Technical Lead Mechatronics Engineer - Underwater Thruster

Hydromea; Renens; On-site; CHF 120,000 - 170,000; Full time

Job summary

Hydromea, a Swiss deep-tech firm in Renens, seeks a Mechatronics Engineer - Technical Lead for its DISKDRIVE underwater thruster. You’ll own mechanical/electromechanical design from concept through to volume manufacturing and coordinate external consultancies to deliver a coherent, manufacturable solution.

You will lead test campaigns and document designs, ensuring performance in harsh subsea conditions, while collaborating with customers for successful integrations.

Qualifications

• MSc in Mechanical Engineering, Mechatronics, Electrical Engineering, or similar.
• 5+ years of industry experience in product development.
• Mechanical design, prototyping, manufacturing, and testing experience.
• Experience in electric motor design — electromagnetic analysis, winding specification, thermal management.
• Experience with injection moulding, overmoulding, resin encapsulation, or polymer processing.
• 3D design proficiency (Fusion360 or equivalent).
• Basic programming skills (Python, embedded).
• Basic electronics design, assembly, and soldering skills.
• Fluent English
• Demonstrated "can do" entrepreneurial attitude — perseverance in achieving goals.
• Ability to multitask and prioritise in a dynamic environment.
• Willingness to travel for tests and deployments.

Responsibilities

• Lead the technical development through formal stage gates
• Own the mechanical and electromechanical design: BLDC motor architecture, winding, sealing, housing
• Help improve and qualify the 2-step vacuum overmoulding / encapsulation process for the copper coil assembly
• Specify and oversee the development of custom coil winding equipment in collaboration with equipment manufacturers
• Design and build prototype thrusters, test fixtures, QC jigs, and production test equipment
• Plan and execute test campaigns: performance, environmental, endurance/life cycling
• Coordinate and review work from external engineering consultancies and integrate their work
• Produce formal design documentation packages at each stage gate
• Support the industrialisation lead with design-for-manufacturing input and process documentation transfer
• Engage with customers on technical integration support

Skills

Mechanical design

Prototyping

Manufacturing

Testing

Electric motor design

Thermal management

3D design

Soldering

Fluent English

Education

MSc in Mechanical Engineering

MSc in Mechatronics

MSc in Electrical Engineering

Tools

Fusion 360

CNC / CAM

Injection moulding

Overmoulding

Vacuum encapsulation

OpenFOAM

Soldering

Python

Job description

Hydromea, a Swiss deep-tech firm in Renens, seeks a Mechatronics Engineer - Technical Lead for its DISKDRIVE underwater thruster. You’ll own mechanical/electromechanical design from concept through to volume manufacturing and coordinate external consultancies to deliver a coherent, manufacturable solution.

You will lead test campaigns and document designs, ensuring performance in harsh subsea conditions, while collaborating with customers for successful integrations.