Your Key Responsibilities:
* Manage and maintain the Public Key Infrastructure (PKI) and signing environment according to regulatory frameworks and standards.
* Coordinate and assist external audits of the environments in conjunction with the Information Security Officer (ISO).
* Provide second-level and development team support for troubleshooting and implementing new releases.
* Perform third-level troubleshooting and incident management, including on-call duties, log analysis, and communication with vendors.
* Participate in on-call/pikett duty rotations.
* Administer Linux servers (RedHat), deploying patches, updates, and maintaining standard virtualization.
* Develop and implement automation strategies, utilizing tools like Puppet and Ansible for deployment and configuration management.
* Maintain security best practices, ensuring the integrity and confidentiality of data.
* Operate applications efficiently.
* Collaborate with external teams to achieve shared objectives.
* Oversee hardware management, including installation, maintenance, and component exchange.
About You:
* You are a seasoned Senior Security & System Engineer with several years of experience, including expertise in Linux server management (RHCE or equivalent).
* You possess experience working within a regulated environment.
* You have a solid understanding of PKI, HSM, and electronic signatures.
* You excel at troubleshooting, with strong skills in log analysis, third-level support, and incident management.
* Nice-to-have skills include knowledge of TCP/IP, Web application firewalls, Automation, deployment, and configuration management, as well as experience with Web/application servers.
* Proficiency in English (B2-C1 level) is required, with German language skills being an asset.