Systems Administrator

AetherCore

Portugal

Remote

EUR 42,000 - 70,000

Full time

14 days+
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Benefits offered by this job

Fully remote work
English lessons provided
Competitive salary package

Job summary

AetherCore is seeking a talented Systems Administrator to join our Infrastructure Team in a fully remote role based in Portugal. You will manage a mix of physical and virtual infrastructure, work with cutting-edge tech across Europe, and ensure high availability in a high-traffic environment with hundreds of millions of page impressions monthly.

You will collaborate with developers to design fast, scalable systems, script for automation, and continuously optimize performance.

Qualifications

  • 3+ years experience administering Linux/UNIX systems.
  • Experience with cloud platforms: AWS, DigitalOcean, Linode.
  • Container technologies: Docker, podman, LXC, Kubernetes.
  • Understanding of PHP and configuring it.
  • DevOps experience desirable.
  • Networking: HAProxy, ingress, firewall.
  • Knowledge of TCP/IP, HTTP, SMTP, DNS fundamentals.
  • Experience with Nginx, PHP, MySQL, Redis, and Varnish is a plus.
  • Strong communication and time-management skills.

Responsibilities

  • Build, install, configure, upgrade & maintain both physical and virtual infrastructure.
  • Ensure systems are delivered quickly with high availability.
  • Collaborate with development team to design fast, scalable systems.
  • Identify and remove performance bottlenecks in current systems.
  • Apply and update system upgrades, firmware and infrastructure changes.
  • Proactively monitor health and configuration; take corrective actions.
  • Provide 24x7 on-call support on a rotating basis.

Skills

Linux/UNIX administration
Shell scripting
DevOps experience
Communication skills
Time management
Problem solving

Tools

Docker
Kubernetes
Nginx
MySQL
Redis
Varnish
HAProxy
iptables/nftables
PHP

Job description

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.


Requirements


  • 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.


Benefits


  • 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!

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