Offensive Security Specialist (m/f/d)

Expected Responsibilities: 

Conducting offensive security activities, including penetration testing and Red Team operations, across web applications, enterprise infrastructure, cloud environments, and industrial systems.  

Planning, executing, and leading advanced penetration tests for:  

• Custom and third-party web applications 

• Complex enterprise applications (e.g., ERP, legacy systems, industrial platforms).

• Cloud-native and hybrid architecture. 

Documenting findings in high-quality technical reports, including:  

• Clear risk ratings 

• Business impact analysis 

• Actionable remediation recommendations 

Presenting results to technical and non-technical stakeholders, including engineering teams, management, and customers.  

Advising on risk mitigation strategies, secure design principles, and defensive improvements. 

Professional Experience & Background 

• Successfully completed university degree in (Business) Informatics, Computer Science, or a comparable IT-related field — or equivalent professional experience. 

• Hands-on experience in:  

• Web application penetration testing 

• Infrastructure and network penetration testing 

• Security testing of complex, business-critical applications 

• Experience working in industrial or chemical company environments is a plus. 

Technical Skills & Knowledge 

• Strong understanding of Windows and Linux client/server environments. 

• Practical experience with cloud platforms, including identity, networking, and cloud-native services. 

• In-depth knowledge and hands-on usage of offensive security tools. 

• Knowledge of secure software development lifecycle (SSDLC) and common vulnerability classes (e.g., OWASP Top 10). 

• Programming and scripting skills are a plus. 

• Experience with Red Teaming, adversary simulation, and attack-chain methodology. 

• Familiarity with source code review and static/dynamic application security testing. 

• Knowledge of OT / ICS security is desirable.