Linux Administrator l KL

Key Activities:

• Troubleshooting, problem investigation, monitoring and performance analysis and optimization
• Disaster recovery as well as security management planning
• Continuous optimization suggestions for Engineering of efficient, process-technical concepts
• Customer consulting and support with regard to the services responsible for
• Ensuring internal and external requirements, in particular with regard to regulatory, reporting, compliance and audit, within the scope of the issues under responsibility and using best practices
• Operation, maintenance and maintenance of the infrastructure as well as providing powerful support for relevant systems, data maintenance, reporting and authorization management
• Adherence to security standards and ensure stable operation with respect to products, services processes and systems
• On-call and out of hours support when necessary
• Effective teamwork and proactive communication with internal customers

Education:

• University of Applied Sciences or equivalent professional experience
• At least 5 years of professional experience
• Experience in IT operations; has own responsibility for systems and/or complex processes

Skills and experience required:

• Plan and deploy all RHEL application servers in production based on the defined processes
• Active maintenance and updating of productive systems
• Ensure 2nd and 3rd level support for the responsible IT systems
• Analyze and correct incidents and problems (cancelations, cross-country skiers, vulnerabilities etc.)
• Implement changes and releases in the responsible area
• Documentation of the systems used (Asset Database)
• Technical support of production operations
• Good Red Hat Enterprise Linux (RHEL) Knowledge. RHCA Knowledge Level expected.
• General Cloud Technology Knowledge, (RHEL on Azure, GCP and Google BMS).
• Virtualization - VMware Knowledge
• Familiarity with Python, Git, CI/CD (like TeamCity, Jenkins...), Programming Vendor APIs such as Red Hat Satellite API, Azure, GCP or VMware APIs, MS Defender for Endpoint Linux
• Good knowledge of either Red Hat Ansible, Ansible Automation Platform, SALT, Puppet
• Deploy all RHEL application servers based on the defined processes
• Handle and eliminate the deficiencies identified from the health checks performed
• Middleware components (Tivoli, Backup, Nessus…)
• Security topics (SIEM, Security Patching, PAM)
• Handle MS Defender predefined tasks (Configuration changes, Scan defect resolution, Network failures,..)
• Basic Openshift Administration
• OS Basis Monitoring
• Programming of scripts and batch runs for the automation of the system sequence
• Experience accompanying server migration projects