Job
In this role, you will manage middleware components like Kafka, Keycloak, and Elasticsearch, administer virtualized Linux systems, and automate processes using Ansible while providing project support and consulting services.
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Job technologies
Your role in the team
- An experienced system administrator is sought to support projects involving the operation of new middleware components (Kafka, Keycloak, Elasticsearch, Prometheus), some of which run in a cluster.
- The role also includes supporting the team in administering production systems at central and decentralized locations, as well as maintaining extensive test infrastructures.
- Installation, configuration, and administration of virtualized Linux systems (SLES 15 on VMware).
- Performing upgrades, patches, and migrations.
- Creating scripts, particularly to automate tasks—preferably using Ansible.
- Conducting problem and error analysis.
- Provisioning of middleware components (mentioned above, as well as Apache, Tomcat, JBoss, and Spring Boot).
- Covering early shifts (from 7:00 a.m.) and late shifts (until 6:00 p.m.).
- Provision of consulting services, including project work and advice on the further development and transformation of server farms.
- Development of concepts.
- Documentation of all required tasks and processes.
- Conducting workshops to share knowledge.
Our expectations of you
Education
- Completed university degree in computer science or natural sciences, or an equivalent qualification (e.g., vocational training as an IT specialist or similar, combined with several years of relevant work experience).
Qualifications
- Excellent command of German, both spoken and written (native speaker or C2 level according to the Common European Framework of Reference for Languages).
Experience
- At least 4 years of hands-on experience administering VMware ESX/ESXi.
- At least 4 years of hands-on experience administering Linux servers.
- At least 3 years of hands-on experience administering middleware: Kafka, Keycloak, Elasticsearch, Prometheus, Tomcat, JBoss, Spring Boot.
- At least 2 years of hands-on experience in update and patch management for middleware components.
- At least 4 years of hands-on experience in shell programming and developing small administrative utilities.
- At least 3 years of hands-on experience in analyzing, assessing, and resolving issues on Unix or Linux servers.
- At least 2 years of hands-on experience with TCP/IP networks (routing, server firewalls, etc.).
- At least 2 years of hands-on experience in monitoring, particularly with Icinga software.
- At least 2 years of hands-on experience working with hardened, highly available production systems.
What we offer
- Project locations: Kaarst and Hilden / Remote (regular on-site attendance of at least 1–2 days per week is required).
- Start date: 04.01.2027.
- Duration: 18 months.
- Volume: 250 person-days.
Benefits
Work-Life-Integration
Health, fitness & fun
Topics you will work on
Job locations
More about the recruiting agency
mindheads GmbH is an independent company specializing in IT and personnel services, offering a wide range of services including the recruitment and placement of IT experts and executives, as well as planning and implementing IT infrastructure and software solutions.
- Recruiting Agency
- Onsite, Hybrid, Full Remote
- Internet, IT, Telecommunication
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