Infrastructure Engineer (Network & Automation)

We are looking for an Infrastructure Engineer (Network & Automation) to join a technical team responsible for a large-scale, highly automated enterprise infrastructure distributed across more than 80 locations and two datacenters. This is an excellent opportunity for versatile professionals with cross-functional experience in networking, systems administration, monitoring, and automation, who enjoy taking ownership of the environments they manage and working within a challenging and technologically advanced setting.

Key Responsibilities

• Operate and support the network infrastructure, including LAN/WLAN, VLANs, routing, VPN/IPsec, and multi-vendor firewall environments.
• Administer Linux and Windows servers supporting the Network Team infrastructure.
• Deploy, optimize, and operate monitoring platforms such as SolarWinds and Centreon, continuously improving alert quality and operational visibility.
• Extend infrastructure automation by contributing to Ansible playbooks, roles, and Source of Truth data management through Nautobot.
• Participate in infrastructure deployments, site migrations, and incident resolution activities within a controlled change management framework.
• Create and maintain technical documentation and operational runbooks.
• Provide N2/N3 support for infrastructure and network-related issues.
• Minimum of 4 years of experience in infrastructure, network, or systems administration roles.
• Bachelor's degree in Computer Science, Network Engineering, Information Systems, or a related field.
• Strong experience with:
• LAN/WLAN technologies
• VLANs
• Routing protocols (OSPF and/or BGP)
• VPN and IPsec technologies
• Firewalls in multi-vendor environments
• Experience administering Linux environments (RHEL, Debian, Ubuntu) and Windows servers.
• Experience with monitoring solutions such as SolarWinds, Centreon, Grafana, or Prometheus.
• Scripting skills using Python and/or Bash.
• Experience with virtualization platforms such as VMware or Proxmox.
• Knowledge of Windows Server and Active Directory.
• Strong English skills (B2-C1 level) and knowledge of French is considered a plus.

Nice to Have

• Experience with Ansible (playbooks, roles, and inventories).
• Familiarity with Git workflows, code reviews, and pull requests.
• Knowledge of Nautobot, NetBox, or Source of Truth concepts.
• Experience with technologies such as Arista, F5, Check Point, or Fortinet.
• Exposure to network simulation and lab environments, such as Containerlab.
• Experience working in regulated environments, particularly within the financial or banking sector.

Soft Skills

• Strong sense of ownership, accountability, and autonomy.
• Ability to manage activities end-to-end and proactively take initiative.
• Pragmatic mindset with excellent problem-solving capabilities.
• Strong communication and collaboration skills within small, agile teams.
• Comfortable working in a structured environment with well-defined processes and governance controls.
• Continuous interest in automation, operational excellence, and technological innovation.
• Workplace type: Hybrid (50% onsite, 50% remote).
• Location: Parque das Nações, Lisboa.