Security Engineer: Cloud & App Security (Paris/Lyon/Cracow)

Beekeeper; Tassin-la-Demi-Lune; Hybrid; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Hybrid work model

RTT days

Meal vouchers (SWILE)

Free snacks & coffee

Yoga classes

Job summary

Atlas Metrics is seeking an experienced security engineer to proactively optimize the organization’s detection stack and triage security events from GuardDuty, Sysdig, and WAF telemetry. You will tune detection logic, automate tasks with Python or Bash, and drive remediation of GitHub Advanced Security findings.

You will collaborate with development teams to promote secure coding practices, review third-party components, and contribute to the CI/CD pipeline integrations for security tooling.

Qualifications

• 3+ years of professional experience in application / cloud security.
• Ability to analyze WAF traffic and cloud telemetry to identify attack patterns, eliminate false positives and tune the tooling.
• Hands-on experience applying and auditing/remediating security best practices in AWS/GCP, Kubernetes and containerized infrastructure.
• Strong understanding of application and API security principles (e.g., OWASP Top 10, OWASP API Top 10).
• Practical experience with source code analysis and the ability to read and understand Python and/or Java.
• Hands-on experience with security monitoring tools including SAST, DAST, and SCA + practical experience integrating them within the CI/CD pipelines.
• Solid understanding of data security, encryption techniques, and secure data handling.
• Working knowledge of network protocols (TCP/IP, DNS) and security concepts (WAFs, IDS).

Responsibilities

• Security Operations & Tooling: Maintain and monitor automated DAST, SAST, and SCA setups; triage findings and work with engineering teams to ensure timely resolution of vulnerabilities.
• Incident Response: Participate in the coordination and tracking of security incidents and tickets to ensure resolution within SLAs.
• SDLC Contribution: Collaborate with developers to promote secure coding practices and API security within the Software Development Lifecycle; review third-party components for vulnerabilities using SCA tools.
• Testing & Assessments: Assist in managing recurring security review processes, including internal penetration testing and risk assessments.
• AI Security: Apply security best practices to the organization’s usage of AI and LLM systems, supporting the broader strategy developed by senior leadership.
• Knowledge Sharing: Support security awareness training and participate in internal knowledge-sharing sessions.

Skills

Cloud security

Incident triage

Python / Bash

CI/CD security

Threat detection tuning

OWASP Top 10

Tools

AWS

GCP

Kubernetes

SAST/DAST/SCA

GitHub Advanced Security

Job description

Atlas Metrics is seeking an experienced security engineer to proactively optimize the organization’s detection stack and triage security events from GuardDuty, Sysdig, and WAF telemetry. You will tune detection logic, automate tasks with Python or Bash, and drive remediation of GitHub Advanced Security findings.

You will collaborate with development teams to promote secure coding practices, review third-party components, and contribute to the CI/CD pipeline integrations for security tooling.