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
79 job offers at our agency
Permanent contract
Business Analyst CRM Microsoft Dynamics 365 (F/H)
Banking & Insurance
Le Mans
10 september 2026
Permanent contract
Coordinateur Support IT / Pilotage des Services de Proximité Multisites (F/H)
Banking & Insurance
Chartres
10 september 2026
Permanent contract
Product Manager DATA / IA / Cloud / Cybersécurité (F/H)
Telecoms
Rennes
03 september 2026
Permanent contract
Ingénieur Electronique Embarquée (F/H)
Aeronautic, Space & Defense
Étrelles
31 august 2026
Permanent contract
Ingénieur Electronique Embarquée (F/H)
Aeronautic, Space & Defense
Laval
31 august 2026
Permanent contract
Ingénieur Electronique Embarquée (F/H)
Aeronautic, Space & Defense
Rennes
31 august 2026
Permanent contract
Développeur Mainframe COBOL Confirmé (H/F)
Banking & Insurance
Vannes
28 august 2026
Permanent contract
Ingénieur Automatisation de Tests (F/H)
Banking & Insurance
Rennes
28 august 2026
Permanent contract
Développeur Fullstack Java / VueJS (H/F)
Banking & Insurance
Brest
27 august 2026
Permanent contract
Ingénieur Intégration Validation (F/H)
Aeronautic, Space & Defense
Cherbourg
18 august 2026
Permanent contract
Développeur Application Web – Expert Angular H/F
Banking & Insurance
Le Mans
24 july 2026
Permanent contract
Ingénieur d’intégration en production et d’exploitation F/H
Banking & Insurance
Le Mans
17 july 2026
Permanent contract
Consultant en Conduite du Changement F/H
Banking & Insurance
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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