Network Engineering Lead

IDFC FIRST Bank; Chennai District; On-site; INR 1,800,000 - 3,000,000; Full time

Job summary

IDFC FIRST Bank is looking for a Network Engineering Lead based in Chennai, Tamil Nadu. The role involves managing the 24x7 DC/DR/NDR network operations, focusing on F5 and Citrix NetScaler load balancing. Candidates should possess 10-18 years of experience in network engineering with a strong background in TCP/IP, DNS functionality, and load balancing technologies. A Bachelor’s or Master’s degree in a relevant field is required. This position expects excellent troubleshooting skills and collaboration with cross-functional teams.

Qualifications

• 10–18 years of experience in network engineering.
• Strong understanding of network architectures and protocols.
• Expertise in F5 BIG-IP and Citrix NetScaler configuration.

Responsibilities

• Manage and optimize F5 and Citrix NetScaler infrastructure.
• Ensure high availability and performance for network services.
• Lead network troubleshooting and incident response.

Skills

F5 and Citrix NetScaler Load Balancer

TCP/IP networking

Load balancing technology

DNS functionality

Network protocols (Routing / Switching)

Troubleshooting skills

Education

Bachelor of Science (B.Sc) or equivalent

Master of Science (M.Sc) or equivalent

Job description

Job Requirements

Role/ Job Title: Network Engineering Lead

Function/ Department: Information Technology.

Job Purpose

The primary responsibility will be managing the 24x7 DC/DR/NDR network, Pan India, Network Support & Operations. You will work closely with the teams from Network Projects, EUS leads, NOC and other cross‑functional teams who are managing systems and applications, to drive efficiency and improvements in supporting/ managing the business.

Roles & Responsibilities

• Analyse, design, implement and maintain the networks F5 and Citrix NetScaler Load Balancer infrastructure.
• Inspect data packets and TCP/IP flow in network and application flow.
• Possess a working knowledge of switches, routers, and firewall concepts.
• Configure and maintain F5 and Citrix Load Balancers, load balancing best practices.
• Take responsibility to upgrade network operating systems software and hardware as per management requirements.
• Ensure that the plans are integrated effectively with the other aspects of the technical infrastructure.
• Extensive knowledge of load‑balancing technology including algorithms and health‑check options.
• Knowledge and experience regarding F5 BIG‑IP LTM VIP configuration with health check.
• Knowledge and experience with F5 BIG‑IP GTM Wide‑IP configuration.
• F5 BIG‑IP iRule programming and troubleshooting experience.
• Extensive knowledge of Citrix NetScaler VIP configuration with health check.
• Knowledge and experience with Citrix NetScaler Global Load Balancing (GSLB) configuration.
• Must have extensive experience working in structured change management, problem, and incident processes.
• Must have production environment experience consisting of global load balancing, local load balancing, SSL acceleration, HTTP compression/caching, and DNS.
• Strong networking experience – TCP/IP, administration of networking hardware.
• Design and maintenance experience with complex Web hosting network architectures.
• Experience directly managing routers, switches, load balancers and SSL accelerators in a high‑availability infrastructure is required.
• Expert understanding of TCP as it pertains to packet inspection and network/application flows.
• Expert ability to troubleshoot issues and make recommendations for system changes, as needed, to resolve issues.
• Integration / configuration / administration experience and solid network background including understanding of switch, network routing, and firewall concepts.
• The Load Balancing Engineer must possess very strong troubleshooting skills as well as a strong TCP understanding as it pertains to packet inspection and TCP flow in the network and application flows.
• The Load Balancing Engineer must have a very good understanding of DNS functionality and concepts as it relates to IPv4 and IPv6.
• Deep understanding of network protocols (Routing / Switching).
• Design and implement load balancing rules using industry best practices.
• Communicate network architecture designs clearly and effectively to technical and non‑technical decision makers.
• Perform security hardening of network systems.
• Develop or contribute to technical documentation including low‑level design documentation, technical implementation document, deployment/build plans, and test plans.
• Deploy designed solution within a testing environment to verify compliance with security and functional requirements.

Education Qualification

Graduation: Bachelor of Science (B.Sc) / Bachelor of Technology (B.Tech) / Bachelor of Computer Applications (BCA).

Post‑Graduation: Master of Science (M.Sc) / Master of Technology (M.Tech) / Master of Computer Applications (MCA).

Experience

10–18 years.