System Administrator DevOps (m/f/d)

Welcome to the health insurance – a strong community of many different people! We use our individual strengths to keep our insurers healthy and healthy. We develop and support each other on this path. Because for us: Better get on together. Overview Employer: AOK Lower Saxony Location: Hannover Application deadline: 20.02.2026 Department: Information Technology (IT) Department: Business Unit Data Center Type of employment: Full-time (38,5 hours) Home Office: up to 80% of weekly working hours

In our data center, you ensure the efficient use of a scalable IT infrastructure based on Kubernetes to support SAP systems and services for partner banks AOK Niedersachen and Bremen/Bremerhaven. To do this, install, configure, customize and test container-based applications (microservices) and infrastructure components and accompany them over their entire life cycle. You analyze and troubleshoot faults and vulnerabilities within the framework of the 2nd level support, develop solution procedures for the 1st/2nd level support and ensure the sustainability of the solutions in meaningful documentation. You take over the installation and maintenance of system-related components and infrastructure services for operating operations. In addition, you optimize the use of logging and monitoring tools to monitor the capacities and performance of the Kubernetes environment and to derive optimization measures from it.

You are studied (economic) informatics/in or trained/informatics with at least 3-year professional experience in the field of work. You are experienced in the administration of Linux systems and the creation of scripts in at least one language (e.g. Bash or Python). You have an interest or first experience in the construction and operation of Kubernetes clusters, container applications and the use of continuous deployment tools (e.g. ArgoCD). Experiences with monitoring and observability tools are also helpful. You are open to occasional travel activities and are flexible in the design of working hours, as work is carried out occasionally on weekends or in the context of willingness to call. You have certain knowledge of German and English (at least language level B2/C1). A structured and solution-oriented approach, as well as an independent and conscientious procedure round off your profile.

Benefit from an appealing remuneration between €67,500 - €81,400 in Group 10 BAT/AOK-New (depending on professional experience) including Christmas and holiday money, plus family-related supplements. Mobile work | With us you can work up to 80% of your working hours, e.g., in the home office. Up to 50 days holiday | Stop your annual holiday from 30 days to 50 days: with our program “Freizeit-Invest”. Christmas Eve and New Year's Eve are unemployed. Work-Life-Balance | Your working performance in full or part time can be provided in a sliding time frame between 6:30 and 20:00. Personal development | We offer you general and professional training in our in-house educational center or online through our digital learning platform. AOK Rente | We pay for you every month in our company pensions with attractive interest. Jobticket | AOK employees receive the German ticket for only 40,- EUR per month. Health grant | You will receive 175,- EUR per year, for example, for your membership in the sports club, in a gym or your bicycle purchase. Bicycle leasing | Benefit from our grant to attractive service leasing at our partner “Lease a bike”. Health promotion | We support your health with various offers, including corporate fitness via our partner Hansefit, a moving break during working hours, ergonomic coaching and diverse business sports groups. Exclusive discounts | We offer you special conditions via our partner “Corporate Benefits”. .