Senior Penetration Tester Lead

2 days ago


Espoo, Uusimaa, Finland Truesec GmbH Full time

Cybersecurity threats are becoming increasingly sophisticated, making it essential to stay ahead of the curve. At Truesec GmbH, we are dedicated to preventing cyber breaches and minimizing their impact. As a Senior Penetration Tester, you will play a critical role in our Offensive Security Team.

About Us

We are a native cybersecurity company founded in 2005, driven by the purpose of creating safety and sustainability in a digital world. Over the years, we have established ourselves as a trusted partner for organizations worldwide. Our team consists of specialized experts covering the entire spectrum of cybersecurity, including Predict, Prevent, Protect, Respond, and Recover.

Our approach focuses on proactive identification of vulnerabilities, enabling us to work closely with customers to protect them against cyber breaches. As a member of our Offensive Security Team, you will have the opportunity to work with some of the best security specialists in the field.

Your Responsibilities

In this role, you will be responsible for conducting advanced security reviews and penetration tests, as well as leading and driving projects with a colleague. You will manage assignments from start to finish, collaborating closely with customers for initiation meetings and leading the testing process. Additionally, you will guide other colleagues within the project team.

You will analyze security vulnerabilities in enterprise environments, working on projects such as penetration testing of mobile applications, Linux and Microsoft environments, AWS, Google, and IOT/OT or advanced red and purple teaming assignments.

What We Are Looking For
  • Proven experience in penetration testing of enterprise environments.
  • Ability to identify vulnerabilities in Windows and Linux systems.
  • Experience in network-based penetration tests.
  • Experience in credentials extraction and lateral movement.
  • Ability to identify vulnerabilities on mobile applications.
  • Experience in penetration testing of IOT/OT systems.
  • Ability to identify vulnerabilities in cloud environments.
  • Ability to present findings to a non-technical audience.


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