Network Engineer SME

1 week ago

Delhi, 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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