At Lognext, we have spent 20 years helping companies such as Verisure, BNP Paribas and AXA solve complex technological challenges through high-performing expert talent that turns technology into business results.

We are looking for a talented Network Security Expert to join our team for a leading multinational company in the financial sector.

What are we looking for?
- Expert-level profile with deep knowledge of network security technologies, strong analytical skills and the autonomy required to work within critical production environments.
- Solid hands-on experience with firewalls, including architecture, design, build and general configuration in high-availability environments.
- Strong knowledge of load balancing, including configuration, troubleshooting, virtual servers, pools, persistence, monitoring and iRules.
- Experience with DNS/DHCP, monitoring tools and SNMP alert configuration.
- Experience in proxy management, including architecture, design, build, general configuration and policy management.
- Understanding of remote access and Remote Gateway platforms.




- Strong development and automation skills with Python and Ansible, together with good working proficiency in Linux RHEL environments.
- Strong interpersonal and communication skills, with the ability to work under pressure and report effectively to management.
- Good level of English, minimum B2.
- Essential: Firewalls, load balancing, DNS/DHCP, monitoring tools, SNMP, Python, Ansible, Linux RHEL, proxy management and remote access technologies.
- Desirable: Experience with REST APIs and Python web frameworks such as FastAPI.

What will your main responsibilities be?
- Manage the production, monitoring and engineering of network security platforms across Campus and Data Centre environments.
- Operate and support firewall, load balancing, DNS/DHCP, Internet access, proxy and remote access technologies.
- Provide troubleshooting support and incident management, including on-call coverage for the Data

📌 Network Security Engineer (Madrid)
🏢 Lognext
📍 Madrid