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Company · IT services & consulting

Groupe Trèfle

As of 4 November 2026, Groupe Trèfle has 48 open roles (21 new in 30 days), its it operations & business systems team is hiring most, and its postings name sectigo, Google Cloud and Amazon Web Services as the tools the team works in.

As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

Boulogne-Billancourt, France51-200 employees10M-50M revenue, est.B2Bgroupetrefle.com ↗LinkedIn ↗
Headquarters
Boulogne-Billancourt, Île-de-France, France
Employees
51-200 employees (linkedin)
Sells to
large industrial and technological projects, industrial and technological projects, large corporations
Certifications on site
ecovadis, ISO 27001
Site languages
FR
Career system
Magnet
48open roles · 21 new in 30 days
14tools named in postings
Belgium, France, Saudi Arabiahiring locations
0change signals read in postings
02What they do, whom they sell to, who else does it

Groupe Trèfle in one screen

Read from groupetrefle.com: what the company does, the customers it names, the buyers we can actually see, and the companies that sell the same thing.

What Groupe Trèfle does

Groupe Trèfle is a service group that provides technical assistance, project management, cybersecurity, telecommunications engineering, industrial automation and custom applications for large industrial and technological projects. Its offerings include custom applications, telecoms deployment and maintenance, IT infrastructure hardening, cost and schedule management, and service center projects. The group operates through multiple subsidiaries across several countries.

custom applicationstelecoms deployment and maintenancecybersecurity infrastructure hardeningproject cost and schedule managementindustrial automation systemsservice center projectsfixed-price projects
Whom it sells to

Named on the site: large industrial and technological projects, industrial and technological projects, large corporations.

Who else sells this

Nearest companies by what they do, sell and whom they serve, 51+ employees. 598 scored.

Groupe HervéFrance · 201-500 employeesRhôn'TelecomFrance · 1001-5000 employeesTRCSpain · 201-500 employeesDefi GroupeFrance · 51-200 employeesSFR BusinessFrance · 1001-5000 employeesTE GROUPTG · 51-200 employees
03Tech stack, with the evidence

What Groupe Trèfle says it runs

Tools named in the company's own postings as the team's systems, with the sentence that says so. What the website and DNS show is listed separately.

sectigohigh confidence · 1 posting
Gestion de la PKI et des certificats (Sectigo)
Ingénieur Run Sécurité / SecOps - Maintien en Condition de Sécurité (MCS) · first seen 2026-10-29
Google CloudIT operations & business systems · medium confidence · 6 postings
• Contribuer à la sécurisation des architectures multicloud, incluant les environnements AWS, GCP, Cloud privé et Cloud de confiance, en veillant à la gestion des identités, au chiffrement, à la segmentation et au moindre privilège.
Expert Cybersécurité IT Industriel - Énergie & Nucléaire · first seen 2026-09-28
Amazon Web ServicesIT operations & business systems · medium confidence · 4 postings
• Contribuer à la sécurisation des architectures multicloud, incluant les environnements AWS, GCP, Cloud privé et Cloud de confiance, en veillant à la gestion des identités, au chiffrement, à la segmentation et au moindre privilège.
Expert Cybersécurité IT Industriel - Énergie & Nucléaire · first seen 2026-10-20
JiraIT operations & business systems · medium confidence · 4 postings
• Produire les indicateurs de sécurité et assurer le suivi des plans d’action dans Jira.
Référent(e) Cybersécurité Développement Agile · first seen 2026-10-20
OpenShiftIT operations & business systems · medium confidence · 4 postings
• Accompagner la sécurisation des architectures Cloud natives reposant sur AWS, GCP, Kubernetes et OpenShift.
Référent(e) Cybersécurité Développement Agile · first seen 2026-10-06
LinuxIT operations & business systems · medium confidence · 5 postings
Administration systèmes : installer, configurer et administrer les serveurs physiques et virtuels sous Linux et Windows, gérer les ressources systèmes et les comptes utilisateurs via LDAP.
Ingénieur Système Linux - DevSecops · first seen 2026-09-23
Microsoft AzureIT operations & business systems · medium confidence · 4 postings
• Azure / GCP et outils de sécurisation du cloud et des API
Ingénieur Sécurité Opérationnelle - Janvier 2027 · first seen 2026-09-23
OpenStackmedium confidence · 4 postings
Gestion des environnements virtualisés et Cloud : administrer les machines virtuelles sous VMware et contribuer à l’intégration et à l’exploitation des infrastructures OpenStack et OpenShift.
Ingénieur Système Linux - DevSecops · first seen 2026-09-29
ConfluenceIT operations & business systems · medium confidence · 3 postings
Environnement technique : AWS, GCP, S3NS, BLEU, GitLab CI, Terraform, SAST/SCA, Wiz, Jira et Confluence.
Référent Cybersécurité Cloud · first seen 2026-10-20
GitLab CI/CDIT operations & business systems · medium confidence · 3 postings
Environnement technique : AWS, GCP, S3NS, BLEU, GitLab CI, Terraform, SAST/SCA, Wiz, Jira et Confluence.
Référent Cybersécurité Cloud · first seen 2026-10-20
KubernetesIT operations & business systems · medium confidence · 5 postings
• Accompagner la sécurisation des architectures Cloud natives reposant sur AWS, GCP, Kubernetes et OpenShift.
Référent(e) Cybersécurité Développement Agile · first seen 2026-09-21
Ansiblemedium confidence · 4 postings
Automatisation et industrialisation : développer et maintenir les outils d’exploitation, automatiser les tâches récurrentes et contribuer aux déploiements via Ansible et les outils de gestion de versions.
Ingénieur Système Linux - DevSecops · first seen 2026-09-23
Microsoft WindowsIT operations & business systems · medium confidence · 3 postings
Administration systèmes : installer, configurer et administrer les serveurs physiques et virtuels sous Linux et Windows, gérer les ressources systèmes et les comptes utilisateurs via LDAP.
Ingénieur Système Linux - DevSecops · first seen 2026-10-01
VMwareIT operations & business systems · medium confidence · 3 postings
Gestion des environnements virtualisés et Cloud : administrer les machines virtuelles sous VMware et contribuer à l’intégration et à l’exploitation des infrastructures OpenStack et OpenShift.
Ingénieur Système Linux - DevSecops · first seen 2026-09-23
On the website or in DNS

Vendors whose code loads on groupetrefle.com or whose records sit in its DNS. Page plumbing (libraries, fonts, consent banners) is left out.

Brevoseen on groupetrefle.com
Microsoft 365seen on groupetrefle.com
microsoft_azureseen on groupetrefle.com
mistral_aiseen on groupetrefle.com
04Hiring

48 open roles, 45 opened in 90 days

Read hourly from the company's career system. Open roles and new roles in the last 30 days, by team. Companies hiring it operations & business systems in France →

Open roles by team
open · new 30 d
IT operations & business systems
14 · 11
Engineering (non-software)
12 · 2
Product, program & project management
5 · 1
Quality, safety & environment
3 · 0
Software engineering
3 · 2
Construction and civil
2 · 1
Skilled trades and field service
2 · 2
Data & AI
0 · 0
Newest postings
05Signals

What is changing, read from the postings

Intents are events the employer states about itself, each with the sentence and the posting it came from.

No change signals read in the current postings.

Decision makers at Groupe Trèfle, with verified e-mails, and every change the moment it is posted.

Sales, marketing and IT leaders by function. Add Groupe Trèfle to a monitor and get a webhook when a role opens, a tool appears or a signal is read.

Start free, no card. The first 20 are above; e-mails are verified at the mail server when you open them.

06Lookalikes

Companies like Groupe Trèfle

Nearest by what they do, what they sell and whom they sell to, 51+ employees. 6 of 598 scored.

Groupe HervéGrid & substation contractors · France201-500 employees
Rhôn'TelecomIt & telecoms provider · France1001-5000 employees
TRCIT services & consulting · Spain201-500 employees
Defi GroupeFreight forwarding & logistics · France51-200 employees
SFR BusinessIt & telecoms provider · France1001-5000 employees
TE GROUPGrid & substation contractors · TG51-200 employees
07Profile

From the company's own website

Legal namePOLITIQUE DE CONFIDENTIALITÉ ET
IndustryTechnology & software · IT services & consulting
Offeringscustom applications · telecoms deployment and maintenance · cybersecurity infrastructure hardening · project cost and schedule management · industrial automation systems · service center projects · fixed-price projects
Target customerslarge industrial and technological projects · industrial and technological projects · large corporations
Geographic scopeinternational · also Switzerland
Reviews found
Public contact points1 role addresses · 1 phone numbers
Pages readprivacy, terms, home, contact, careers, references, about, certifications
Datescrawled 2026-08-07 · profiled 2026-08-16 · hiring built 2026-11-03
Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

Groupe Trèfle (Boulogne-Billancourt, France, 51-200 employees) has 48 open roles, 21 new in 30 days, and names 14 tools in its postings. (Breaknorm, 4 November 2026, https://breaknorm.co/company/groupetrefle.com)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • ProfileBuilt from groupetrefle.com: summary, offerings, customers, certifications and contact points are extracted from its pages, with a confidence score per field.
  • HiringRead hourly from the company's Magnet career site; reposts collapse into one record.
  • Tech stackTools the employer's own text names as the team's systems, with the quote; website scripts counted separately.
  • HeadcountLinkedIn where known, otherwise estimated from the site.
FAQ

Groupe Trèfle: questions

Does Groupe Trèfle use sectigo?

Yes, by the company's own words: 1 posting name it, first seen 2026-10-29, in the team.

Is Groupe Trèfle hiring?

48 open roles as of 4 November 2026, 21 opened in the last 30 days and 6 closed. The largest team hiring is it operations & business systems.

Where does this profile come from?

From groupetrefle.com itself: we crawled it on 2026-08-07, built the profile on 2026-08-16, and read its career site (Magnet) hourly since. Headcount is from LinkedIn.

Who should I write to at Groupe Trèfle?

The people are behind the login: decision makers by function, verified at the mail server when you open them. 1 public role addresses from the site are there too.

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