Senior Network Security Engineer — Firewall & Infra

Natixis in Portugal; Loures; Híbrido; EUR 60 000 - 90 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Green Transportation Budget

electric bikes

flexible Hybrid Work Policy

Honolulu Wellness Club

Prayer Room

Lactation Room

themed Villages

Resumo da oferta

Natixis in Portugal seeks an experienced Senior Network Engineer to join our Security & Firewall team. You will handle BUILD and RUN activities, including firewall policy management, security operations, and ongoing infrastructure improvement.

You’ll be responsible for creating and enforcing rules, contributing to architecture decisions, and ensuring compliance with internal policies. A strong background in network security and on-call availability is essential.

Qualificações

• 5+ years of experience in network security engineering.
• Proven expertise in firewall administration in large-scale enterprise environments.
• Strong knowledge of network protocols (TCP/IP, BGP, OSPF, VLANs, VPNs).
• Familiarity with ISO 27001/NIST compliance and security audits.

Responsabilidades

• Design and deploy firewall filtering rules per security policies.
• Contribute to architecture and evolution of security infrastructure.
• Analyze and process filtering policy modification requests (RUN).
• Troubleshoot network dysfunctions; propose corrective actions and workarounds.
• Maintain firewall, web filtering, and proxy rules daily.

Conhecimentos

Firewall administration

Network security

TCP/IP

BGP/OSPF/VLANs

On-call readiness

Formação académica

Bachelor's degree

Ferramentas

NSX

SIEM

Cloud security tools

Descrição da oferta de emprego

Natixis in Portugal seeks an experienced Senior Network Engineer to join our Security & Firewall team. You will handle BUILD and RUN activities, including firewall policy management, security operations, and ongoing infrastructure improvement.

You’ll be responsible for creating and enforcing rules, contributing to architecture decisions, and ensuring compliance with internal policies. A strong background in network security and on-call availability is essential.