Senior Infrastructure Security Engineer: Cloud & AI Security

Blockchain.com; Paris; On-site; EUR 110,000 - 140,000; Full time

Benefits offered by this job

Unlimited vacation

Unlimited books

Equity

Job summary

Blockchain.com in Paris seeks a Senior Infrastructure Security Engineer to design, build, and automate security controls across our cloud-based platform and services. You will work with SREs and developers to harden configurations and protect consumer and institutional products.

You will lead threat modeling, incident response, and drive secure by default practices, including AI-Driven innovations and LLM integration in our secure infrastructure.

Qualifications

• Security roles with cloud environments (GCP/AWS) experience.
• Automation and scripting with Python, Bash, Go, Terraform, or similar.
• Ability to translate security requirements into scalable solutions.
• Familiarity with CI/CD systems and SRE collaboration.
• Experience with SIEM and incident management tools.
• Understanding threat modeling and architectural reviews.
• Knowledge of governance frameworks (CIS, NIST, SOC2, ISO 27001).

Responsibilities

• Design, build, and implement security controls across prod and infra.
• Identify security gaps and drive initiatives to close them.
• Collaborate with SRE/engineering to integrate security into CI/CD and cloud architectures.
• Develop automated tooling for secure configurations and compliance.
• Contribute to security docs and developer guidance.
• Respond to security incidents when needed.
• Research and embed AI utilities and LLM agents into secure infra.

Skills

Security engineering

DevSecOps

Cloud security

Scripting

IaC (Terraform)

CI/CD integration

Incident response

WAF/Cloudflare

SIEM (Splunk/Elastic)

Automation

Tools

Terraform

Splunk

Elastic

Wazuh

Github Actions

CircleCI

Concourse

PagerDuty

Incident.io

Cloudflare

HashiCorp Vault

Job description

Blockchain.com in Paris seeks a Senior Infrastructure Security Engineer to design, build, and automate security controls across our cloud-based platform and services. You will work with SREs and developers to harden configurations and protect consumer and institutional products.

You will lead threat modeling, incident response, and drive secure by default practices, including AI-Driven innovations and LLM integration in our secure infrastructure.