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NTT DATA Logo NTT DATA · IT - Administration

Server Load Balancer Engineer (L3)

India, Pune · Job Posted May 27, 2026
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Job Description

The SLB & GSLB L3 Engineer is a senior subject matter expert responsible for the architecture, deployment, and operational management of mission-critical load-balancing solutions. This role requires extensive experience with F5 BIG-IP LTM and GTM, or similar platforms, in a highly regulated and performance-sensitive banking environment. The engineer will provide advanced L3-level support, lead complex projects, and ensure the resilience and security of traffic management systems.

Job Responsibility

  • Design, implement, and maintain F5 BIG-IP solutions, including LTM for SLB and GTM for GSLB, adhering to industry best practices
  • Act as the Level 3 escalation point for complex F5 and application-related issues
  • Perform advanced configuration tasks such as creating and modifying virtual servers, pools, health monitors, profiles, and iRules
  • Plan and execute software upgrades, patches, and hotfixes for F5 BIG-IP appliances
  • Conduct performance analysis and capacity planning for the F5 infrastructure
  • Expertise in implementing global server load balancing (GSLB), familiarity with WebSocket and gRPC protocols
  • Work closely with application development, network, and security teams
  • Maintain network and security architecture diagram and LLD and HLD for each solution
  • Provide suggestions for enhancements/changes
  • Analyze incidents independently and identify root cause
  • Provide engineering analysis and architectural design of technical solutions

Requirements

  • BE/B-Tech/BCA or master’s degree in CS/IT
  • CCNP (R&S) + OEM F5 Certified Technical Specialist (F5-CTS) (2 certifications)
  • 6-8 years’ relevant experience
  • F5 BIG-IP (LTM, ASM),(HTTP/HTTPS, REST APIs),(OWASP Top 10, DDoS)
  • Expert-level, hands-on experience with F5 BIG-IP (LTM, GTM) or Citrix NetScaler
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