Sr Infra Security Engineer – AI-Driven Cloud Security

Blockchai; Paris; Hybride; EUR 90 000 - 140 000; Plein temps

Avantages offerts par ce poste

Unlimited vacation policy

Unlimited books policy

Equity in company

Résumé du poste

Blockchain is seeking a Senior Infrastructure Security Engineer in Paris to design and implement security controls across the stack, from consumer products to institutional offerings. You will help automate security tooling, enforce secure configurations, and participate in incident response while shaping the platform’s security architecture.

You will collaborate with SRE and engineering teams to embed security into CI/CD pipelines and cloud-native designs, driving proactive threat detection and

Qualifications

• 4+ years in security engineering, platform security, or DevSecOps.
• Experience implementing security controls in cloud environments (GCP/AWS preferred).
• Proficiency in scripting/automation and infrastructure as code (Python, Bash, Go, Terraform).
• Able to translate security requirements into scalable solutions with engineering teams.

Responsabilités

• Design, build, and implement security controls across product, platform, and infra environments.
• Identify security gaps, propose solutions, and drive engineering initiatives.
• Collaborate with SRE and engineers to integrate security into CI/CD and cloud-native architectures.
• Build automated tooling to enforce secure configurations and continuous compliance.
• Assist in threat modeling, design reviews, and architectural assessments.
• Contribute to security documentation and developer guidance.
• Participate in security incident response when automation support is needed.
• AI-Driven Innovation: embed AI utilities and LLM agents into secure infrastructure.

Connaissances

Security engineering

Cloud security

IaC (Terraform)

Python scripting

CI/CD security

Threat modeling

Outils

GCP

AWS

Terraform

Wazuh

Splunk

Elastic

Incident.io

PagerDuty

GitHub Actions

Description du poste

Blockchain is seeking a Senior Infrastructure Security Engineer in Paris to design and implement security controls across the stack, from consumer products to institutional offerings. You will help automate security tooling, enforce secure configurations, and participate in incident response while shaping the platform’s security architecture.

You will collaborate with SRE and engineering teams to embed security into CI/CD pipelines and cloud-native designs, driving proactive threat detection and