Hey there, Cybersecurity Enthusiasts ðFactorial is looking for a skilled and experienced Infrastructure Security Engineer to join our team and reinforce the end-to-end security management of our systems and cloud environments. In this role, you will be the guardian of our core foundations, taking full ownership of infrastructure security from risk assessment and vulnerability management to proactive defense and incident response. As a key member of the Security Team, you will ensure that our integral infrastructure remains resilient, compliant, and secure. You'll work closely with SRE and IT teams to maintain a strong security posture, implementing hardening strategies and managing the entire lifecycle of infrastructure risks.
Drive the security strategy for our cloud environments, ensuring security is baked into the architecture from day one.
Continuously monitor security alerts and incidents. AI, Tooling & Automation: Develop and manage infrastructure security tooling (CNAPP, CSPM, Vulnerability Scanners) to ensure accurate threat detection and automated compliance.




Partner with Infra, IT, DX and SRE teams to integrate infrastructure security best practices and automate security controls.
Develop, maintain, and regularly update incident response plans and infrastructure security policies.
5+ years of experience in Infrastructure Security or Security Engineering, specifically within Cloud environments, Infrastructure as Code, and Containerization (Kubernetes).Strong understanding of Cyberattacks and Threat Actor Tactics, Techniques, and Procedures (TTPs) related to infrastructure and cloud escape.
Infrastructure Specialist: Strong understanding of network security, OS hardening (Linux/Unix), and identity management (IAM).Automation Mindset: Proficiency in scripting and automation using Python, Bash, and AI, to streamline SOC operations.
Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent experience.
That's why our Engineer

📌 Security Infrastructure Engineer Microsoft (Barcelona)
🏢 Factorial Hr
📍 Barcelona