Operations Engineer / System Administrator (f/m/x) (englisch)

CrefoPayment GmbH & Co. KG, based in Berlin Steglitz, is dedicated to providing merchants with a reliable solution to accept payments with all common payment methods, both in e-commerce and via POS. We collaborate with the Creditreform corporate group, one of the leading international suppliers of economic information and dunning services. By combining innovative strategies with cutting-edge technologies, we provide our customers with bespoke risk- and payment control, whilst offering an end-to-end solution at a fair price. We realize this by constantly improving our high-performance processing platform with unique fraud-prevention methods, making use of the full range of services offered by the Creditreform corporate group and through our professional, service-oriented team.



  • A full-time position as Operations Engineer / System Administrator
  • A motivated international team living a professional yet open company culture
  • A working environment with flexible processes and a high personal responsibility
  • A chance to play an active role in further shaping of our processes and a successful company


  • Maintenance and improvement of the Linux based AWS production environment as well es the process to deploy updates.
  • Maintenance and improvement of office and home office environments (Windows / Mac / Linux)
  • Proactively monitoring and maintaining Windows/Linux servers and clients.
  • Analyse logs and reports (including event logs, vulnerability scanner reports) and take corrective actions or collaborate with the appropriate departments to ensure risks are managed and mitigated
  • Produce accurate documentation (network diagrams, software inventories, incident response reports)
  • Audit systems – including integrity, interactions, access and permissions
  • Perform installation/testing/troubleshooting of new configurations/security solutions to ensure suitability
  • Proactively monitor system and software usage – promote security by default and highlight any areas of weaknesses that are observed in the conduct of day-to-day operations



  • Passion for IT security and a desire to progress career in the area
  • Strong interpersonal skills to help encourage a security aware culture
  • Demonstrable experience of working unsupervised and being accountable for own work
  • Willingness to learn and improve
  • Understanding of AV/firewall technologies
  • Windows domain/client administration skills (including account management, GPO, permissions)
  • Experience of using/maintaining Linux
  • Experience with Amazon AWS services and technologies
  • Experience with Database technologies like MySQL, MongoDB and Elasticsearch
  • Functional understanding of networking (IP’s, DHCP, Subnets) and common protocol usage (TCP/IP, UDP, HTTP(s), FTP, SSH etc.)
  • Fluent in English


  • Experience with Puppet and Terraform
  • Experience with Docker, Jenkins and Nexus
  • Experience with penetration testing/exploitation tools
  • Experience of auditing systems
  • Experience of working in a regulated environment including PCI DSS
  • Low level networking knowledge (ARP, Handshakes, Denial of service techniquees)
  • Degree or higher education within a computer-oriented subject



If we have caught your attention, we look forward to receiving your application (cover letter and C.V.) to bewerbung@crefopay.de.

Your contact: Uta Herzog

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