refine designs.
• Ensure compliance with safety standards and defence regulations.
• Participate in design reviews.
• Support testing and evaluation aligned with NATO standards.
• Investigate and resolve engineering issues during development.

Skills

Mechanical design expertise

CAD software proficiency

Understanding of military standards

Detail-oriented

Education

Bachelor’s Degree in Mechanical Engineering

Tools

SolidWorks

Inventor

Job description

Overview

We are recruiting on behalf of a specialised defence manufacturer for a Mechanical Design Engineer with specific experience in 40mm grenade launcher systems. This is a highly niche opportunity suited to an engineer with hands-on design, development, and testing expertise in military-grade weapon systems. The role is based full-time in Centurion.

Duties and Responsibilities

• Design and develop components and assemblies for 40mm grenade launcher systems
• Perform detailed mechanical calculations and tolerancing suited to military applications
• Create 3D models and manufacturing drawings using CAD software (e.g., SolidWorks, Inventor)
• Collaborate with prototyping, testing, and manufacturing teams to refine designs
• Ensure all systems comply with safety standards, functional specifications, and defence regulations
• Participate in internal and external design reviews
• Support testing, evaluation, and documentation aligned with NATO/military standards
• Investigate and resolve engineering issues during development and production phases

Experience and Qualifications

• Bachelor’s Degree in Mechanical Engineering or a closely related field
• Direct experience designing or developing 40mm grenade launchers
• Strong CAD proficiency (SolidWorks, Inventor, or similar)
• Familiarity with military standards, ballistics, and material selection for weapon systems
• Experience with prototyping and functional testing in a defence or aerospace environment
• Detail-oriented with a strong commitment to design precision and compliance
• South African citizenship (due to defence export control regulations)
• Must be based in or willing to relocate to Centurion