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Technical Support Engineer / Email Security (m/f/d)

Brunnthal b. München DE
Full or part-time
Permanent employee

Your mission

To strengthen our Support Team, we are looking for a service- and solution-oriented professional who enjoys solving technical challenges and providing knowledgeable and friendly support to our customers around our email security solutions.

This position is fully remote – you can work from anywhere in Germany or Switzerland.

Your responsibilities

  • You provide technical support to our customers and analyze and resolve email delivery issues, for example in connection with blacklisting or DNS entries such as MX, SPF, DKIM and DMARC.
  • You support the configuration and operation of our mail server solutions, particularly based on Postfix, and work confidently with Linux servers, ideally Debian/Ubuntu or CentOS/RHEL, via the command line.
  • You also assist end users with basic questions related to Windows operating systems.
  • You use your knowledge of TCP/IP, DNS, firewall rules and basic network services for troubleshooting.
  • You automate recurring tasks and analyze log files, ideally using shell scripts (Bash), and use basic knowledge of relational databases when evaluating customer and system data.
  • You explain complex technical matters clearly and in a customer-friendly way to both technical and non-technical users and carefully document solutions and processes.
  • You actively contribute to the team, share your knowledge with colleagues and proactively participate in joint projects.

Your profile

Your skills

  • Must have: Email protocols (SMTP, DNS), Postfix, Linux command line, troubleshooting email delivery issues (blacklisting, MX/SPF/DKIM/DMARC), networking fundamentals (TCP/IP, DNS, firewall)
  • Nice to have: Bash scripting, basic knowledge of relational databases, basic Windows knowledge

What you bring

  • Completed vocational training in IT, such as IT Specialist for System Integration or Application Development, or a comparable qualification, as well as initial professional experience in IT support, ideally with an Internet Service Provider (ISP) or in a hosting environment
  • Strong analytical problem-solving skills and the ability to remain calm under pressure and draw logical conclusions
  • Excellent written and spoken communication skills in German and English; French is an advantage
  • Strong service and customer orientation with a friendly, patient and empathetic approach, even in challenging situations
  • Understanding of IT security practices, particularly in the context of email security, such as phishing, spam and encryption
  • Team player who enjoys sharing knowledge and is comfortable working remotely and in geographically distributed teams
  • Strong willingness to learn, initiative and a structured, careful way of working with clear prioritization

Why us?

At SEPPmail, you will take on responsibility from day one, working directly with customers and supporting products used by thousands of users across Europe every day. You will continue to develop professionally, deepen your expertise in email security and mail server technologies, and grow alongside our customers’ requirements. As the company continues to grow, you will also have opportunities for personal development and career progression.
  • A role with real responsibility at an established, PE-backed market leader in email security with more than 25 years of experience
  • The opportunity to work from home or remotely as part of a distributed team
  • Short decision-making processes, flat hierarchies and an open, appreciative company culture
  • Plenty of scope for initiative and continuous development in new technologies and internal systems
  • A team that actively promotes knowledge sharing and mutual support
  • Exciting, security-critical products with direct customer value for well-known companies and institutions

About us

For over 25 years, SEPPmail has been developing secure email solutions that reliably protect both content and sender identity while keeping spam and malware at bay – without creating technical barriers for senders or recipients. More than 3,400 customers across industries such as healthcare, energy, finance and insurance, public administration, pharmaceuticals and legal services trust our technology.

With locations in Switzerland and Germany, we combine the reliability of a Swiss Army knife with German precision. Our core values – openness, reliability, appreciation and expertise – shape the way we work together as a team as well as how we interact with our customers and partners.