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Cisco security expert

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HCL Tech is a global technology company, spread across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. We are powered by our people a global, diverse, multi-generational talent - representing 161 nationalities whose unique spark, perspective and boundless passion drive our culture of proactive value creation and problem-solving.

Our purpose is to bring together the best of technology and our people to supercharge progress for everyone, everywhere our clients, partners, their stakeholders, communities, and the planet. As a company, we are deeply focused on accelerating our ESG agenda. We are also creating technology-enabled sustainable solutions with and for our clients and partners. We embed ESG imperatives into every aspect of our business and ensure that the progress we supercharge is responsible, inclusive and beneficial to all our stakeholders in the long term. We have committed to achieving net zero by 2040.

Localisation:Paris, 3 jours/semaine – Travail sur site (chez le client)

Langue: Français + Anglais

Années d'expérience: Expérience totale : 5+ ans

Aperçu:

L'expert Cisco Ironport & Messaging Ecosystem est responsable de la conception, de la mise en œuvre et du support d'infrastructures de messagerie sécurisées et évolutives. Le rôle inclut l'architecture technique, l'administration, l'automatisation, la gestion des incidents et l'amélioration continue pour les environnements de messagerie à grande échelle.

Responsabilités:

  • Définir les architectures techniques pour la messagerie (HLD, LLD)
  • Proposer et mettre en œuvre des solutions techniques pour l'infrastructure de messagerie
  • Procédures opérationnelles et documentation provisoires
  • Optimiser les actions d'administration et de surveillance
  • Maintenir la cohérence des infrastructures, gérer la capacité et les besoins en évolution
  • Gérer les incidents et les changements, fournir un soutien de niveau 3 aux régions internationales
  • Gestion du changement des prospects et transfert de connaissances
  • Développer des scripts pour les opérations et l'automatisation
  • Gérer et faire évoluer les systèmes de synchronisation d'adresses adresses)
  • Soutenir l'intégration des entités et filiales dans l'infrastructure centrale (50+ pays)

Compétences obligatoires:

  • Cisco ESA Ironport
  • Routage SMTP
  • Protocoles de sécurité des e-mails (DMARC, DKIM, SPF, S/MIME)
  • IIS
  • Scripts PowerShell

Compétences appréciées:

  • Expérience avec la méthodologie SandBoxing
  • Expérience avec des environnements de messagerie à grande échelle
  • Documentation technique et architecture
  • Automatisation et amélioration des processus
  • Gestion des incidents et du changement
  • Collaboration avec des équipes internationales