Design Engineering Intern - Hydrogen Tech (3D CAD)

YES!Delft Students; Rotterdam; Hybrid; EUR 13,000 - 20,000; Full time

Job summary

Hymonic B.V. in Rotterdam seeks a motivated Design Engineering Intern to support detailed mechanical design of ammonia cracking systems. You will model a ceramic-metal composite reactor using Siemens NX and generate production-ready drawings and order documentation.

You will adapt geometries to vendor/manufacturing constraints, assist procurement, and gain hands-on experience designing first-of-a-kind hardware in the hydrogen economy, with direct impact from day one.

Qualifications

• Pursuing a Master’s degree in Mechanical or Aerospace Engineering.
• Strong experience with professional 3D CAD software (SolidWorks, CATIA, AutoCAD) and familiarity with Siemens NX.
• Exposure to ceramic or composite material systems is advantageous but not required.
• Hands-on, proactive attitude suited to a fast-paced startup environment.
• Fluency in English; Dutch or German are a plus.

Responsibilities

• 3D CAD modelling of a ceramic-metal composite reactor system based on an existing design concept, using Siemens NX.
• Adapting ceramic and metal component geometries to meet vendor and manufacturing constraints.
• Generating production-ready drawings, 3D models, and order documentation.
• Supporting procurement activities for engineered components

Skills

3D CAD modelling

Siemens NX

SolidWorks

CATIA

AutoCAD

Engineering CAD experience

Education

Master’s degree in Mechanical Engineering

Master’s degree in Aerospace Engineering

Tools

Siemens NX

Job description

Hymonic B.V. in Rotterdam seeks a motivated Design Engineering Intern to support detailed mechanical design of ammonia cracking systems. You will model a ceramic-metal composite reactor using Siemens NX and generate production-ready drawings and order documentation.

You will adapt geometries to vendor/manufacturing constraints, assist procurement, and gain hands-on experience designing first-of-a-kind hardware in the hydrogen economy, with direct impact from day one.