Senior Penetration Tester (m/w/d)

Essen, North Rhine-Westphalia, Germanythyssenkrupp AG


Type of contract:Full-time, Permanent
Experience level:Professionals
Remote work:Hybrid
Job field:IT
Status:Ongoing recruitment, entry date flexible
Posting date:2026/08/12
Job number:DE_RS_18509
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Your responsibilities

  • Als Senior Penetration Tester (m/w/d) sind Sie verantwortlich für die Identifikation und Untersuchung von Sicherheitsschwachstellen bei thyssenkrupp
  • Sie interagieren mit internen Kunden, um deren Anforderungen an die Tests zu ermitteln
  • Darüber hinaus setzen Sie geeignete Methoden, Skripte und Tests ein, um die Effizienz und Wirksamkeit der Penetration Testing Tools kontinuierlich zu verbessern
  • Auch die Unterstützung des Vulnerability Management und anderer sicherheitsrelevanter Projekte zählt zu Ihren Aufgaben
  • Sie erstellen Berichte und Lösungsempfehlungen, um erfolgreiche Angriffe zu verhindern

Your profile

  • Sie verfügen über ein abgeschlossenes Studium der Informatik oder eine vergleichbare Qualifikation sowie über mehrjährige Berufserfahrung im Bereich Penetration Testing von Webanwendungen/ Infrastrukturen
  • Außerdem bringen Sie Erfahrung in Red Teaming und Quellcode-Analyse sowie fundierte Kenntnisse des OWASP Testing Guide (z.B. XSS, CSRF, Session Hijacking) mit
  • Sie haben bereits mit den einschlägigen Sicherheitstools wie Wireshark, Bettercap, Nessus, Burp Suite, Metasploit gearbeitet und verfügen über Skripting-Kenntnisse (z. B. Python, Bash, Ruby)
  • Sie verfügen über die Fähigkeit zu kritischem Denken, um große Datenmengen zu identifizieren, zu sammeln, zusammenzufassen und auszuwerten sowie logische und umsetzbare Schlussfolgerungen zu ziehen
  • Kenntnisse in der Sicherheitsbewertung und dem Testen von KI-basierten Anwendungen sowie praktische Erfahrung im Umgang mit KI-gestützten Tools sind von Vorteil
  • Weiterhin zeichnen Sie sich durch eine ausgeprägte Problemlösungskompetenz aus
  • Sehr gute Kenntnisse der deutschen und englischen Sprache in Wort und Schrift runden Ihr Profil ab

Your benefits

Für uns ist es selbstverständlich, Ihnen optimale Rahmenbedingungen zu bieten. Dazu gehören unter anderem:

  • Ein dynamisches, internationales Arbeitsumfeld mit attraktiven Arbeitsbedingungen und Sozialleistungen
  • Flexible Arbeitszeiten, einen optimalen Ausgleich zwischen Beruf- und Privatleben sowie vielfältige Gesundheitsförderungsprogramme
  • Zahlreiche individuelle, fachliche und persönliche Entwicklungsmöglichkeiten sowie globale Karrierechancen

Kollegiale Zusammenarbeit und Respekt im Umgang miteinander – das finden Sie bei uns seit über 200 Jahren. Wenn Ihnen das genauso wichtig ist wie uns, dann bewerben Sie sich jetzt!

Contact

thyssenkrupp Services GmbH

Nina Vogel

HR Business Partner

+49 162 691 7675

Firmen aus der Branche Personalvermittlung bitten wir höflichst, von Anfragen abzusehen.

Important to us

Health and Wellness

Health & Safety

Highest health & safety standards and a wide range of health promotion and healthcare activities.

Highest health & safety standards and a wide range of health promotion and healthcare activities.

Pension and Retirement

Pension

We have various financial models to give you individual support.

We have various financial models to give you individual support.

Collaboration and Teamwork

Collaboration

Collegiality is of huge importance – we treat everyone with respect and appreciation.

Collegiality is of huge importance – we treat everyone with respect and appreciation.

Professional Development

Development

Training and education programs to help you develop professionally and personally.

Training and education programs to help you develop professionally and personally.

Compensation and Salary

Compensation & benefits

Fair working conditions and competitive pay are an important basis for us.

Fair working conditions and competitive pay are an important basis for us.

Diversity and Inclusion

Diversity

We promote an open and tolerant work culture.

We promote an open and tolerant work culture.

Work-Life Balance

Work-Life Balance

Work-Life Balance: we guarantee regular working hours to support work-life balance.

Work-Life Balance: we guarantee regular working hours to support work-life balance.

Creative and Innovation

Creative leeway

We offer a work environment in which you can try out new solutions in a no blame culture.

We offer a work environment in which you can try out new solutions in a no blame culture.

Vacation and Time Off

Vacation and paid time off

Vacation and paid time off: Paid vacation, sick leave and personal days.

Vacation and paid time off: Paid vacation, sick leave and personal days.

Sustainability and Environment

Sustainability

We act with responsibility and environmental awareness. We support sociopolitical initiatives and focus on resource efficiency.

We act with responsibility and environmental awareness. We support sociopolitical initiatives and focus on resource efficiency.

Onboarding and Training

Onboarding

Onboarding: individual and personal support to help you get started in your new job.

Onboarding: individual and personal support to help you get started in your new job.

We value diversity

Wir wertschätzen Vielfalt und begrüßen daher alle Bewerbungen – unabhängig von Geschlecht, Nationalität, ethnischer und sozialer Herkunft, Religion/ Weltanschauung, Behinderung, Alter sowie sexueller Orientierung und Identität.

Company

From receiving your documents to acceptance: the application process

Step 1

Online application

Have you found an interesting vacancy? Then apply online. You won’t need more than 10 minutes. The entire application process – from initial contact to response – usually takes between four and six weeks.

Step 2

Receipt of your application

You will receive confirmation that we have received your application – within a few minutes if you apply online; it may take a couple of days if you apply by email. Our recruiters check your application documents and get in touch with you. For some positions we will conduct a preliminary telephone interview with you.

Step 3

Review by functional department

Our recruiter submits a preliminary selection of candidates to the specialist department for consideration. The department will then look closely to check whether your qualifications meet the requirements of the job.

Step 4

Interview

If you are a suitable candidate for the job, we’d like to get to know you personally in an interview with the specialist department and HR. If you or we need more time, we'll invite you to a second interview.

Step 5

The offer

Once we have agreed the contractual details, we will send you an employment contract. We will of course also let you know if your application is not successful.

Step 6

Starting out with us

Finally the time has come: welcome to thyssenkrupp!

Step 7

Onboarding

When you sign your contract you take your first step into one of the world’s biggest companies. We’re there to support you – right from the start.

Notes on application

You will have submitted your online application to thyssenkrupp in no time! As long as the position is available on our career page, you have the opportunity to apply.

We have adapted the application process to the current situation and conduct our interviews by video (not in the U.S.), telephone and also personally - in compliance with the applicable and necessary distance and hygienic rules. You will receive detailed information on this topic from our recruiting experts during the application process, while you can find general information and application tips here finden.

Further information about thyssenkrupp, our products and locations can be found directly on the company website.

We wish you every success with your application and stay healthy!

Join the #GENERATIONTK

Move things forward with us - as colleagues and above all as a team.
Because together we dare to do something new and take things into our own hands.

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