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Systems Administrator

Cross Border Talents · Portugal · Portugal

Remote Contract Posted Open until 18 Oct 2026
  • Remote Fully remote work available. — job description

The job, in the employer's words

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!

Benefits mentioned

  • • 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!

Requirements mentioned

  • • 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.

No Mondays shows this listing as the employer published it. Check the details on the employer's site before you apply.

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