Network Security Engineer - Firewall

IDFC FIRST Bank; Navi Mumbai; On-site; INR 800,000 - 1,200,000; Full time

Job summary

IDFC FIRST Bank is looking for a Network Security Engineer - Firewall to manage enterprise network firewall and perimeter security controls in a regulated banking environment. Responsibilities include designing and configuring firewall platforms, ensuring network segmentation, and participating in incident response for network attacks. The ideal candidate has a Bachelor's degree and at least 5 years experience in a similar role within the banking industry. Join us to ensure the safety of our IT infrastructure.

Qualifications

• Minimum of 5 years of experience in a similar role, preferably in the banking or financial industry.

Responsibilities

• Design, configure, and operate enterprise-grade firewall platforms across data centres, cloud, and hybrid environments.
• Enforce network segmentation, least-privilege access, and controlled ingress/egress.
• Perform firewall rule lifecycle management, including reviews, recertification, optimization, and cleanup.
• Troubleshoot complex network security and connectivity issues across multiple layers.
• Support secure connectivity for applications, users, vendors, and cloud workloads.
• Monitor firewall logs and alerts; integrate with SIEM and SOC workflows.
• Participate in incident response related to network-based attacks.
• Support internal, external, and regulatory audits (RBI, ISO 27001, NIST).
• Maintain architecture diagrams, SOPs, and audit evidence.

Education

Bachelor's degree in Computer Science, Information Technology, or a related field

Job description

Position: Network Security Engineer - Firewall

Job Type: Full-Time

About the Role

We are seeking a Network Security Engineer – Firewalls & Perimeter to own and operate enterprise network firewall and perimeter security controls in a regulated banking environment. This role has deep focus on firewall architecture, segmentation, traffic control, and perimeter defence, while collaborating closely with teams managing ZTNA, SWG, and Web/API Protection.

Key Responsibilities

Primary Focus – Network Firewalls

• Design, configure, and operate enterprise-grade firewall platforms across data centres, cloud, and hybrid environments.
• Enforce network segmentation, least-privilege access, and controlled ingress/egress.
• Perform firewall rule lifecycle management, including reviews, recertification, optimization, and cleanup.
• Troubleshoot complex network security and connectivity issues across multiple layers.
• Support secure connectivity for applications, users, vendors, and cloud workloads.

Security Operations & Governance

• Monitor firewall logs and alerts; integrate with SIEM and SOC workflows.
• Participate in incident response related to network-based attacks.
• Support internal, external, and regulatory audits (RBI, ISO 27001, NIST).
• Maintain architecture diagrams, SOPs, and audit evidence.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field
• Minimum of 5 years of experience in a similar role, preferably in the banking or financial industry

If you are a self-motivated and detail-oriented individual with a passion for security, we want to hear from you. Join our dynamic team at IDFC FIRST Bank and help us ensure the safety and security of our organization's IT infrastructure.