AeroLeads people directory · profile
Guillaume Vannier Email & Phone Number
Global Infrastructure and Operation Lead
at
Sebia
1 work email found
@laposte.net
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 100%
Current company
Role
Global Infrastructure and Operation Lead
Location
Saint-Michel-Sur-Orge, ÎLe-De-France, France
Company size
Who is Guillaume Vannier? Overview
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Quick answer
Guillaume Vannier is listed as Global Infrastructure and Operation Lead at Sebia, a with 569 employees, based in Saint-Michel-Sur-Orge, ÎLe-De-France, France. AeroLeads shows a work email signal at laposte.net and a matched LinkedIn profile for Guillaume Vannier.
Guillaume Vannier previously worked as Global Infrastructure & Operation Lead at Sebia and Responsable infrastructure at Thales. Guillaume Vannier holds Bts, Informatique Industrielle from Ectei.
Company email context
Email format at Sebia
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gvannier@laposte.net
76% confidence
AeroLeads found 1 current-domain work email signal for Guillaume Vannier. Compare company email patterns before reaching out.
Profile bio
About Guillaume Vannier
Plus de 20 ans d'expérience à accompagner différentes entreprises dans leur croissance.Ma curiosité et ma logique sont des atouts de tous les jours dans mon travail.
Listed skills include Serveurs, Active Directory, Cloud Computing, Firewalls, and 9 others.
Current workplace
Guillaume Vannier's current company
Company context helps verify the profile and gives searchers a useful next step.
Sebia
6 roles
Guillaume Vannier work experience
A career timeline built from the work history available for this profile.
Global Infrastructure & Operation Lead
Current
May 2024 - Present
Responsable Infrastructure
Apr 2023 - May 2024
Responsable Des Technologies De L’Information
Accompagnement des 250 collaborateurs du groupe IJNext répartis sur les2 sitesGestion d’une équipe de 4 collaborateursCréation des stratégies IT en relation avec les directionsSuivi de la qualité (MCO, ITSM)Suivi du budgetExternalisation des systèmes vers un fournisseur d'infrastructureMise en place des outils IT : Supervision, ITSM, CMDBMise en place d'une démarche ISO 27001:2013Gestion des déménagementsDéploiement des projets clients hébergés en interneCréation des silos réseaux : VLAN, Firewall, NAT, VPNDéploiement des outils de gestion : Rebond, Syslog
Jan 2018 - Apr 2023
Responsable Systèmes & Réseaux
Gestion de l'architecture du groupe SIFA à travers le monde (25 sitesenviron) :- Construction d'une réseau maillé s'appuyant sur du MPLS et destunnels IPSEC- Priorisation des flux- Téléphonie IP- Refonte de l'Active Directory- Externalisation vers AWS- Passage des applications en mode publiée (TSE)Développement de l'extranet client en PHPDéveloppement de l'ERP sous Windev :- Recueils des besoins auprès des équipes métiers- Développement des modules- Test de charges et Validation des règles métiersChefferie de projetGestion de l'équipe de support utilisateur :- 2 collaborateurs- Support 1 er niveau- Support sur l'applicatif métierGestion financière :- Suivi financier- Relation avec les fournisseurs
Jan 2002 - Jan 2018
Administrateur Systèmes Et Réseaux
Support aux utilisateursMise en place de l'infrastructure réseau entre 2 sitesEvolution des systèmes pour accompagner la croissance de la société
Oct 1999 - Nov 2001
Team & coworkers
Colleagues at Sebia
Other employees you can reach at sebia.com. View company contacts for 569 employees →
KL
Kim Labat
Colleague at SebiaNorcross, Georgia, United States
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AS
Aymen Salhi
Colleague at SebiaDubai, United Arab Emirates
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ZW
Zhigang Wan
Colleague at SebiaHuangpu District, Shanghai, China
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PG
Panagiotis Grypiotis
Colleague at SebiaItaly
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VL
Virginie Langlais
Colleague at SebiaGreater Paris Metropolitan Region, France
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HR
Hémavathy Ramachandran
Colleague at SebiaGreater Paris Metropolitan Region, France
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DI
Damien Igrejas
Colleague at SebiaGreater Paris Metropolitan Region, France
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LC
Laura Cartier
Colleague at SebiaGreater Paris Metropolitan Region, France
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AN
Andra Nicola
Colleague at SebiaBucharest, Romania
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GN
Gabor Nemeth
Colleague at SebiaBudapest, Hungary
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Kim Labat
Colleague at SebiaNorcross, Georgia, United States
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AS
Aymen Salhi
Colleague at SebiaDubai, United Arab Emirates
View →
ZW
Zhigang Wan
Colleague at SebiaHuangpu District, Shanghai, China
View →
PG
Panagiotis Grypiotis
Colleague at SebiaItaly
View →
VL
Virginie Langlais
Colleague at SebiaGreater Paris Metropolitan Region, France
View →
HR
Hémavathy Ramachandran
Colleague at SebiaGreater Paris Metropolitan Region, France
View →
DI
Damien Igrejas
Colleague at SebiaGreater Paris Metropolitan Region, France
View →
LC
Laura Cartier
Colleague at SebiaGreater Paris Metropolitan Region, France
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AN
Andra Nicola
Colleague at SebiaBucharest, Romania
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GN
Gabor Nemeth
Colleague at SebiaBudapest, Hungary
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1 education record
Guillaume Vannier education
-
Ectei
FAQ
Frequently asked questions about Guillaume Vannier
Quick answers generated from the profile data available on this page.
What company does Guillaume Vannier work for?
Guillaume Vannier works for Sebia.
What is Guillaume Vannier's role at Sebia?
Guillaume Vannier is listed as Global Infrastructure and Operation Lead at Sebia.
What is Guillaume Vannier's email address?
AeroLeads has found 1 work email signal at @laposte.net for Guillaume Vannier at Sebia.
Where is Guillaume Vannier based?
Guillaume Vannier is based in Saint-Michel-Sur-Orge, ÎLe-De-France, France while working with Sebia.
What companies has Guillaume Vannier worked for?
Guillaume Vannier has worked for Sebia, Thales, Ijnext, Sifa, and Arisem.
Who are Guillaume Vannier's colleagues at Sebia?
Guillaume Vannier's colleagues at Sebia include Kim Labat, Aymen Salhi, Zhigang Wan, Panagiotis Grypiotis, and Virginie Langlais.
How can I contact Guillaume Vannier?
You can use AeroLeads to view verified contact signals for Guillaume Vannier at Sebia, including work email, phone, and LinkedIn data when available.
What schools did Guillaume Vannier attend?
Guillaume Vannier holds Bts, Informatique Industrielle from Ectei.
What skills is Guillaume Vannier known for?
Guillaume Vannier is listed with skills including Serveurs, Active Directory, Cloud Computing, Firewalls, Gestion De Projet, Management, Iis, and Dhcp.
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