IT Security Engineer (m/f/d)

Your mission

We are seeking an IT Security Engineer (m/f/d) who will play a crucial role in ensuring the smooth operation of our internal IT infrastructure.

Your Responsibilities

• Responsibility for IT security within a complex, international system landscape.
• Operation and further development of endpoint security as well as continuous hardening and monitoring of our client and server infrastructure.
• Monitoring, analysis, and response to security events as well as independent handling of security incidents.
• Conducting vulnerability analyses, deriving necessary measures, and ensuring consistent patch and update discipline.
• Contributing to firewall, proxy, and network security policies; assessment and hardening of interfaces between the network and end devices.
• Active participation within the IT team on administrative tasks and supporting colleagues with general technical issues in day-to-day business.
• Holistic development and implementation of IT security policies according to common standards (e.g., ISO 27001, BSI IT-Grundschutz) and their operational transfer into daily business (e.g., NIS2).
• Leading (sub-)projects in the area of IT security as well as providing advice and technical coaching within the team.

Your profile

• Educational background in an IT or related field.
• Practical professional experience in IT security, or system administration with a strong security focus.
• Solid knowledge of network security (firewalls, VPN, routing) and endpoint security, as well as experience in security operations (monitoring, incident handling, patch management).
• Exceptional analytical skills and a structured approach to problem-solving.
• Structured documentation skills and confident use of security tools and log analysis.
• Good knowledge of frameworks such as ISO 27001 or BSI IT-Grundschutz; an interest in requirements such as NIS2 is a plus.
• High flexibility to adapt to the dynamic nature of a startup environment, combined with a hands‑on mentality and the willingness to support the IT team in general tasks.
• Strong teamwork and collaboration abilities, with a continuous commitment to expanding your knowledge and a readiness to take on new challenges.
• Very good German and English skills (written and spoken).

Benefits

• Attractive compensation package, including a competitive base salary and stock options
• Role in a highly advanced and fast‑growing startup company
• Impactful product promoting better understanding and treatment of cancer
• International team, from over 30 different nationalities
• Positive work environment with open communication and a collaborative mindset
• Onsite work at state‑of‑the‑art facilities with home‑office opportunities
• Indefinite employment contract
• 30 vacation days
• Flexible working hours
• Annual health budget (Allianz bKV)
• EGYM Wellpass
• Relocation support