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Cyberr®

Pentester

Cyberr®
Luxembourg · Contract · Associate

Pentester


Location : Luxembourg


Languages : English


Responsibilities:

  • Translate client requirements into technical specifications.
  • Define attack scenarios and execute penetration tests on target environments.
  • Conduct internal security exercises within the company.
  • Produce high-quality reports including vulnerability analysis, root cause identification, and actionable remediation plans.
  • Provide recommendations to mitigate risks associated with discovered vulnerabilities.
  • Stay up-to-date with emerging attack techniques, new threats, vulnerabilities, and innovative testing contexts.
  • Contribute to the development and expansion of the company’s service portfolio.


Your Profile:

  • Master’s degree or higher in IT or Information Security.
  • Minimum 5 years of professional experience in cybersecurity/ethical hacking.
  • Strong knowledge of Offensive Security methodologies and frameworks (PTES, MITRE ATT&CK, TIBER-EU).
  • Proficient in one or more programming languages (C, C++, C#, Rust, Go, etc.).
  • Demonstrated ability to bypass behavioral detection of modern EDR/xDR solutions (CrowdStrike, SentinelOne, Microsoft Defender for Endpoint, etc.).
  • Hands-on expertise in bypassing web application firewalls (Cloudflare, AWS WAF, etc.).
  • Practical experience with APT tactics, techniques, and procedures.
  • Proven experience in penetration testing hardened or restricted enterprise environments.
  • Reverse engineering skills are a plus.
  • Fluency in French and English required; knowledge of German or Luxembourgish is an asset.


Interested in this opportunity? Feel free to apply or send us your updated CV at [email protected] and [email protected]

Key Skills

Ranked by relevance

c penetration testing microsoft defender cloudflare firewalls rust aws
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Posted
Feb 03, 2026
Type
Contract
Level
Associate
Location
Luxembourg
Company
Cyberr®

Industries

IT Services IT Consulting

Categories

Information Technology

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