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Tata Consultancy Services

Posted 13 Sep 2026

Security LLD Specialist

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Team
TECHNOLOGY
Posted
13 Sep 2026

About the role

Security LLD Specialist (Firewalls/LB)

Experience: 8-12 Years
Location: Hyderabad, Bangalore, Chennai, Kolkata, Delhi NCR
Job Summary

We are looking for an experienced Security LLD Specialist (Firewalls/LB) with expertise in designing Low-Level Designs (LLDs) for firewall and load balancer environments. The role involves security design, segmentation, NAT policy modeling, HA design, and ensuring compliance with enterprise security standards.

Key Skills
  • Fortinet, Check Point, Palo Alto Firewalls
  • F5 Load Balancer
  • Low-Level Design (LLD)
  • Network Segmentation & Security Zoning
  • NAT & Policy Design
  • High Availability (HA)
  • Traffic Flow Analysis
  • Security Compliance & Governance
  • AI Copilot Tools for Design Review (Preferred)
Responsibilities
  • Create detailed firewall and load balancer LLDs.
  • Design zoning, segmentation, NAT rules, VIPs, and HA solutions.
  • Analyze traffic flows and assess implementation impacts.
  • Ensure compliance with security policies and standards.
  • Review designs and support deployment teams during implementation.
Qualifications: BACHELOR OF TECHNOLOGY

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