We are currently looking for a talented and ambitious Systems Administrator to join our Infrastructure Team. As part of the Infrastructure Team you will get the chance to work with a wide array of cutting-edge technologies and help maintain our customers' platforms. We work with some of the largest publishers across Europe and operate in a high traffic environment, handling 100's millions of page impressions each month. • Build, install, configure, upgrade & maintain both physical and virtual infrastructure. • Ensuring that our systems are consistently delivered quickly and with high availability. • Working with the development team to design fast, scalable systems. • Scripting/automation skills: BASH/sh, PHP, Python, Perl etc. • Removing performance bottlenecks from current systems. • Apply and update system upgrades, firmware and infrastructure changes. • Proactively monitor and manage the health and configuration of the system. Takes corrective actions based upon Standard Operating Procedures. • Must be available to work outside of normal business hours to fulfil production and project needs, provide 24x7 on-call support on a rotating basis. Requirements • You must have 3+ years experience administering Linux/UNIX systems. • Familiarity with the various cloud computing platforms, Amazon AWS, DigitalOcean and Linode etc. • Understanding of container technologies: containers (Docker, podman, LXC), Kubernetes • Understanding of the PHP language, how best to set up and configure. • DevOps experience is desirable. • Networking tools/technologies: HAProxy, ingress (containers), routing, firewall (iptables or nftables). • You must understand TCP/IP, HTTP, SMTP and DNS well enough to debug common problems. • We work with a variety of different systems and customers, where creative problem solving is an important skill to have. • We use Nginx, PHP, MySQL, Redis, and Varnish extensively. If you have experience working with any of these platforms, it's a distinct advantage. • Ability to adapt to new technologies. • You will be working with several groups of developers so you must have excellent communication and time-management skills. • Competitive salary package, contingent on experience. • Fully remote work available. • English lessons provided. If you have a Github account, have contributed to open source projects, have a personal project of which you're particularly proud or are currently getting neck-deep in a new tech about which you're really excited, tell us all about it in your cover letter!