Administrateur messagerie collaboratif (h/f) (cdi)

Depuis plus de vingt ans, Thales déploie de façon proactive une politique affirmée en matière de responsabilité d’entreprise fondée sur les standards internationaux les plus élevés. Celle ci est en parfait accord avec la raison d’être que l’entreprise a adoptée en 2020, Construisons ensemble un avenir de confiance.

À travers cette démarche, le Groupe répond aux demandes de ses clients, de ses collaborateurs, des investisseurs et des marchés financiers pour une entreprise toujours plus performante, innovante et consciente de ses responsabilités. Il s’inscrit également dans les évolutions actuelles structurantes de la société pour une relation plus transparente et de confiance entre les entreprises et l’ensemble de leurs parties prenantes.
Lieu : Elancourt, France

Construisons ensemble un avenir de confiance

Thales est un leader mondial des hautes technologies spécialisé dans trois secteurs d'activité : Défense & Sécurité, Aéronautique & Spatial, et Cyber & Digital. Il développe des produits et solutions qui contribuent à un monde plus sûr, plus respectueux de l'environnement et plus inclusif. Le Groupe investit près de 4 milliards d'euros par an en Recherche & Développement, notamment dans des domaines clés de l'innovation tels que l'IA, la cybersécurité, le quantique, les technologies du cloud et la 6G. Thales compte près de 81 000 collaborateurs dans 68 pays.

Nos engagements, vos avantages

* Une réussite portée par notre excellence technologique, votre expérience et notre ambition partagée
* Un package de rémunération attractif
* Un développement des compétences en continu : parcours de formation, académies et communautés internes
* Un environnement inclusif, bienveillant et respectant l'équilibre des collaborateurs
* Un engagement sociétal et environnemental reconnu

Votre quotidien

Au coeur de Saint Quentin en Yvelines, le site d'Elancourt est un des centres d'excellence technologique Thales les plus importants. La diversité et la technicité des systèmes et équipements mobilisent des savoir-faire dans plus de 80 métiers dans les solutions de défense, de sécurité de haute technologie et de services numériques.

QUI ETES-VOUS ?

Titulaire d'un BAC+2 à BAC+5 (École d'ingénieurs ou université avec spécialisation dans le domaine de l'informatique), vous avez déjà une première expérience significative dans le domaine de la messagerie. Pour ce poste, vous devez justifier des compétences suivantes:

- Maîtrise des solutions de messagerie end-user (Exchange 2003 jusque 2016, Lotus Domino)

- Maîtrise des solutions de sécurisation des flux de messagerie (Postfix, Puremessage, ...)

- Maîtrise des solutions de mobilité (Airwatch, MobileIron, Blackberry ...)

Les qualités requises pour réussir dans cette fonction sont votre rigueur et organisation, votre capacité à communiquer avec des interlocuteurs divers, votre adaptabilité et votre autonomie.

CE QUE NOUS POUVONS ACCOMPLIR ENSEMBLE :

Intégrer au sein des équipes Messagerie Collaboratif, vous interviendrez sur les activités de RUN et de BUILD (projet) en mettant à disposition notre expertise sur les technologies majeures du marché. En nous rejoignant, vous vous verrez confier les missions suivantes sur des environnements:

- Critiques, dont la disponibilité est un enjeu majeur

- Sécurisés, c'est notre différenciateur!

- En constante évolution, vos compétences techniques seront challengées à chaque nouveau projet!

- Industriels, la taille des plateformes que nous gérons requiert une industrialisation, des phases de conception jusqu'à l'exploitation

Thales, entreprise Handi-Engagée, reconnait tous les talents. La diversité est notre meilleur atout. Postulez et rejoignez nous !



Ingénieur Backbone Messagerie & Sécurité (H/F)

Contexte du poste

Nous recherchons un Ingénieur Backbone Messagerie spécialisé dans la sécurisation des flux de messagerie ?.
Ce poste va au-delà de l'administration classique : il s'inscrit au coeur des infrastructures critiques, avec une forte dimension backbone, sécurité et SecOps ?.

Vous interviendrez notamment sur des solutions telles que Cisco ESA, Cisco SMA et Fortimail, au sein d'environnements exigeants en termes de disponibilité, de sécurité et de conformité.
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Vos missions principales

Au sein des équipes Messagerie & Sécurité, vous participerez aux activités de RUN et BUILD, avec les responsabilités suivantes :

? Sécurité & conformité
* Concevoir et mettre en oeuvre les politiques de sécurité de l'information
* Définir et maintenir les procédures garantissant la conformité (normes, réglementations)
* Sensibiliser les utilisateurs afin de réduire les risques et surfaces d'attaque

? Maintien en condition opérationnelle (MCO)
* Déployer, configurer et maintenir les solutions de sécurité (messagerie et périmétriques)
* Assurer le bon fonctionnement des dispositifs de sécurité en production
* Gérer les évolutions et changements des solutions déployées
* Proposer des améliorations techniques pour renforcer la sécurité des SI

? Audit & gestion des risques
* Participer aux audits de sécurité et à l'identification des vulnérabilités
* Définir et suivre les plans de remédiation

? Gestion des incidents de sécurité
* Mettre en place des mécanismes de détection proactive
* Superviser et piloter la résolution des incidents de sécurité
* Contribuer à la gestion des incidents majeurs

? Sensibilisation & accompagnement
* Accompagner les utilisateurs et équipes IT sur les bonnes pratiques
* Promouvoir une culture sécurité au sein des environnements clients
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Votre profil

? Formation Bac+5 (informatique, réseaux, cybersécurité)
? Première expérience significative en messagerie et/ou sécurité (au moins 3 ans)

Compétences techniques

* Maîtrise des solutions de protection messagerie : Cisco ESA, Cisco SMA, Fortimail
* Bonne expertise en sécurisation des flux de messagerie
* Connaissance des environnements : Exchange (2003 à 2016), Lotus Domino
* Maîtrise d'outils comme Postfix, PureMessage
* Connaissances en mobilité (AirWatch, MobileIron, BlackBerry)
* Notions solides en systèmes et réseaux
* Connaissances en chiffrement
* Environnements Cisco IronPort, Secure Email, Cloud Gateway C600V
* Maîtrise des fondamentaux DNS / Bind

Soft skills

* Rigueur et sens de l'organisation
* Capacité à communiquer avec des interlocuteurs variés
* Autonomie et adaptabilité
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Synthèse du poste

En tant qu'Administrateur / Ingénieur SecOps en environnement infogéré, vous jouez un rôle clé dans :
* La conception et la mise en oeuvre des dispositifs de sécurité
* La protection des systèmes d'information contre les menaces
* L'évaluation des risques et la réponse aux incidents
* Le maintien d'un niveau de conformité des infrastructures

Vous évoluerez dans des environnements complexes, critiques et en constante évolution ?
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Pourquoi nous rejoindre ?

* Intervenir sur des infrastructures stratégiques
* Développer une expertise pointue en cybersécurité messagerie
* Travailler sur des technologies de pointe dans un contexte exigeant ?