Network Engineer SME

6 days ago

Bengaluru, Karnataka, 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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