R&D Packaging & Industrialization Engineer Intern (French/ European students)

About Marou

Marou Faiseurs de Chocolat is one of the first Bean-to-Bar chocolate makers in Asia. Since 2011, we have been committed to Tasting Good and Doing Good. Marou is the dream child of two French men who made Vietnam their home, creating the purest terroir dark chocolate from 100% locally sourced ingredients in Southern Vietnam. With the traditional know-how of French chocolate makers, our vision is to become the #1 vertically integrated chocolate maker and retailer in Asia and the Pride of Vietnam, offering exceptional chocolate experiences. We are a values-based, purpose-driven company dedicated to crafting the finest award-winning artisanal chocolates from the best Vietnamese ingredients.

Based in Ho Chi Minh City, we are a multicultural team driven by innovation, striving to offer a unique sensory experience through every bar.

https://www.marouchocolate.com

Your Mission

Reporting directly to the Senior Product Manager, you will lead the strategic project: Tooling Development, Process Optimization & Global Compliance.

You will be at the heart of the action, collaborating closely with our designers (in-house & freelance), packaging specialists, the R&D team, and the Production team directly on the shop floor.

1. R&D: Industrial Design & Prototyping (40%)

CAD Design: Create 3D models (surface and solid) for new molds within the Trickno range across multiple formats.

Prototyping: Realize master molds and inserts via 3D printing and perform trials on our in-house thermoforming machine.

Polycarbonate Expertise: Develop final mold specifications, focusing on draft angles, surface finish, and release properties in real production conditions.

2. Industrialization & Shop Floor Optimization (30%)

Production Immersion: Work directly on the Trickno production line to identify bottlenecks and optimize process flow.

Flow Wrap Machine: Analyze performance, develop specific mechanical settings, and optimize the wrapping process (speed, sealing integrity, material waste reduction).

Continuous Improvement: Propose technical solutions to reduce material loss and improve operator ergonomics.

3. International Sourcing & Supply Chain (20%)

Supplier Management: Act as the technical point of contact for our mold manufacturers in Vietnam and Turkey.

Sourcing: Research and onboard new international suppliers (molds and packaging consumables) to increase our industrial agility.

4. Quality, Compliance & Eco-design (10%)

Food Contact Safety: Audit materials and verify compliance according to EU (EC 1935/2004) and US (FDA) standards.

Sustainability: Analyze recyclability and end-of-life cycles in line with the EU PPWR (Packaging and Packaging Waste Regulation) and French AGEC law.

Candidate Profile:

Master's degree student (or final year Bachelor's) in Packaging Engineering, Industrial Design Engineering, or Materials Science.

Technical Skills: Proficiency in CAD software (SolidWorks, Fusion 360). Strong interest in automation and mechanics (Flow Wrap). Knowledge of thermoforming processes.

Hands-on Mindset: You enjoy being on the production line, testing your designs, and interacting with operators.

Languages: Fluent English (C1 level) is mandatory.

Soft Skills: Solution-oriented mindset, high level of autonomy, and ability to communicate with diverse profiles (from creative designers to technical operators).

Life in Vietnam: Independence & Immersion

The position is based in Ho Chi Minh City. This internship requires high personal maturity:

Logistics: You will be responsible for your round-trip flights as well as finding and managing your own accommodation.

Terms:

Location: Thu Duc City, Ho Chi Minh City, Vietnam.

Duration: 4 to 6 months.

Working hours: Monday - Friday (9:00AM - 6:00PM)

Supervisor: Senior Product Manager.

The Highlight: A 360 mission, from the first 3D sketch to the finished product coming off the Flow Wrap machine.