QA Automation & Cybersecurity Engineer

October 15, 2026

Office

Middle

Paris

Keep in mind

Original vacancy is in French
You will likely need French for the job. The employer can confirm
Office-only work

Description

QA Automation & Cybersecurity Engineer (CDI) for a major offensive cybersecurity actor developing its own tools used during pentest, Red Team and advanced security missions. Joining the R&D team, you guarantee the quality, stability and discretion of security tools deployed across different environments. The position is based in Paris with a salary of 45K€ plus bonus.

Responsibilities

Design and develop automation and testing tools in Python
Build and maintain complex test environments (Windows, Linux, mobile, Azure AD)
Define and execute functional, performance, regression and endurance testing strategies
Simulate realistic offensive scenarios: persistence, tunneling, remote access, agent deployment, etc.
Participate in validation automation and CI/CD pipeline improvement
Collaborate with development teams to ensure quality of deliverables throughout the product lifecycle

Requirements

Experience in QA, test automation or software validation
Good level of Python
Strong knowledge of Windows and Linux environments
Marked interest in offensive cybersecurity (vulnerabilities, evasion, persistence, post-exploitation)
Experience in administering or deploying virtualized environments
Ansible
Terraform / Packer
Grafana / Prometheus
Systems development (C, C++ or Rust)
DevOps / CI/CD culture
Familiarity with Blue Team topics (EDR, SIEM, monitoring)