Infrastructure & Identity Security Engineer- Lisbon - Hybrid

Há 10 horas

lisboa, Portugal A2It Tecnologia Tempo integral

We are looking for experienced professionals to join our Systems and Identity Engineering team, working in a large-scale, mission-critical technological environment with national impact. The ChallengeYou will be part of a team responsible for managing and evolving complex Microsoft-based infrastructures, ensuring security, availability, and operational excellence across hybrid and enterprise environments.

Initial phase onsite at Taguspark - hybrid model after integration.

Key Responsibilities:

  • Manage and operate Domain Controllers, physical and virtual servers, SharePoint platforms, and collaboration systems;
  • Provide 2nd and 3rd line support via ITSM / SMAX;
  • Troubleshoot, analyze, and resolve incidents and service requests;
  • Collaborate with internal teams and external service providers;
  • Administer and maintain hybrid infrastructures;
  • Implement technical changes and improvements;
  • Produce technical documentation and operational reports;
  • Support critical national-level entities and services.

What we’re looking for:

  • Minimum 12th grade or equivalent technical/professional qualification;
  • Mandatory experience in infrastructure hardening and security best practices, particularly across Windows Server, Active Directory and Microsoft 365 environments.
  • Strong experience (4+ years) in enterprise environments, including: Active Directory, Microsoft Exchange, Hybrid environments (On-Prem + O365), Microsoft Intune, Teams, and OneDrive for Business, Microsoft FIM / MIM;
  • Solid technical knowledge of: Windows Server, Azure AD, SAN, Routing & Switching, Ethernet, VLAN, VPN, IPSec, SNMP, QoSm, TCP/IP, IPv4 and IPv6;
  • Microsoft certifications (Active Directory, Azure AD, Windows Server, Exchange, Intune, SCCM) are a strong plus.

Regime de trabalho híbrido.