Infrastructure Systems Administrator (Lisbon - Hybrid)

We're fast learners, hard workers, natural collaborators... and we Make Modern Happen! Our ambition is to unlock the potential of our digital world so that organisations everywhere can innovate and thrive securely. We achieve this by bringing together talented people and powerful technologies to solve our customers' challenges and build something stronger together.

If you share our vision, join us! Right now, we are looking for an Infrastructure Systems Administrator for a client on our Talent Team.

Your responsibilities

Administer, maintain, and support enterprise infrastructure environments. Manage and maintain virtualization platforms and related services. Configure, monitor, and troubleshoot firewalls and network infrastructure. Administer Windows and/or Linux servers in datacenter environments. Monitor system performance, availability, and capacity.

Support infrastructure upgrades, migrations, and improvement projects. Ensure compliance with security and operational best practices. Collaborate with technical teams to support business-critical services. You must have: Proven experience as a Systems Administrator or Infrastructure Administrator. Hands-on experience with virtualization technologies (VMware, Hyper-V, or similar).

Experience managing firewalls and network security solutions. Strong knowledge of server administration in datacenter environments. Experience with Windows Server and/or Linux. Knowledge of networking concepts such as TCP/IP, DNS, DHCP, VLANs, and VPNs. Experience with backup and disaster recovery solutions. Strong troubleshooting and problem-solving skills.

Ability to work effectively in enterprise environments. We offer: Integration into a dynamic and motivated team. Continuous training and professional development opportunities. Competitive salary package according to experience and skills. Career evolution within a growing international organisation. Workplace: Lisbon

• Hybrid (1 day per week onsite) Claranet, Make Modern Happen!