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September 18, 2026

Penetration Tester

Mid • On-site

Brno, Czech Republic

Quick Facts

  • Role: Penetration Tester

  • Focus: Offensive security and penetration testing across hardware, web, mobile, cloud, and on‑prem environments

Description

You will proactively hunt for vulnerabilities across a broad technology landscape—including hardware, web and mobile applications, cloud environments, and on‑premise infrastructure. The role emphasizes thinking like an attacker, ethically breaking systems to uncover security weaknesses, and delivering improvements through thorough, actionable findings. You’ll grow continuously through internal events and training, with funding for advanced certifications.

Responsibilities

  • Perform in-depth penetration tests on networks, applications, and systems to uncover security weaknesses

  • Take ownership of more complex security projects and ensure timely, high-quality deliverables

  • Use advanced tools and methodologies for penetration testing and vulnerability assessment

  • Document findings and provide detailed reports with actionable recommendations

  • Collaborate with team members and other departments on cross-functional security objectives

  • Ensure testing activities adhere to company policies and industry standards

  • Dedicate time weekly to skill building and preparation for relevant, fully funded industry certifications

Requirements

  • Hands-on experience in cybersecurity with a strong focus on penetration testing and vulnerability assessment

  • Practical knowledge of penetration testing tools and techniques

  • Strong desire for continuous self-development and willingness to learn and adapt to new tools/technologies

  • Ability to analyze complex security problems and propose effective, practical solutions

  • Fluency in English

Benefits

  • Funding for self-development and advanced, industry-recognised certifications (including OSCP, OSEP, OSWE)

  • 5 weeks of paid vacation

  • Hybrid work model

  • Flexible working hours

  • On-site canteen & home office meal vouchers

  • Pension plan or DIP contributions

  • Discounted phone plans & company product discounts

  • Multisport Card & cafeteria program

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