Network Engineer SME

5 days ago

Delhi, India Zensar Technologies Full time

Key ResponsibilitiesArchitecture & DesignLead the end-to-end architecture, design, and review of LAN/WAN networks for enterprise-scale deployments.Define and implement telecom infrastructure blueprints, including connectivity models, security policies, and vendor deliverables.Develop and validate network strategies supporting multi-cloud (Azure, AWS) and hybrid enterprise environments.Security & Firewall ExpertiseArchitect and manage large-scale deployments of firewalls (Palo Alto, Cisco ASA, Fortinet) to ensure robust perimeter and internal security.Define and review network security policies, segmentation strategies, and compliance requirements.Cloud & Enterprise SolutionsDesign and integrate cloud-based networking and security frameworks across Azure and AWS.Implement and optimize enterprise solutions such as SD-WAN, F5 Load Balancers, VPN, and traffic management platforms.Cisco InfrastructureExtensive experience designing, configuring, and managing Cisco routers and switches for enterprise and carrier-grade networks.Expertise in IP telephony, VoIP, and unified communications solutions using Cisco platforms.Conduct performance tuning, redundancy planning, and high availability designs for Cisco-based infrastructure.Vendor & Stakeholder ManagementCollaborate with telecom vendors and service providers to align architecture with project deliverables.Provide technical governance, review vendor proposals, and ensure alignment with enterprise standards.Act as a trusted advisor to senior stakeholders on network modernization, resilience, and scalability.Required Skills & ExperienceNetwork Security: Expert-level knowledge of firewalls (Palo Alto, Cisco, Fortinet) and advanced security design.LAN/WAN Architecture: Proven experience designing, reviewing, and optimizing large-scale enterprise and telecom networks.Cisco Expertise: Strong hands-on experience with Cisco routers, switches, and IP telephony/unified communications solutions.Telecom Infrastructure: Deep exposure to telecom-grade architecture, carrier-grade connectivity, and vendor collaboration.Cloud Platforms: Hands-on design and deployment experience on Azure and AWS networking services.Enterprise Solutions: Expertise in SD-WAN, F5 Load Balancer, VPN, MPLS, and advanced routing protocols.Stakeholder Engagement: Skilled in leading architecture discussions, vendor negotiations, and cross-functional collaboration.Preferred Qualifications12+ years of experience in network architecture & telecom infrastructure projects.Certifications such as CCNP/CCIE/CCDE (R&S, Collaboration, Security), Palo Alto PCNSE, Fortinet NSE,Strong knowledge of network automation, monitoring toolsAbility to translate business requirements into scalable, secure, and cost-effective network solutions.Key AttributesStrategic thinker with strong problem-solving skills.Excellent documentation and presentation abilities for executive-level communication.Ability to drive vendor accountability and ensure timely delivery of network components.Proactive in adopting emerging network technologies and best practices.

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