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3rd Line Network Security Engineer

India, Ahmedabad · Job Posted January 02, 2026
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Job Description

To manage and own support tickets in relation to existing customer services; To design and implement changes as per client’s requirements; To work closely with the 2nd Line Service Desk team and the Solution Delivery team to assist in supporting customers and configuration tasks

Job Responsibility

  • Regular communication verbally and written with existing customers
  • Provide 3rd Line support for incoming customer support queries and escalations from the 2nd Line Service Desk
  • To take ownership and effectively manage support tickets for incidents, changes, and service requests
  • To plan and complete projects as assigned to you by the Head of 3rd Line Network Support
  • Documentation of customer solutions – CMDB, Visio documentation, technical summary write-up
  • DR/Failover Testing
  • To provide support and mentoring to 2nd Line engineers
  • Provide resources to the solution delivery team in supporting the configuration and implementation of new customer projects

Requirements

  • Demonstrable knowledge at CCNP (ENT/DC/SP/SEC) or JNCIP-ENT level
  • In-depth knowledge of configuring and troubleshooting network security devices/protocols
  • Ability to troubleshoot and isolate faults to identify root cause and bring to resolution
  • Advanced knowledge of layer 2 and 3 protocols
  • Experience using at least one of the following firewalls: Palo Alto, FortiGate, Cisco ASA. This should include experience of configuring and troubleshooting access lists, NAT, IPSec, and SSL VPNs
  • Strong knowledge of OSPF and BGP in an ISP environment
  • Proficient in packet capture and interpretation
  • Familiarity with Cloud products such as Azure / Amazon AWS
  • Experience working within a Managed Service Provider Environment
  • Minimum Basic experience with network automation/programming such as Ansible/Python

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