Marenium is taking one Erasmus+ trainee in naval architecture and marine engineering for an unpaid, full time internship of 3+ months in Tallinn, Estonia, with a flexible start date and an expected start on 01 February 2027. Applications close on 31 December 2026. At Youth Works Hub, we went through the full vacancy and set out the tasks, requirements and conditions below.
The Placement at a Glance
⚓ Role: Erasmus+ Trainee, Naval Architecture / Marine Engineering
🏢 Organisation: Marenium
📍 Location: Tallinn, Estonia (remote possible)
🗂️ Fields: Building and civil engineering, Physics, Motor vehicles, ships and aircraft, Mechanics and metal trades
🎓 Type: Traineeship (during studies), unpaid
🇪🇺 Programme: Erasmus+ traineeship
🚀 Expected starting date: 01 February 2027 (start date flexible)
⌛ Duration: 3+ months, full time
🕘 Hours per week: 40 hours
🗣️ Working language: English
⏳ Application deadline: 31 December 2026 (Brussels time)
About Marenium
Marenium belongs to the Architecture & Construction sector and is based in Tallinn, Estonia. The company was founded on a simple conviction: the next frontier for coastal development is not beside the water, but on it.
Marenium designs floating villas with an underwater bedroom for luxury resorts. The villas are built in modules and assembled on the water at the resort.
One Trainee for the Engineering Team
Marenium is taking one Erasmus+ trainee to work with its engineering team on the floating platform and structure of the villa.
The placement is based in Tallinn, Estonia, and the vacancy states that remote work is possible.
What You Will Do on the Floating Structure
The vacancy lists these tasks:
🌊 Support stability, buoyancy, weight and mooring work on a floating structure
📐 Assist with structural drawings, calculations and supplier documentation
🧪 Help test and improve the company's in-house parametric design tools
🤖 Learn to run engineering tasks with Claude and other AI tools (the company teaches this)
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Who Marenium Is Looking For
The vacancy describes the ideal trainee like this:
🎓 Student or recent graduate in naval architecture, marine engineering or structural engineering
📝 Eligible for an Erasmus+ traineeship grant, because the placement is unpaid and the grant is a requirement
🇪🇺 EU/EEA resident, or already holding the right to work in Estonia
🗣️ Comfortable working in English
🏙️ Able to work in Tallinn or remotely
An Unpaid Placement That Requires an Erasmus+ Grant
The placement is unpaid, so Marenium requires an Erasmus+ traineeship grant (or equivalent mobility funding) covering the whole period. Applicants must be eligible for such a grant.
Our guide on how funded traineeships really work explains the difference between an employer paid internship and an Erasmus+ funded one.
Visa and Work Authorization: EU/EEA Residents Only
Marenium is currently only able to host candidates who do not require an additional work visa, for example EU citizens or those with existing residency.
Applicants must be EU/EEA residents, or already hold the right to work in Estonia.
Level of Studies and Working Language
The placement is a traineeship during studies. The levels of studies named in the vacancy are:
📘 Bachelor (EQF 6)
🏫 Master (EQF 7)
🔬 Doctorate (EQF 8)
The working language is English, and the vacancy asks for candidates who are comfortable working in English.
Expected Skills and Tools
The vacancy lists these expected skills:
💻 Digital literacy, information skills and basic computer use
📊 Analysing and evaluating information and data
🖥️ Using computer aided design and drawing tools
🏗️ Designing structures or facilities
It also names the tools:
🌀 Ansys Fluent
✏️ AutoCAD (2D/3D Technical Drafting)
Basic CAD and calculation skills are expected.
Mentoring, Reviews and the Learning Agreement
Marenium signs the Learning Agreement and provides:
🧑🏫 A mentor
🔁 Regular reviews
📄 The documentation your university requires
No Prior AI Experience Needed
The company states that no prior AI experience is needed. It trains the trainee to use Claude and its own design tools.
Schedule, Hours and Work Setup
⌛ Duration: 3+ months, start date flexible
🕘 Schedule: Full time
⏱️ Hours per week: 40 hours
📚 Benefits: Learning courses and training assistance
🏡 Partial remote work
How to Apply
Applications are sent by email. Send your CV and portfolio to the application email listed in the Links section below.
Start Date, Period and Deadline in Order
📌 Applications close on 31 December 2026 (Brussels time)
🚀 The expected starting date is 01 February 2027, and the start date is flexible
⌛ The placement lasts 3+ months, full time
You can browse more placements like this one in the internships section of Youth Works Hub.
Frequently Asked Questions
Is the Marenium naval architecture traineeship paid?
No. The vacancy lists it as an unpaid traineeship, so an Erasmus+ traineeship grant (or equivalent mobility funding) covering the whole period is a requirement.
Where is the Marenium traineeship based?
It is based in Tallinn, Estonia, and the vacancy states that remote work is possible. Partial remote work is also listed as a benefit.
How long does the traineeship last?
The duration is 3+ months, full time, at 40 hours per week. The start date is flexible, with an expected starting date of 01 February 2027.
What will I do as a naval architecture trainee at Marenium?
You will support stability, buoyancy, weight and mooring work on a floating structure, assist with structural drawings, calculations and supplier documentation, and help test and improve the in-house parametric design tools. You will also learn to run engineering tasks with Claude and other AI tools.
Who can apply?
Students or recent graduates in naval architecture, marine engineering or structural engineering who are eligible for an Erasmus+ traineeship grant. Applicants must be EU/EEA residents or already hold the right to work in Estonia.
Which level of studies is required?
The vacancy names Bachelor (EQF 6), Master (EQF 7) and Doctorate (EQF 8).
Can I apply if I need a work visa?
No. Marenium is currently only able to host candidates who do not require an additional work visa, such as EU citizens or those with existing residency.
Do I need AI experience?
No. The company states that no prior AI experience is needed and trains the trainee to use Claude and its own design tools. Basic CAD and calculation skills are expected.
Which software is mentioned?
The vacancy names Ansys Fluent and AutoCAD (2D/3D Technical Drafting).
Does Marenium sign the Learning Agreement?
Yes. Marenium signs the Learning Agreement and provides a mentor, regular reviews and the documentation your university requires.
What is the application deadline?
Applications close on 31 December 2026 (Brussels time).
How do I apply?
Send your CV and portfolio by email to the application email listed in the Links section below.
Deadline
⏳ 31 December 2026
Links
📧 Application email (send your CV and portfolio): join@marenium.com
🏢 Marenium website: https://www.marenium.com/
