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November 3, 2026
Penetration Tester
Mid • Hybrid
Praha, Czech Republic
Quick Facts
Role: Penetration Tester
Focus: End-to-end penetration testing projects across web, mobile, desktop, network/OS, social engineering, and technical audits (cloud/IoT, source-code, red team, threat intelligence)
Description
You will work in a penetration testing team and independently take ownership of projects—from preparing test scenarios, running the tests, and writing the final reports. The work spans multiple types of security assessments across the organization’s key domains, including application, infrastructure, and specialized technical audits. Strong security fundamentals, fast independent vulnerability discovery, and clear communication are essential.
Responsibilities
Independently manage the full penetration testing lifecycle: help prepare test plans/scenarios, execute tests, and write final reports
Perform and adapt to multiple penetration testing types across web, mobile, desktop, network infrastructure, and OS security domains
Communicate effectively: escalate issues promptly and support other team members
Requirements
At least 50 practical penetration testing engagements completed
Solid knowledge and broad understanding of cybersecurity and IT technologies
Ability to quickly learn and independently find security weaknesses
At least basic programming knowledge
Fluent Czech/Slovak and strong English for report writing
Good communication skills
Capability to independently handle an entire project from start to finish
Benefits
Support for professional and work development (training, workshops, conferences)
Performance-based financial bonuses paid twice per year
Financial support for major life events (e.g., marriage, childbirth)
Contribution toward retirement or life insurance
Fully paid meal vouchers
Contribution for sport/culture/leisure time
Referral bonus (“refer a friend”)
Loyalty benefits and extra days off
Option to work from home
Paid sick days when needed
Refreshments (fresh fruit, tea, coffee, non-alcoholic drinks) available daily
Informal, friendly culture with no dress code
Participation in company events
Access to shared “chill out” areas (terrace, billiards, ping-pong, massages)
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