We are seeking an Entry-Level Penetration Tester (Junior Pentester) to support our cybersecurity team in identifying and assessing security vulnerabilities across systems, networks, and applications. This role offers hands‐on experience in offensive security practices and operates under the guidance of senior penetration testers. You will contribute to strengthening the organization's security posture by simulating real‐world attack scenarios and supporting remediation activities.
Key Responsibilities
Conduct and support vulnerability assessments and penetration testing engagements across networks, systems, web applications, and cloud environments
Identify, validate, and document security vulnerabilities and misconfigurations
Assist in developing proof‐of‐concept (PoC) exploits and attack simulations
Prepare clear and structured reports detailing findings, impact, and remediation recommendations
Collaborate with IT, DevOps, and security teams to track remediation activities
Maintain and configure penetration testing tools (e.g., Nmap, Burp Suite, Metasploit)
Stay up to date with emerging threats, vulnerabilities, and offensive security techniques
Qualifications
Degree in Computer Science, Cybersecurity, Information Technology, or a related field
At least one recognized penetration testing certification (CEH, OSCP, CompTIA PenTest+, GPEN)
Basic understanding of:
Networking protocols (TCP/IP, DNS, HTTP)
Linux and Windows operating systems
Internship or hands‐on lab experience in penetration testing
Participation in CTFs (Capture the Flag) or bug bounty programs
Familiarity with cloud environments (Azure, AWS), security frameworks (e.g., OWASP, NIST) and penetration testing tools (Nmap, Burp Suite, Metasploit, Wireshark)
Understanding of vulnerability scanning and exploitation concepts
Basic scripting skills (Python, Bash, or PowerShell)
Understanding of common attack techniques (e.g., reconnaissance, privilege escalation)
Strong analytical and problem‐solving abilities
Strong attention to detail when identifying vulnerabilities
Willingness to learn and adapt in a fast‐evolving threat landscape
Ability to work both independently and as part of a team
Advanced English level (C1)
Additional Information
To ensure your work‐life balance, we offer the option of mobile working
We promote your professional and personal development through individual training and further education at the Drees & Sommer Academy
We support your health with a bonus for sports enthusiasts. We offer the possibility of subscribing to a private health insurance policy
Employees benefit from tax advantages related to their commuting expenses for the office
Fiscal advantages for employees expenses in meal costs during the worktime. Employee referral program with attractive bonus scheme
Supporting career and family by receiving tax benefits for kindergarten expenses
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