Job Detail

Are you passionate about email security?

Do you work on daily basis with challenges like phishing and spam filtering?

Do you know SMTP, TLS and DNS?

If you are a highly motivated, curious and empathic human being with a strong passion for technology, you might be a good fit for the following open position:

Email SecurityExpert(80–100%)

As an Email Security Expert, you will develop and operate highly scalable and globally deployed email security solutions. You will be part of the core team that develops and shapes email services for our large customer base, constantly having security, quality and monitoring in mind. Specifically, you will work on product integration as well as development of tools and management infrastructure.

The following skills are required for this position:

• Higher education (ETH, university, FH) with a degree in Computer Science or a related field


• Knowledge and experience of email messaging and network securityis crucial for this position


• Knowledge of network protocols and technologies including TLS, SMTP, DNS, DKIM and DMARC


• Experience with Linux or a UNIX-based operating system


• Experience in software engineering with scripting languages (e.g. Bash, Perl, Python) and programming languages (e.g. C, C++, golang)


• Fluent in English and preferably German

Furthermore, we expect you to bring some of the following skills to the table as well as high motivation to acquire new knowledge provided in coached training programs:

• Understanding of internet protocols in general (TCP/IP, HTTP)


• Knowledge of network security concepts and practices


• Knowledge of container and cloud technologies highly advantageous


• Competence to work in a team, as well as individually

Open Systems will offer you interesting challenges in the dynamic and global environment of IT security. You will be based at our office in Zurich (CH) and will get the opportunity to work out of our office in Redwood City (US) for a few months. As part of the Open Systems Mission Control team, you will be sharing operational duties with your colleagues.

We look forward to receiving your complete online application (letter of motivation, CV, diplomas/reference letters/transcript of records. Please note that you need to compress your application into two attachments). For further questions and inquiries about applications, please feel free to contact Helena Grimm at +41 58 100 10 10.