WinValue GmbH | Germany | 48xxx Münster | Permanent position | Full time / Home office | Published since: 14.07.2026 on stepstone.de
IT Administrator & IT Security Officer Linux, Private Cloud in Münster (m/f/d)
Since 2003, we have been developing innovative digital solutions that enable damage managers, automotive experts and car retailers to make their work easier, faster and more efficient. Our software runs on our own hardware in our private cloud infrastructure in a colocation data center. From now on we are looking for reinforcement for our team. As an IT security officer, you are also responsible for our company-wide IT security. As an IT administrator, you enter our entire infrastructure. .
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Your tasks • Your profile • What we offer
As an IT administrator:in you enter our entire infrastructure – completely remotely manageable. This includes the administration of our Proxmox cluster and RedHat Linux-based VMs as well as the further development of architecture. In doing so, you ensure high availability and ensure that our systems run reliably with thoughtful storage and backup concepts. As an IT security officer, you are also responsible for our company-wide IT security: You operate our vulnerability and patch management, our central log management (SIEM) and our Incident Response. You cure servers, clusters and endpoints (Linux, macOS, separated Windows), gradually build our ISO-27001 and SOC-2-readiness and advise our development team on security issues around CI/CD and Secure SDLC.
At least 5 years of professional experience in the administration RedHat-based Linux distributions You have experience in the operation and architecture of private cloud infrastructures and good server hardware knowledge You have profound knowledge of network technologies and high availability You have practical experience with Proxmox, OPNsense and FreeIPA and LDAP You know yourself with storage and backup concepts You bring SecOps experience with: Vulnerability Management, SIEM/Log Management and Incident Response You know Endpoint Security for Linux, macOS and Windows You have fun with teamwork and high communication skills You are fluent in German or English in word and writing
Sympathetic and competent colleagues with plenty of room for your ideas Flat hierarchy and fast decision paths An infrastructure you really design yourself – without data center deployments, readiness to call only in exceptional cases Trust, transparency and open communication are particularly important to us when working with you Tools that inspire: strong workstations with three monitors, mobile devices, Linux and more Flexible working hours, Home Office, Mobile work 30 days off A new and modern building with lots of light and space Further training and participation in IT conferences Fixed employment, attractive remuneration and asset-effective performance Thirteenth grade Free fruit, drinks, snacks, monthly vouchers and more Long-term perspectives and opportunities for development And last but not least – a beautiful city: Münster
Location
 | WinValue GmbH | |
| 48153 Münster | ||
| Germany |
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