Senior Mechanical Design Engineer (Water/Wastewater)

The Legends Agency; Cape Town; On-site; ZAR 400,000 - 500,000; Full time

Job summary

A reputable engineering firm in Cape Town is seeking a Senior Mechanical Design Engineer to lead mechanical design projects in water and wastewater treatment. The ideal candidate has over 7 years of experience, a degree in Mechanical Engineering, and proficiency in CAD software. This role offers an opportunity to impact local and international projects while mentoring junior engineers.

Qualifications

• Minimum 7 years of mechanical engineering experience in relevant fields.
• Deep understanding of hydraulic systems, including surge analysis.
• Knowledge of international safety and design standards.

Responsibilities

• Lead or contribute to multiple design projects.
• Develop mechanical systems designs using CAD software.
• Coordinate interdisciplinary design integration.

Skills

Mechanical engineering experience in water/wastewater treatment

Proficient in CAD software

Excellent communication skills

Leadership abilities

Education

BTech/BSc in Mechanical Engineering

ECSA registration (PR Eng/PR Tech) or Candidate

Tools

CAD software

Microsoft Office

Job description

Overview

Senior Mechanical Design Engineer (Water/Wastewater) – Cape Town, Western Cape, South Africa

Job Openings Senior Mechanical Design Engineer (Water/Wastewater)

About the job Senior Mechanical Design Engineer (Water/Wastewater)

Senior Mechanical Design Engineer (Water/Wastewater)

Help shape innovative water treatment solutions in a collaborative, multidisciplinary design team.

Mechanical Engineering Cape Town based Competitive salary

About Our Client

Our client is a well-established engineering business with a track record of delivering high-quality, end-to-end engineering and construction services in the UK and abroad. With expertise spanning sectors like Water, Energy, Nuclear, and Defence, they emphasize innovation, value engineering, and in-house design and manufacturing capabilities. They are expanding their Cape Town-based engineering hub, offering professionals an opportunity to work on UK water industry projects while enjoying local collaboration and global impact.

The Role: Senior Mechanical Design Engineer

This role focuses on delivering mechanical design for water and wastewater treatment projects, including water distribution, storage, and flood defence systems. You will support all stages of the design process, working closely with colleagues and clients to develop robust, safe, and technically excellent solutions.

Responsibilities

• Report to the Mechanical Design Manager and contribute to a multidisciplinary engineering team.
• Lead or contribute to multiple design projects with complex mechanical elements.
• Interpret and challenge client specifications and technical documentation.
• Develop mechanical systems designs, specifications, calculations, and layouts using CAD software.
• Collaborate with UK counterparts on surveys, procurement, and installation planning.
• Coordinate interdisciplinary design integration to ensure seamless project delivery.
• Maintain awareness of technical standards, safety regulations, and new methodologies.
• Contribute to risk assessments and support health and safety planning throughout the project lifecycle.
• Review subcontractor and supplier designs, ensuring compliance and integrating outputs.
• Support project documentation and ensure alignment with quality and regulatory standards.
• Mentor junior engineers and foster a collaborative, innovative team culture.

About You

• Minimum 7 years of mechanical engineering experience in water/wastewater treatment or similar infrastructure.
• BTech/BSc in Mechanical Engineering; ECSA registered (PR Eng/PR Tech) or Candidate.
• Proficient in CAD software, Microsoft Office, and technical documentation.
• Deep understanding of hydraulic systems, including surge analysis and sludge rheology.
• Knowledge of international and UK safety and design standards.
• Excellent communication and stakeholder management skills.
• Strong leadership, mentoring, and time management abilities.
• Committed to ongoing professional development.