Security expert (m/w/d) - it-security, it

Application Hardening / Security Specialist
We are looking for an experienced Application Security and Hardening Specialist to assess, strengthen, and advise on the security posture of enterprise applications and systems. Working within a complex IT environment, you will play a critical role in identifying vulnerabilities, implementing hardening measures, and ensuring that applications and infrastructure meet industry security standards and compliance requirements.
Conduct comprehensive assessments of application and system security postures, identifying vulnerabilities and areas of risk
Define and implement hardening measures across applications, operating systems, and network components in line with security best practices and compliance frameworks
Support vulnerability mitigation efforts, working closely with infrastructure and development teams to remediate identified risks
Provide expert advisory services on secure configuration, hardening guidelines, and security architecture decisions
Assist in ensuring compliance with relevant regulatory and internal security requirements
Contribute to security awareness and best practice sharing across technical teams
Proven experience in application security, system hardening, or a closely related cybersecurity discipline
Experience conducting vulnerability assessments and supporting remediation efforts in enterprise environments
Solid understanding of network security principles and their interaction with application security
Familiarity with compliance frameworks and regulatory requirements relevant to IT security
Ability to communicate security risks and recommendations clearly to both technical and non-technical stakeholders
Fluent in English ; German is a strong advantage