Infrastructure Engineer (Network & Automation)
HybridLisbon, Lisbon, Portugal
Job Summary
Operate and support the network infrastructure, including LAN/WLAN, VLANs, routing, VPN/IPsec, and multi-vendor firewall environments. Administer Linux and Windows servers, deploy monitoring platforms like SolarWinds and Centreon, and extend automation through Ansible playbooks and Nautobot data management. Participate in infrastructure deployments, site migrations, and incident resolution within a controlled change management framework while creating technical documentation and operational runbooks. Provide N2/N3 support for infrastructure and network-related issues. This hybrid role (50% onsite, 50% remote) is based in Parque das Nações, Lisboa, for a technical team managing a large-scale, highly automated enterprise infrastructure across 80+ locations and two datacenters.
Required Qualifications
- 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
- Strong experience with VLANs
- Strong experience with Routing protocols (OSPF and/or BGP)
- Strong experience with VPN and IPsec technologies
- Strong experience with 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)
- 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
Desired Qualifications
- Strong experience with: LAN/WLAN technologies
- Strong experience with VLANs
- Strong experience with Routing protocols (OSPF and/or BGP)
- Strong experience with VPN and IPsec technologies
- Strong experience with 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
- 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
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