Süd-West-Kreditbank Finanzierung GmbH | Germany | 55xxx Mainz | Permanent position | Full time / Home office | Published since: 07.04.2026 on stepstone.de
IT System Administrator Infra/Ops Linux/Network (Professional) (m/f/d)
Do you want to shape the future in digital banking together with us? Then you are right in our dynamic team! Our structures are slim, the communication paths are short and we are open to each other. With more than 60 years of experience, SWK Bank is one of the most digital banks in Germany. As a direct bank, we are highly specialised in the credit and deposit business. We have also successfully established ourselves as a white label bank (outsourcing company to KWG, MaRisk and DORA). Since the beginning of the digitalization trend, we have grown dynamically: At present, we support 11 banking partners and fintechs in various processes. The managed volume in this segment is approximately EUR 10 billion with its own balance sheet total of approximately EUR 1.5 billion. We are looking for Infra/Ops Linux/Network (Professional) (w/m/d)
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Your tasks • Your profile • What we offer
You take on the operational and further responsibility of our Linux, OpenShift and Network Infrastructure in the productive banking environment You plan, implement and optimize network and container architectures in interaction with IT security, application and DevOps teams You develop automation, monitoring and deployment processes (e.g. Ansible) and ensure compliance Analyze, segment and secure network connections, including routing, firewall and proxy components, and contribute to the continuous curing of the infrastructure You solve complex system and network problems and ensure a stable, scalable and auditable operation You support projects in the introduction of new platform, network and infrastructure technologies and introduce your deep technical know-how You document and optimize operations, security and recovery processes in the sense of stability, efficiency and regulatory traceability
You can present a completed study or training in the IT environment with several years of professional experience in the administration of complex Linux and network infrastructures (e.g. Red Hat Enterprise Linux, Debian). You have deep knowledge of container technologies and are an expert on OpenShift platforms (installation, operation, cluster management, troubleshooting, security & compliance) You have extensive experience in network administration (routing, firewalling, VLAN/VPN concepts, load balancing) and a good understanding of secure, segmented architectures You master scripting and automation (e.g. Bash, Ansible) as well as the safe handling of monitoring and logging systems Experience in operating virtualization and database environments (Postgre SQL) completes your technical profile Experience mi Security-Hardening is a plus You work structured, self-responsibility and keep an overview in complex system landscapes
You expect good career opportunities, a market-oriented salary, flexible working hours, a modern working environment, motivated teams and varied tasks. We also offer you the following benefits: Development possibilities: Training, trade fairs & seminars - individually adapted to you Flexible working hours: Our sliding time control and home office options bring you a real work-life balance Holiday: You have 30 days off - plus Christmas Eve, New Year's Eve & Rosenmontag Joint events: Have fun with us at joint festivals, company runs or business trips Modern office equipment: bright, air-conditioned rooms and ergonomic workplaces for your health Transport connection: Direct motorway connection, free parking, public transport connection in the immediate vicinity Comprehensive incentive package: Sports, Mental Health, Wellness and Family Services
Location
 | Süd-West-Kreditbank Finanzierung GmbH | |
| 55411 Mainz | ||
| Germany |
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