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September 18, 2026
Penetration Tester
Mid • On-site
Brno, Czech Republic
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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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