Job
In this role, you collaboratively enhance mail systems, operate Linux-based platforms, and optimize security standards for email services, including Postfix and Dovecot, while automating processes with Ansible.
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Job technologies
Your role in the team
- You and your team are responsible for the operation and further development of an email product composed of various components.
- You collaboratively create the roadmap and independently develop the product as well as individual components - for example, Postfix, Roundcube, Dovecot, FortiMail, and Cisco ESA.
- Operations, Design & Optimization: Administration, design, and maintenance of modern email platforms in cloud, hybrid, and on-premise environments. This includes especially Linux-based systems (Postfix, Dovecot) as well as FortiMail.
- Containerization & Automation: Deployment and management of mail services in Podman containers as well as process automation using Ansible.
- Product & Platform Management: You will be responsible for the strategic development and management of solutions focusing on FortiMail, as well as Linux-based Dovecot & Postfix systems.
- Mail Security, Reputation & Compliance: Implementation of security standards to protect against spam and phishing, as well as enforcement of content compliance rules. Fine-tuning of Rspamd (neural learning, Bayes training, Redis integration), DKIM signing, DMARC policies (violation resolution), and email encryption such as TLS, PGP/S.MIME.
- Consulting: In-house consulting and technical advisory for internal stakeholders.
- Monitoring & Support: Resolution of complex disruptions through a structured approach, log analysis, and performance assurance within the scope of 3rd-level support, including technical documentation.
Our expectations of you
Education
- A completed apprenticeship as an IT specialist for system integration or a completed (computer science) degree as well as extensive professional experience in an enterprise environment.
Qualifications
- Deep-dive knowledge of Fortinet, Postfix (routing, mail interfaces), Dovecot (IMAP/LMTP, Sieve filters, ACLs, quotas).
- Detailed understanding of SMTP, IMAP, POP3, DNS (DNSSEC, SPF, DKIM, DMARC) as well as firewalls and header integrity.
- Strong analytical skills, a structured way of working, high security awareness, as well as good German and good English skills.
Experience
- Several years of in-depth experience in Red Hat Enterprise Linux (RHEL) administration and proficient command of Podman (pods, networking).
- Basic knowledge of scripting and AI for automation, as well as experience with Cisco ESA (Email Security Appliance), Kubernetes, and Python.
Benefits
Work-Life-Integration
Health, fitness & fun
Topics you will work on
Job locations
About your employer
The Schwarz Group, based in Neckarsulm, is a significant German conglomerate and one of the largest retail groups in Europe. It operates over 13,900 stores under the brands Lidl and Kaufland and employs around 575,000 people.
- Established Company
- Onsite, Hybrid, Full Remote
- Trade
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