Mid-Level Network Security Engineer – Firewall And Micro-Segmentation Expertise

Itds Portugal; Lisboa; Híbrido; EUR 42 000 - 56 000; Tempo integral

Resumo da oferta

ITDS Portugal in Lisbon is seeking a Mid-Level Network Security Engineer to maintain secure enterprise infrastructure in a production IT environment. You will manage firewall rules, segmentation and incident handling while ensuring high availability and compliance.

The role requires hands-on experience with NSX-T/VCF9, Palo Alto and Fortinet, and ITIL-aligned processes. Fluent English and Portuguese or French are preferred, with a hybrid work model in Lisbon.

Qualificações

• At least 3 years of network security in IT production operations.
• Hands-on NSX-T/VCF9, Palo Alto and Fortinet experience.
• ITIL-aligned incident and change management.
• Experience in firewall rule optimization and automation.
• Ability to meet SLAs and QoS targets.

Responsabilidades

• Diagnose malfunctions and maintain high availability of security infrastructure.
• Implement and optimize firewall policies and segmentation rules.
• Serve as SME for network security; provide guidance and training.
• Handle incidents, requests and changes end to end with documentation.
• Collaborate with IT and infra teams.

Conhecimentos

Network security

Incident & change management

Firewall management

Automation

ITIL

SLA/ QoS compliance

Ferramentas

NSX-T/VCF9

Palo Alto

Fortinet

Descrição da oferta de emprego

Unleash the power of network security - protect, optimize, and advance enterprise infrastructure!

Lisbon-based opportunity with hybrid work model.

As a Mid-Level Network Security Engineer, you will be working for our client in the banking and financial services sector, within an enterprise IT production environment. You will focus on operational maintenance, network segmentation and firewall management, keeping security infrastructure highly available and compliant while acting as a reference point for network security across technical teams.

Your main responsibilities:

• Diagnose malfunctions, clear flow blockages and ensure the high availability of security infrastructure in line with agreed SLAs.
• Implement, code, maintain and optimize firewall policies and segmentation rules following security best practices.
• Act as a subject matter expert for network security: provide guidance, training and alerts, and verify compliance against IT security standards.
• Handle incidents, requests and changes end to end, keeping documentation up to date.
• Interface with technical experts across other IT and infrastructure domains.

You're ideal for this role if you have:

• At least 3 years of experience in network security within IT production operations (incidents, requests, changes, documentation).
• Hands-on experience with NSX-T / VCF9, Palo Alto and Fortinet, including coding and implementing firewall security rules and micro-segmentation.
• Practical experience with incident and change management aligned with ITIL.
• Experience in firewall rule optimization and automation.
• Experience working to SLAs and quality-of-service targets.

Language Required for the role:

Fluent English, plus either French or Portuguese.

Eligibility for the role:

Only candidates with an existing legal right to work in the European Union will be considered for this role.