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 WorkingAbout 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.
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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.
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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.
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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
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









