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From the employer's careers site First seen 25 Oct 2026

Network Security Engineer

Cisco senior full-time

The employer hasn't listed a salary.

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Description

You will be part of a world-class Network Security team working on the latest security technologies and responsible for AI Agentic development of test workflows, system testing, product security testing, automation, and validation.

The Firewall team in India is looking for talented and motivated individuals who can work effectively in a team-oriented environment and lead/contribute to the development and test of next-generation firewall technologies.

Your Impact

  • Lead the design, deploy, and optimise enterprise Next-Generation Firewalls (NGFW) and cloud-native security services.
  • Provide escalation support, isolate network faults, and perform deep packet analysis and root cause analysis (RCA) during test executions.
  • Drive Agentic security autonomous flow and build framework using the latest AI technologies leveraging Python, REST APIs, or configuration automation tools.
  • Partner with various engineering teams to file critical software bugs and scope future product feature requests.

Minimum Qualifications

  • Hands-on experience with LLMs (GPT, Claude) for test automation
  • Familiarity with Python-based AI libraries and REST API integrations
  • Knowledge of Docker/Containers
  • Deep mastery and hands-on experiences of TCP/IP, BGP, OSPF, IPSec, SSL-VPN, NAT, and DNS/DHCP.
  • Practical knowledge of public cloud environments (AWS, Azure, GCP) and containerization/hypervisors (Docker, Kubernetes, VMware ESXi).
  • Working experience and well-versed with Host (Linux/Windows) Tools and Traffic Generators to replicate client production environments, stress-test firewall capabilities, validate Firewall functionalities and find network anomalies.
  • Industry credentials such as the CCNP/CCIE are strongly preferred with practical knowledge.

Preferred Qualifications

  • Strong ability to troubleshoot complex application, OS, networking, and platform issues and drive them to root cause.
  • Hands-on experience building AI/LLM-based workflows for test generation, failure triage, debugging, log analysis, and engineering productivity.
  • Ability to independently lead complex technical initiatives, drive design reviews, and influence cross-functional teams.
  • Ability to translate customer and field issues into product-quality improvements and proactively identify production risks.
  • Strong communication skills to clearly articulate technical risks, trade-offs, quality metrics, and recommendations to engineering stakeholders.

Skills

Required

Nice to have

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