Network Engineer SME

1 week ago

India Zensar Technologies Full time

Key Responsibilities Architecture & Design Lead 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 Expertise Architect 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 Solutions Design 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 Infrastructure Extensive 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 Management Collaborate 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 & Experience Network 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 Qualifications 12+ 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 tools Ability to translate business requirements into scalable, secure, and cost-effective network solutions. Key Attributes Strategic 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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