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Network Security Architect

1.00 to 10.00 Years   Noida   17 Jul, 2026
NTECH IT SOLUTIONS PRIVATE LIMITED
Job LocationNoida
EducationNot Mentioned
SalaryNot Disclosed
IndustryIT Services & Consulting
Functional AreaNetworking
EmploymentTypeFull-time

Job Description

    Role Descriptions: Architecture & StrategyDefine and govern OT network architecture standards across manufacturing environmentsDevelop reference architectures for segmentation| secure access| and connectivity patterns across sitesEstablish architecture for zones| and microsegmentation aligned to Zero TrustDefine long-term architecture roadmap for OT network and security capabilities________________________________________Segmentation| Identity & Secure Access ArchitectureDefine architecture for OT segmentation using Dynamic VLANs| firewalls| DMZs| and identity-aware controlsEstablish patterns for role-based access| certificate-based authentication| and secure remote/vendor connectivityDefine and govern authentication traffic flows (Kerberos| LDAP| DNS| RADIUS) between OT environments and identity servicesEnsure authentication design supports reliability| low latency| and secure communication across regions and sitesEstablish architectural standards for identity service integration (AD| NAC| certificate services) within OT environmentsArchitect solutions that reduce lateral movement and enforce restricted| explicitly permitted communication paths________________________________________Active Directory & Identity IntegrationPartner with Active Directory team to define architecture for a segmented AD environment (Tier 0 / Tier 1 / Tier 2)Define connectivity and access models between OT systems and identity servicesEstablish architecture for domain controller access patterns| identity boundaries| and privileged access enforcementEnsure alignment of network segmentation with identity-based access and Zero Trust principles________________________________________Cross-Team Architecture LeadershipPartner with Network| OT| Cybersecurity| and AD teams to align architecture decisions and prioritiesProvide architectural direction to engineers and delivery teams implementing OT network solutionsLead resolution of complex cross-domain issues involving network| identity| and security dependenciesDrive consistency across global site implementations________________________________________Standards| Governance & LifecycleDefine and maintain architecture standards| design patterns| and decision frameworksEnsure alignment with applicable frameworks (e.g.| Zero Trust| NIST| IEC 62443)Review and approve designs for alignment to segmentation| identity| and security architectureSupport technology selection for network| NAC| firewall| and OT security platforms________________________________________Program & Site EnablementTranslate architecture into deployable standards and implementation guidanceSupport site design and readiness activities to ensure alignment with enterprise OT architectureProvide architectural guidance to programs involving segmentation| NAC| and AD integrationIdentify and mitigate architectural risks across OT deploymentsEssential Skills: OT Network ArchitectDesirable Skills:Keyword:Skills: EIS : Network Engineer

Keyskills :
network architecturenetwork engineering

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