Expert CCIE Architecte Réseaux F/H

Posted 2 Days Ago
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Paris, Île-de-France, FRA
In-Office
Expert/Leader
Information Technology • Business Intelligence • Consulting
The Role
Designs and implements complex network and security architectures across LAN, WAN, datacenter, SD-WAN, hybrid, and cloud environments. Produces HLD/LLD documentation, conducts infrastructure audits, leads critical multi-site technical projects, and provides N3/N4 escalation support. The role defines network security policies, manages VPNs and segmentation, supports presales activities, advises strategic clients, and mentors technical teams. Requires advanced expertise with Cisco, Palo Alto Networks, F5 BIG-IP LTM, and Cisco Catalyst Center, plus CCIE certification.
Summary Generated by Built In

Make an impact with NTT DATA
Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.

Architecture Reseau et Seurité L4

  • Concevoir des architectures réseau et sécurité complexes (LAN, WAN, DC, SD-WAN, Sécurité)

  • Rédiger et maintenir la documentation HLD / LLD (design, matrices de flux, schémas, procédures)

  • Participer aux choix technologiques et aux revues d’architecture

  • Réaliser des audits d’infrastructures et proposer des plans d’amélioration

Implémentation & Déploiement

  • Déployer et intégrer des solutions réseau et sécurité de bout en bout

  • Piloter des projets techniques à forte valeur ajoutée (multi-sites, environnements critiques)

  • Assurer l’intégration avec les environnements existants (on‑prem, hybride, cloud)

Exploitation & Expertise

  • Intervenir en support N3/N4 sur des incidents complexes

  • Être le point d’escalade technique pour les équipes opérationnelles

  • Garantir la disponibilité, la performance et la sécurité des infrastructures

Sécurité & Conformité

  • Définir et implémenter les politiques de sécurité réseau

  • Gérer les flux, VPN, règles de sécurité et mécanismes de segmentation

  • Contribuer aux démarches de sécurité by design

Avant-vente & Conseil (selon contexte)

  • Support aux équipes avant-vente (RFP/RFI, soutenances techniques)

  • Participation aux comités techniques clients

  • Rôle de conseiller expert auprès des clients stratégiques

Compétences techniques requises

Réseau

  • Architectures LAN / WAN / Datacenter

  • SD-WAN (design, déploiement, exploitation)

  • Routage avancé : BGP, OSPF

  • Haute disponibilité, redondance, QoS

Sécurité

  • Palo Alto Networks (firewalls, politiques de sécurité, VPN)

  • Segmentation réseau, filtrage, sécurisation des flux

  • Intégration sécurité dans les architectures globales

Load Balancing

  • F5 BIG-IP LTM

    • Virtual Servers, Pools, iRules (niveau avancé)

    • Haute disponibilité et performances applicatives

Solutions & Outils

  • Cisco Catalyst Center (DNA Center)

    • Automatisation, assurance réseau, gestion du lifecycle

  • Environnements hybrides et multi‑sites

Certifications

  • Nécéssaire: CCIE

  • Appréciés:
    • Palo Alto (PCNSE)

    • F5 LTM Certified (CA/CTS)

    • Cisco complémentaires (SD-WAN, Security)

Profil recherché

  • Ingénieur diplômé (Bac+5 ou équivalent)

  • Expérience significative (8–10 ans minimum) en réseaux & sécurité

  • Capacité à travailler sur des environnements critiques et complexes

  • Forte capacité d’analyse, d’autonomie et de prise de décision

  • Excellentes compétences rédactionnelles (documents d’architecture)

  • Français courant, anglais professionnel requis

Soft Skills

  • Leadership technique et rôle de mentor

  • Sens du service client et posture de consultant

  • Capacité à vulgariser des sujets complexes

  • Rigueur, méthode et esprit de synthèse

Évolution possible

  • Architecte Réseau & Sécurité

  • Lead Technique / Référent d’offre

  • Manager technique ou Practice Leader

Workplace type:

Hybrid Working

About NTT DATA
NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune

Global 100. We are committed to accelerating client success and positively impacting society through

responsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with

unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and

application services. Our consulting and industry solutions help organizations and society move

confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more

than 70 countries. We also offer clients access to a robust ecosystem of innovation centers as well as

established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each

year in R&D.


Equal Opportunity Employer
NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.


Third parties fraudulently posing as NTT DATA recruiters 

NTT DATA recruiters will never ask job seekers or candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties who may attempt to impersonate NTT DATA recruiters whether in writing or by phone in order to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will come from an @nttdata.com email address. If you suspect any fraudulent activity, please contact us.

Skills Required

  • Engineering degree at Bac+5 level or equivalent
  • CCIE certification
  • 8–10 years minimum of experience in network and security engineering
  • Experience working in critical and complex environments
  • Advanced LAN, WAN, and datacenter architecture expertise
  • SD-WAN design, deployment, and operations experience
  • Advanced BGP and OSPF routing expertise
  • Palo Alto Networks firewall, security policy, and VPN expertise
  • F5 BIG-IP LTM expertise, including Virtual Servers, Pools, and iRules
  • Cisco Catalyst Center or DNA Center expertise
  • Fluent French
  • Professional English
  • Palo Alto PCNSE certification
  • F5 LTM Certified CA/CTS certification
  • Additional Cisco SD-WAN or Security certifications

NTT DATA Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about NTT DATA and has not been reviewed or approved by NTT DATA.

  • Fair & Transparent Compensation Feedback suggests salary bands and grades are clearly defined, making ranges and promotion criteria easier to understand. Standardized HR processes provide visibility into levels across common delivery roles.
  • Healthcare Strength Feedback suggests the package includes comprehensive medical, dental, and vision options with HSA/FSA eligibility. Global materials emphasize comprehensive insurance and wellbeing as baseline offerings across regions.
  • Wellbeing & Lifestyle Benefits Flexible work options, including remote/hybrid arrangements, are highlighted as core benefits and can support work–life balance. Some delivery teams report more manageable hours than strategy consultancies, improving perceived value for time.

NTT DATA Insights

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The Company
HQ: Tokyo
55,092 Employees
Year Founded: 1988

What We Do

NTT DATA, Inc. is a trusted global innovator of business and technology services. We're committed to helping clients innovate, optimize and transform for long-term success. Our R&D investments help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure, and connectivity

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