(Senior) Penetration Tester & Security Consultant

• Vollzeit

Westpreußenstraße 32-38, 47809 Krefeld

ab sofort

ID: 5056

We do everything we can to make the lives of pets and pet parents easier, better and happier: Happier Pets. Happier People. We achieve this because we know our customers better than anyone else - because we are pet friends like them. This mindset has made us Europe's number one in pet supplies - a position we are determined to strengthen. That's why we are looking for people who take responsibility, think boldly, and want to grow with us. Do you want to shape the future of retailing? Welcome to Fressnapf!

Das bewegst du bei uns

• In this role, you will perform internal penetration tests independently and take over the technical coordination as well as the scoping of external security assessments.
• You will validate and verify discovered vulnerabilities within the Vulnerability Management framework to determine their actual exploitability and prioritize them based on real business risk.
• Following successful remediation by the responsible teams, you will independently conduct structured retests to ensure that the security findings are sustainably resolved.
• As part of Purple Teaming activities, you will purposefully simulate modern attacker techniques and work closely with the Detection & Response team to verify and continuously improve the effectiveness of existing SIEM, EDR, and monitoring controls.
• You will support new systems, critical architectures, and major infrastructure changes before they go live by conducting thorough security reviews and threat modeling.
• Your goal will be to identify potential attack paths and structural security weaknesses early on, effectively preventing them from becoming operational risks.
• Acting as a key sparring partner, you will collaborate cross-functionally with teams across Detection & Response, Vulnerability Management, Incident Management, IT, and Engineering to turn findings into real security improvements.
• You will actively drive the sustainable establishment and strategic development of our internal offensive security capability, directly shaping the overall security maturity of the company.

Das bringst du mit

• You bring a deep understanding of infrastructure, cloud, and identity security, along with solid hands-on experience in web and API penetration testing according to established frameworks like OWASP.
• In your daily work, you are proficient with standard security tools such as Burp Suite, Nmap, BloodHound, PingCastle, and Git, and you possess strong scripting skills.
• Ideally, you hold recognized offensive security certifications such as OSCP, PNPT, CRTO, GWAPT, or possess a comparable practical qualification such as a BSI IT-Grundschutz Practitioner or Consultant.
• You have proven technical experience reviewing and testing complex environments, including Linux, Windows, Powershell, and Active Directory architectures.
• Experience working within German or European regulatory environments, such as ISO 27001, BSI IT-Grundschutz, TISAX, KRITIS, or NIS2, is considered a strong plus.
• You are characterized by strong documentation and reporting skills, enabling you to structure complex technical findings clearly and track them effectively for all stakeholders.
• Fluent German language skills as well as excellent English skills are required to ensure seamless and precise communication across all internal and external interfaces.

Das bekommst du von uns

• Your freedom: pro rata mobile working and flexible working hours
• Your team: open, familiar, appreciative culture including team events
• Your environment: dynamic, innovative and agile working environment
• Your role: high level of personal responsibility and freedom to implement your ideas
• Your development: regular trainings and seminars in our academy
• Your four-legged friend: dogs are welcome in our offices (campus)
• Your health: numerous offers for preventive care, fitness, Yoga@work, etc.
• Your benefits: employee discounts, company leasing bikes, company pension plan and much more

Weitere Informationen

Does the job advertisement sound interesting to you?

Then apply now! Together with your passion, we can make a big difference to make the coexistence of people and animals easier, better and happier.

This position will be filled at Fressnapf Tiernahrungs GmbH within the Fressnapf | Maxi Zoo Group.

Noch mehr Gründe, ein Teil von uns zu werden

Bei uns stehen, neben Kund:innen und ihren Tieren, unsere Mitarbeiter:innen im Mittelpunkt unseres Handelns. So wie du dich als Partner:in unserer Kund:innen verstehst, stehen auch wir als Arbeitgeber an deiner Seite - und tun einiges dafür, dass du dich in der Fressnapf-Familie wohlfühlst und weiterentwickeln kannst.

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Dein Ansprechpartner

Oscar Koning

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Ein Anspruch auf ein Vermittlungs- oder Beratungshonorar entsteht ausschließlich bei vorheriger, ausdrücklich erteilter und schriftlich vereinbarter Beauftragung durch unser Unternehmen. Wird ein Kandidat vorgestellt und zu einem späteren Zeitpunkt eingestellt, ohne dass eine solche vertragliche Grundlage bestand, begründet dies keinerlei Anspruch auf Vergütung, Provision oder sonstige Zahlung.