Description
Network Security Engineer I

We are seeking a highly skilled and motivated Firewall Administrator to join our Infrastructure and Network teams. This role is responsible for the design, implementation, administration, monitoring, and continuous improvement of enterprise firewall and network security platforms. The ideal candidate will have extensive experience managing complex network environments, implementing security best practices, and partnering with infrastructure, cloud, and application teams to protect critical business systems. This is a hybrid role and work hours are 2pm – 11pm IST and 6:30pm – 3:30pm IST.

Responsibilities:
- Configure, administer, and maintain enterprise firewall platforms including Palo Alto, Cisco Firepower, or equivalent technologies.
- Manage firewall policies, security zones, NAT rules, VPN configurations, and access control.
- Review, approve, and implement firewall change requests in accordance with established security standards and change management procedures.
- Develop, maintain,



and support reusable Infrastructure-as-Code and configuration automation for firewall policies, network objects, security zones, NAT rules, VPN configurations, and related network security services.
- Monitor firewall performance, capacity, and security events to ensure optimal operation.
- Conduct regular rule reviews and policy optimization to improve security posture and operational efficiency.
- Implement and maintain network segmentation, micro-segmentation, and Zero Trust security principles.
- Automate firewall rule analysis, recertification, expiry tracking, duplicate and shadowed rule detection, and identification of unused objects to support secure policy lifecycle management.
- Investigate suspicious network activity and collaborate with InfoSec teams on threat detection and incident response activities.
- Analyze security alerts, logs, and network traffic to identify vulnerabilities, threats, and anomalies.
- Partner with networ

📌 Network Security Engineer I (Mumbai Suburban)
🏢 Kroll
📍 Mumbai Suburban