Welcome in our universe of expertise and passion !

Discover the group

years of expertise and development of a true EXPERTISE


sites on the international stage

17 jobs available join us!

Our sectors of activity

SEIMAF is committed to meeting your needs whatever your sector of activity

SEIMAF is recruiting

Get in the Seimaf spirit !

Jean Pierre

Technical Director, Engineering

My role is to develop the service concept with production and project staff by making the most of my responsiveness, expertise and ability to listen to our clients’ requirements.
I am responsible for guaranteeing the performance, reliability and consistency of all the studies entrusted to us.
Thanks to my passion for my work, today, I pass on my know-how to young graduates joining SEIMAF, so that they are able, in turn, to make progress in our exciting sector.


Design Office Manager, Mechanical Activities (Le Plessis-Robinson)

Our teams work on various mechanical engineering projects, involving production lines, specific tooling, equipment, etc. for different clients in industrial sectors. Today, the entire team contributes enthusiastically to all these projects.

With SEIMAF, make your ideas come to life

We regularly recruit talented individuals from the engineering and consulting sectors, with an appetite for success, dedication and good humour! Don't hesitate if you are serious, join us!

Your knowledge, our best asset

Our offers

Projeteur Tuyauterie H/F

Permanent contract - Full-time -
Energy, Environment, Industry

See offer

Layout & MEH CAD Designer

Permanent contract - Full-time -

See offer

Projeteur Mécanique H/F

Permanent contract - Full-time -

See offer
Discover all offers