Network Security Engineer--Linux & Firewall

Role & responsibilities

• Firewall Migration: Design and execute migration strategies from hardware firewall appliances to VM-based open-source firewall solutions.
• VM Deployment: Deploy, configure, and optimize virtual machines running firewall stacks in accordance with the Banks security architecture.
• Open Source Firewalls: Implement and maintain open-source firewall technologies ensuring compliance with organizational standards.
• Security Monitoring: Integrate and manage intrusion detection and prevention systems, traffic analysis, and monitoring tools.
• Collaboration: Work closely with network, security, and infrastructure teams to ensure seamless integration and operation of firewall solutions.
• Documentation: Maintain detailed documentation of configurations, policies, and migration processes.

Preferred candidate profile

• Minimum 4 years of experience in Linux engineering with a focus on firewall technologies.
• Proven expertise in VM-based firewall deployment and configuration.
• Strong background in application load balancers and network proxy technologies
• Strong knowledge of network security principles and firewall rule management.
• Hands-on experience with:
• NixOS
• Nftables
• Cilium
• Suricata
• Zeek

Preferred Skills

• Experience in open-source firewall migration projects within financial institutions.
• Familiarity with cloud-native networking and containerized environments.
• Strong troubleshooting and performance optimization skills.

Role Level

• Mid-level position requiring a minimum of 4 years of relevant experience.