2,133,549open jobs
135,056companies
250,644added this week
Browse all
Location
In office (Nantes)
Seniority
Senior · 5+ years exp
Visa
Sponsors visas in United States, United Kingdom, Netherlands; no register of this country names it

Confirmed on the employer's own hiring board on Nov 7, 2026. First seen by Alion on Nov 5, 2026. Wärtsilä scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Wärtsilä is a Finnish technology group headquartered in Helsinki that supplies engines, propulsion, power plant, energy storage and digital solutions, together with lifecycle services, to the marine and energy markets. Founded in 1834 and listed on Nasdaq Helsinki, it reports sales of about 6.9 billion euros and roughly 17,900 employees in 78 countries, with major engineering and production operations in Vaasa and service operations worldwide. It hires field service and commissioning engineers, mechanical and workshop technicians, test and documentation engineers, project and contract managers, sourcing and quality specialists and parts coordinators.
Backed by Clear Sky

Wärtsilä is a world leader in marine technology and leading the industry's transformation towards a decarbonised and sustainable future. With the world’s widest portfolio and service network, we - Wärtsilians - deliver efficient, safe and sustainable integrated products and solutions to enhance the business of our customers. The opportunities presented through digitalisation and new technologies are offering a new era of shipping. Did you know that shipping is the world’s most efficient mode of transportation and that 88% of the world's trade is carried by sea?

We want to change the course towards an interconnected and cleaner maritime future and are constantly on the lookout for future-oriented talent to join our team and to work towards enabling sustainable societies through innovation in technology and services - together. Are you ready to jump onboard?

We are looking for a Shipyard Site engineer for our team in Saint Nazaire

The site engineer is responsible for executing the operative activities related to commissioning according to the commissioning plan in close co-operation and under supervision of the Site manager. Our projects consist mainly of main engine, propulsion systems, environmental gas after treatment and gas integrated solution.

The site engineer is one of the main figures in the practical execution of all the activities foreseen for the completion of a commissioning by actively collaborating with the counterparts of the construction site.

What you will be doing :

- Execution of the assigned tasks related to the Commissioning responsibility matrix included Sea Trials

- Planning, practical execution and solution activities through the coordination of the internal organization of all non-conformities that may be found during commissioning

- Accompanying the acceptance of the commissioning of Wartsila machinery

- Diligent for the activity reporting and technical reporting

Who you are :

- Technical background (BSc/MSc in Engineering or equivalent field experience in marine sector)

- 2-5 years' experience of work in marine new built sector and proven communication skills

- Strong team working skills

- French language at good level

- Fluent in both spoken and written English

- Practical experience from yard or Marine installations, especially engines and systems, technical knowledge of propulsion and power production systems onboard marine and/or offshore installations will be considered as an add merit

Nous recherchons un Ingénieur Mécanique sur site pour notre équipe sur le chantier naval de Saint-Nazaire.

L'ingénieur de site est responsable de l'exécution des activités opérationnelles liées à la mise en service selon le plan de mise en service, en étroite coopération et sous la supervision du responsable de site. Nos projets concernent principalement les moteurs principaux, systèmes de propulsion, traitement des gaz environnementaux et solutions intégrées de gaz.

L'ingénieur de site est l'un des postes clés dans l'exécution pratique de toutes les activités prévues pour la mise en service en collaborant activement avec les homologues du chantier de construction.

Ce que vous ferez :

- Exécution des tâches assignées liées à la mise en service de nos moteurs dans les navires, y compris les essais en mer.

- Planification, et gestion de toutes les non-conformités qui peuvent être rencontrées lors de la mise en service.

- Accompagnement de la mise en service des moteurs Wartsila.

- Mise en place et maintien du reporting d'activité et du reporting technique.

Qui vous êtes :

- Formation technique (BSc/MSc en ingénierie ou expérience équivalente dans le secteur maritime).

- 2 à 5 ans d'expérience de travail dans le secteur de la construction navale et compétences en communication prouvées.

- Solides compétences en travail d'équipe.

- Niveau de français bon.

- Maîtrise de l'anglais parlé et écrit.

- Expérience pratique dans un chantier naval ou des installations maritimes, en particulier des moteurs et des systèmes, des connaissances techniques sur les systèmes de propulsion et de production d'énergie à bord d'installations maritimes et/ou offshore seront considérées comme un atout.

Last application date:

At Wärtsilä we value, respect and embrace all our differences, and are committed to diversity, inclusion and equal employment opportunities; everyone can be their true self and succeed based on their job-relevant merits and abilities.

Please note that according to Wärtsilä policy, voluntary consent for a security check may be required from candidates being considered for this position, depending on the applicable country.

This is Wärtsilä

Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. Our team of 18,300 professionals, in more than 230 locations in 77 countries, shape the decarbonisation transformation of our industries across the globe. Read more on www.wartsila.com.

#wärtsilämarine

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,133,549 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Recommended for you based on this role

Industrial Engineering
Similar stack
Same company
Nantes
In office · Full-Time · 5+ years exp · Bordeaux · Toulouse
Apply
In office · 5+ years exp · France
SQL
Databases
Oracle
DevOps
BGP
Life Sciences
LIMS
Apply
In office · Full-Time · 5+ years exp · Bagnols-sur-Cèze
Apply
In office · Full-Time · 10+ years exp · La Ferté-Saint-Aubin
Apply
Responsable HSE F/H 4 hours ago
In office · Full-Time · Bagnols-sur-Cèze
Apply
≈ $42k – $72k per year (Estimated) · In office · Bachelor's Degree · Surgères
MedTech
CAPA
Apply
≈ $39k – $68k per year (Estimated) · In office · Bachelor's Degree · Surgères
MedTech
CAPA
Apply
Shift Engineer 1 day ago
In office · Lahore
DevOps
Windows
Apply
Boiler Engineer 2 days ago
In office · 5+ years exp · Lahore
Apply
In office · Mauritania
Apply
In office · Internship · Nantes
Apply
In office · Full-Time · Nantes
Apply
In office · Internship · Nantes
Apply
Apply
$42k – $61k per year · Hybrid · Full-Time · Nantes
JavaScript
TypeScript
Node JS
Node JS
Prisma
Databases
DynamoDB
Frontend
Vue.js
Next.js
React.js
DevOps
AWS
AWS Lambda
API Gateway
Management
Scrum
Apply
See all jobs
This is one of many
2,133,549 more open roles from verified company boards, updated every day.