About Roq.ad
We are building a global identity resolution system for the open Internet. We use our
Machine Learning algorithm to analyse dozens of terabytes of data daily and predict device
profiles for hundreds of millions of people.
We started out in 2015 in Berlin and Poznan. Then, we opened our office in Vilnius and
London. In 2020 we started to conquer the United States, from San Francisco. We seek
engineers to join our technical hub in Poznan, Poland.
We are looking for an experienced System Admin & Security Specialist to join our team. With
a high degree of responsibility, you’ll play an active role in helping shape this large digital
advertising market in Europe and the wider future of Roq.ad. The candidate will play an
active role in our future and work with us either remotely or from one of our hubs in the US.

Your responsibilities
● Configure, maintain and update hundreds of servers in our clusters
● Help to design and implement scalable and highly available systems
● Ensure uninterrupted working of the administered systems
● Support developers with your operating system knowledge
● Automate boring parts of systems’ administration
● Care of our infrastructure’s security
● Document and collaborate in WIKI, JIRA & GitHub.

What we expect from you
You must have the following:
● Problem solving attitude and love for automating things
● Understanding of Linux operating system on an advanced level
● Practical experience with AWS
● Practical knowledge of bash, Python, Go or other scripting language
● Practical experience with Chef, Puppet or Ansible
● Ability to rapidly learn new technologies
● Knowledge of REST architectural style and HTTP protocol
● English (read and write documentation)

Optional, but works in your favour:
● Knowledge of the following technologies: Apache Kafka, Apache Spark, Redis,
Avro, Apache Parquet, Hadoop, Akka, Spray, JavaScript, Kubernetes
● Experience in non-blocking asynchronous architectures
● Deep understanding of JVM (memory management and garbage collection, Java
memory model, concurrency, etc.)
● Fluency in English
What we offer
● Work with an extremely motivated and skilled team of top performers
● A competitive salary
● Hardware and software of your choice (laptop machine with Linux, OSX or
Windows, external monitor, IntelliJ IDEA, etc.)
● Conference budget
● Company team building retreats in attractive locations

Send your application with CV attached to [email protected]