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    Network Engineer - Bengaluru, India - Zensar Technologies

    Zensar Technologies
    Zensar Technologies Bengaluru, India

    Found in: Talent IN 2A C2 - 2 days ago

    Default job background
    Technology / Internet
    Description

    Role - Network Engineer - L2

    Experience: 5-8 YRS

    Location: Hyderabad,Bangalore,Pune and Kolkata - WFO

    Primary Skills -Core Networking (Cisco Routing & Switching, Meraki, Zscaler, and SD-WAN)

    Responsibilities-

    • Respond to network incidents and service requests within defined SLAs.
    • Perform initial triage and troubleshooting of network-related incidents.
    • Troubleshoot network issues related to Cisco Routing & Switching, Zscaler, Meraki, and SD-WAN technologies.
    • Analyze network performance metrics and logs to identify and resolve issues.
    • Configure and deploy Cisco routers and switches for LAN and WAN connectivity.
    • Implement VLANs, trunking, and inter-VLAN routing for network segmentation.
    • Deploy and maintain Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) solutions.
    • Assist in the deployment and management of SD-WAN and Meraki solutions, including vManage, vBond, and vSmart.
    • Assist in the implementation of network changes and updates following change management processes.
    • Document all changes made to network configurations and ensure compliance with company policies and procedures.
    • Design and implement complex Cisco Routing & Switching configurations, including dynamic routing protocols (OSPF, EIGRP, BGP).
    • Optimize network performance and reliability by fine-tuning routing protocols and QoS policies.
    • Design and implement advanced Zscaler security policies to protect against evolving threats.
    • Lead troubleshooting efforts for complex network issues, including packet captures and analysis.
    • Conduct root cause analysis (RCA) for recurring network incidents and implement preventive measures.
    • Provide mentorship and guidance to Level 1 support engineers on troubleshooting methodologies.
    • Conduct capacity planning assessments to ensure network scalability and performance.
    • Design and implement network architecture changes to support business requirements and growth.
    • Evaluate new technologies and make recommendations for network upgrades and enhancements.
    • Engage with vendors and third-party providers to resolve escalated network issues.
    • Manage vendor relationships and coordinate support activities for critical network components.
    • Participate in vendor evaluations and product selection processes for network infrastructure.

    Mandatory Skills-

    • Must have knowledge of Static Routing, EIGRP, OSPF, BGP, VLAN, VTP, Truck, inter VLAN, STP, MSTP, stacks, VSS, VPC, VDC. Experience with inter-company routing is preferred.
    • Hands-on working experience on Cisco Switches, 2950, 3750,3850, C9000 series Power Stacking, Data Stacking, HSRP, VRRP & GLBP.
    • Expert knowledge of protocols such as HTTP, SMBSMTP, FTP, DNS, TLS/SSL, TCP, etc.
    • Advanced knowledge of technologies like VPN, VXLAN, VRRP, HSRP, STP, Port channel, NetFlow, and stacking technologies.
    • Knowledge or experience with modern data center fabrics such as Nexus 9K using NDFC (DCNM), Arista VXLAN-BGP-EVPN, or Cisco ACI.
    • Working technical knowledge of network and security protocols (IPSEC VPN, QoS, SGT, SSL VPN, AAA, Dot1x, TustSec, NAT, etc).
    • Security Knowledge on Firewall (Cisco ASA, Fortinet, Palo Alto) & NAC(ISE).
    • Familiarity with collecting and analyzing packet captures using Network Protocol Analyzers such as TCPDUMP, and Wireshark on Network Security (SSL/TLS, VPNs, Firewall).
    • Familiar with Authentication systems such as LDAP, MS AD, SAML, & VPN technologies such as IPSEC and Remote access VPN.
    • Experience implementing Cisco Nexus 9K and Cisco Catalyst 9K switching.
    • Maintain, lead, and deploy fabric-enabled networks with Cisco DNAC.
    • Knowledge or experience with SD-WAN: - including vManage, vBond, vSmart. The role requires the ability to design, deploy, configure, and manage SD-WAN solutions, encompassing SD-WAN policies, templates, and orchestrators.
    • Execute end-to-end deployment of SD-WAN policies, templates, and orchestrators. QoS Implementation.
    • SD-WAN Design and Deployment: Design, implement, and manage SD-WAN solutions, covering components such as vManage, vBond, and vSmart.
    • Design, implement, and manage Cisco Meraki SD-WAN solutions
    • Expert in troubleshooting network issues and familiarity with the necessary tools such as Ping, Traceroute, MTR, NMAP, Telnet, NSLOOKUP etc.
    • Good experience working on SolarWinds NPM, NCM, IPAM, and syslog.
    • Knowledge or experience with the Zscaler ZIA portal. Creating Zscaler firewall control policy based on change requests.
    • Knowledge or experience with proxy services, particularly BlueCoat hardware and Zscaler cloud-based solutions (ZIA & ZPA), ZIA proxy policies like URL filtering, Malware and file control for users.
    • Strong analytical and problem-solving skills with the ability to quickly diagnose and resolve network issues.

    Desired skills and requirements:

    • Understanding of ITIL processes and methodologies.
    • Excellent communication & interpersonal skills.
    • Experience with ticketing tools – SNOW, etc.
    • 24x7 support
    • CCNA and CCNP Certification
    • Good to have Implementing Cisco SD-WAN Solutions Certification
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