Lead Network Infrastructure Engineer

Job Description

Job Title

Network Engineer L3

Location
Chennai
Hybrid Work Model
Experience
7–10 years of relevant networking experience
Job Summary

CBTS is hiring an experienced L3 Network Engineer to manage and support enterprise network infrastructure, security solutions, and cloud networking environments. The role requires expertise in advanced routing, switching, firewalls, authentication technologies, and network security while providing technical leadership and mentoring junior engineers.

Key Responsibilities
Design, implement, and support enterprise network infrastructure.
Administer and troubleshoot F5, Palo Alto, Cisco, and Netscout technologies.
Configure and manage enterprise firewalls and VPN solutions.
Monitor and maintain network security infrastructure.
Implement intrusion detection and prevention solutions.
Configure and troubleshoot routing and switching protocols.
Support cloud networking and cloud security environments.
Manage authentication and access control solutions.
Implement Network Access Control (NAC) security frameworks.
Automate network tasks using scripting languages.
Troubleshoot complex network incidents and performance issues.
Mentor junior engineers and provide technical leadership.
Collaborate with cross-functional infrastructure and security teams.
Required Technical Skills
Networking
TCP/IP
Routing
Switching
Enterprise Networking
Network Security
Firewall Administration
Intrusion Detection & Prevention (IDS/IPS)
VPN Technologies
Network Security
Security Platforms
Palo Alto Firewalls
F5
Cisco Networking
Netscout
Cloud Technologies
AWS
Microsoft Azure
Google Cloud Platform (GCP)
Cloud Security
Authentication & Access Management
RADIUS
Network Access Control (NAC)
Multi-Factor Authentication (MFA)
Public Key Infrastructure (PKI)
Single Sign-On (SSO)
Automation & Scripting
Python
Perl
Bash
Required Skills
Strong troubleshooting and analytical skills
Excellent verbal and written communication
Technical leadership and mentoring
Problem-solving ability
Ability to work independently and within a team
Documentation and operational support
Preferred Qualifications
7–10 years of enterprise networking experience
Experience in hybrid and cloud networking environments
Strong background in network security and authentication technologies
Work Mode
Hybrid
How to Apply

Interested candidates can share their updated resume to:

Email: hemamalini.dhanasekaran@cbts.com