Senior L3 Firewall Engineer: Cyber Security Specialist

Gbt Solutions, Lda; Braga; Presencial; EUR 40 000 - 65 000; Tempo integral

Resumo da oferta

GBT Solutions in Braga, Portugal is seeking a Cyber Security L3 Firewall Engineer to build, deploy, and maintain Next Generation Firewalls in complex environments and to implement secure policies. The role requires hands-on firewall management across multiple vendors, strong TCP/IP knowledge, and the ability to troubleshoot advanced network security issues.

The position involves collaborating with Infrastructure Management and Cyber Security teams to enhance security posture and support incident

Qualificações

• Minimum 3 years of practical experience in cyber security or a related field.
• 3+ years hands-on firewall experience across multiple vendors.
• Strong knowledge of TCP/IP protocols and services.
• Experience with LAN/WAN networking, protocol architecture, and OS/application vulnerabilities.
• Relevant cybersecurity certifications (e.g., CISM, CISSP, GIAC).

Responsabilidades

• Build, implement, maintain, and support Next Generation Firewalls in complex environments.
• Configure, maintain, and review security policies and advanced firewall capabilities.
• Perform centralized administration and configuration to ensure uptime.
• Implement, validate, and optimize firewall rulesets and policies.
• Troubleshoot complex network security issues with cross-functional teams.
• Work with Infrastructure Management and Cyber Security teams to enhance security posture.
• Support Incident Handlers in identifying and remediating security incidents.
• Review security documentation and provide technical guidance when required.
• Execute additional duties aligned with cyber security operations.

Conhecimentos

Network security

Troubleshooting

LAN/WAN networking

Traffic analysis

Vendors firewall management

Ferramentas

ix-based operating systems

Descrição da oferta de emprego

GBT Solutions in Braga, Portugal is seeking a Cyber Security L3 Firewall Engineer to build, deploy, and maintain Next Generation Firewalls in complex environments and to implement secure policies. The role requires hands-on firewall management across multiple vendors, strong TCP/IP knowledge, and the ability to troubleshoot advanced network security issues.

The position involves collaborating with Infrastructure Management and Cyber Security teams to enhance security posture and support incident