Firewall Engineer

Há 6 dias


Lisboa, Lisboa, Portugal Hays Tempo inteiro

Join a leading telecommunications client and work on cutting-edge firewall solutions in a hybrid setup

Job Title:
Firewall Engineer

Location:
Lisbon or Porto (
Hybrid
)

Client:
Telecommunications

Languages:
Portuguese & English

Important:

  • No sponsorship available
  • Candidate
    must be in Portugal with a valid work permit

Role Overview

We are seeking a
Firewall Engineer
with strong expertise in
Check Point
and
Fortinet
(physical & virtual) to join a
core network and data center team
. You will be responsible for designing, configuring, and implementing firewall policies, VPNs, and dynamic routing, as well as troubleshooting and optimizing performance in complex production environments.

Key Responsibilities

  • Design & implement
    firewall policies
    ,
    NAT
    ,
    VPN site-to-site
    , and
    dynamic routing (BGP/OSPF over IPsec)
  • Operate firewalls in
    core/distribution/data center environments
    via GUI & CLI
  • Execute
    change requests during maintenance windows
    , ensuring planning, rollback, and clear communication
  • Validate requests for
    policy consistency, dependencies, and impact
    before implementation
  • Troubleshoot incidents:
    packet capture, traffic analysis, HA/cluster debugging, MTU/MSS tuning
  • Manage operational queue, optimize logging, and maintain policy hygiene
  • Produce documentation (
    MOPs, post-mortem notes
    ) and collaborate with security/network teams.

Skills & Experience

  • Proven experience in
    network security/firewall engineering
  • Hands-on with
    Check Point & Fortinet (VSX, VDOMs)
  • Expertise in
    security policies, NAT, VPN IPsec, dynamic routing (BGP/OSPF), FortiGuard services
  • Strong troubleshooting:
    packet capture, HA/clusters, performance tuning
  • Experience with
    risk validation and high-volume environments


Email:

You can also reach out via
LinkedIn DM
.



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