Overview

Network & Security Engineer Jobs in Oeiras, Lisbon, Portugal at A2IT Technology

Title: Network & Security Engineer

Company: A2IT Technology

Location: Oeiras, Lisbon, Portugal

A2IT Tecnologia is a Portuguese IT services company, founded in 2006. With offices in Portugal, Brazil, and the UAE, we provide 24/7 support and tech solutions for national and international clients. We are ISO 9001 and GNS certified, and partner with major technology providers.

📍Hybrid model in Lisbon, three times a week

🎯 What you’ll do:

  • Monitor and analyze security events in Solaris, Windows, and Linux environments;
  • Handle incidents related to proxies, mail relay systems, and F5 load balancers;
  • Investigate and respond to security incidents involving protocols such as SSH, RDP, TLS, Radius, LDAP, SMTP, HTTP/S, etc;
  • Support technical projects, including infrastructure migrations and upgrades;
  • Collaborate with internal teams on the implementation of security practices and hardening procedures;
  • Provide support for IPSEC VPN and remote access control;
  • Integrate and maintain SIEM platforms and security tools.

🔍What we’re looking for:

  • Proficiency in Solaris, Windows Server, and Linux (Red Hat);
  • Experience with proxy, mail relay systems, and F5 appliances;
  • Knowledge of security protocols: SSH, RDP, TLS, Radius, LDAP, SMTP, HTTP/S, MFA;
  • Familiarity with remote access management and IPSEC VPN;
  • Understanding of project management and risk assessment in security contexts;
  • Experience with SIEM platforms, on-premises and Microsoft Sentinel;
  • Ability to act in incident response and recovery scenarios.

🔹 Nice to have:

  • Experience with open-source and security monitoring/automation tools;
  • Strong communication and collaboration skills;
  • Ability to participate in PoCs and evaluate new security solutions.

📩 Apply now or send your CV to [email protected]

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