Infrastructure Engineer (Network & Automation)

Inetum is a European leader in digital services. Inetum’s team of 28,000 consultants and specialists strive every day to make a digital impact for businesses, public sector entities and society. Inetum’s solutions aim at contributing to its clients’ performance and innovation as well as the common good.

Present in 19 countries with a dense network of sites, Inetum partners with major software publishers to meet the challenges of digital transformation with proximity and flexibility.

Driven by its ambition for growth and scale, Inetum generated sales of 2.5 billion euros in 2023.

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.