OUR AGENCY
Joining SII Ouest means thriving in a dynamic, human-scale agency where proximity meets friendliness and technology means expertise.
As a major player in the local ecosystem, we encourage technical exchanges and sharing. We are organisers, partners, and participants in tech events in the West. #BreizhCamp #24hducode #meetup
Our five sites have been renovated in recent years to offer functional and modern workspaces, designed to combine well-being and productivity. Moments of sharing, team meetings, after-work events, as well as sports and cultural associations, are an integral part of our DNA.
Let's meet... Let's Tech Together!
570
employees
5
locations
120
annual hires
92 job offers at our agency
cdi
Ingénieur d’intégration en production et d’exploitation F/H
Banque et Assurance
Le Mans
17 july 2026
Every employee is important to the success of SII Ouest. Our clients particularly appreciate our application and infrastructure expertise and our ability to handle projects from start to finish.
OUR LOCATIONS
Rennes : 3bis avenue de Belle Fontaine, 35510 Cesson-Sévigné -
+33 (0)2 99 12 57 10Lannion : 1 Rue Andrée Marie Ampère, 22300 Lannion -
+33 (0)2 96 48 63 85Brest : 200 Rue Benoîte Groult, 29490 Guipavas -
+33 (0)2 99 12 57 10Caen : 14 Rue Martin Luther King, 14280 Saint-Contest -
+33 (0)2 31 06 60 05Le Mans : 25 Bd Marie et Alexandre Oyon, 72100 Le Mans -
+33 (0)2 99 12 57 10
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