Systems Administrator

Cross Border Talents; Portugal; Remote; EUR 32,000 - 52,000; Full time

Benefits offered by this job

Fully remote work available

English lessons provided

Job summary

Cross Border Talents is seeking a skilled Systems Administrator to join our Infrastructure Team in Portugal. You will manage a mix of physical and virtual infrastructure, ensuring high availability and scalable design while collaborating with developers to deliver fast systems.

The role requires 3+ years Linux/UNIX experience, familiarity with AWS, DigitalOcean, Linode, and container technologies. Remote-friendly with on-call duties and ongoing modernization. English skills preferred.

Qualifications

• 3+ years of experience administering Linux/UNIX systems.
• Experience with cloud platforms: AWS, DigitalOcean, Linode.
• Familiarity with containers: Docker, Podman, LXC.
• Understanding of PHP and how to configure it.
• DevOps experience is desirable.
• Networking: HAProxy, ingress, routing, and firewall rules.
• TCP/IP, HTTP, SMTP, DNS understanding for debugging common problems.
• 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.
• Work with development team to design fast, scalable systems.
• Scripting/automation: BASH/sh, PHP, Python, Perl etc.
• Remove performance bottlenecks from current systems.
• Apply and update system upgrades, firmware and infrastructure changes.
• Proactively monitor and manage system health; take corrective actions per SOPs.
• Be available to work outside normal hours to fulfil production and project needs; provide 24x7 on-call support on a rotating basis.

Skills

Linux/UNIX administration

Container technologies (Docker, Podman

Networking (HAProxy, ingress, routing,

PHP language familiarity

DevOps experience

24x7 on-call support

Tools

AWS

DigitalOcean

Linode

Nginx

MySQL

Redis

Varnish

Docker

Podman

LXC

Job description

Systems Administrator

Empresa : Cross Border Talents

Tipo de Emprego : Periodo Integral

Portugal

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.

Responsibilities

• 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.

Qualifications

• 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!