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Mechanical Design Engineer

Geotech

Job Location:

Johannesburg - South Africa

Monthly Salary: Not provided by the employer

Posted: 29 September 2026 (Yesterday)

Application Deadline: 27 December 2026

Vacancies: 1 Vacancy

Job Summary

Job Description

Job Title:

Mechanical Design Engineer

Job Purpose:

Our client is seeking a Mechanical Design Engineer to design mechanical and optical components and systems for LiDAR products ensuring they meet performance form fit and functional requirements while maintaining manufacturability and minimising costs.

Responsibilities:

Design simple effective and innovative solutions to complex engineering problems.
Design mechanical parts systems and sub-systems for products test equipment and production jigs using CAD.
Apply physics mechanics and design principles using CAD to optimise engineering solutions.
Maintain and manage component libraries in accordance with required standards.
Manage development projects to meet required specifications timelines and budgets.
Arrange and conduct regular project update meetings with the Engineering Manager.
Collaborate with Procurement and Finance on component cost estimates and final product costing.
Collaborate with the Development Team Production Engineer and Quality Management to ensure designs:
- Are feasible and manufacturable.
- Meet form fit function and aesthetic requirements.
- Comply with required certification standards.
Prepare test plans and test procedures for opto-electronic systems to verify that specifications are met.
Develop and build prototypes using rapid prototyping techniques for testing and validation.
Record and evaluate test data making design modifications as required to meet performance and efficiency requirements.
Assist with product certification activities where required.
Select appropriate materials and manufacturing processes for each component to ensure reliability and cost-effectiveness.
Ensure all design output documentation including BOMs drawings CAD and CAM files is accurately produced and stored in accordance with company standards.
Consult with external manufacturing providers regarding design specifications provide technical assistance and implement design changes where required.
Provide technical support in the design and development of mechanical and optical systems.
Provide technical support to Production and assist with resolving manufacturing-related challenges.
Liaise with Engineering and Production teams to understand and address difficulties experienced during manufacturing.
Provide technical support and after-sales service to customers when required.
Work directly with customers to resolve design and manufacturing-related queries where necessary.
Research new materials development methods and emerging technologies to improve product performance.
Ensure compliance with the Quality Management System.
Ensure compliance with all Safety Health and Environmental policies and procedures.

Qualifications & Experience:

Bachelors Degree in Mechanical Engineering.
Minimum 5 years experience in mechanical design.
In-depth knowledge of Fusion 360 or other 3D CAD software.
Experience in additive manufacturing and 3D printing/rapid prototyping is advantageous.
Knowledge of optical system design is preferred.
Experience within the aerospace industry or other standards- and process-driven industries is advantageous.
An investigative mindset with the ability to develop practical solutions to real-world engineering problems.
Hands-on approach with proficiency in operating machinery including lathes CNC equipment and general workshop tools.
Extensive knowledge of fabrication processes particularly machining and plastic injection moulding.
Impeccable attention to detail.
Strong planning scheduling collaboration and problem-solving skills.

Required Experience:

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