Senior Systems Administrator — Remote, Cloud & DevOps

Cross Border Talents

Portugal

Remote

EUR 32,000 - 52,000

Full time

2 days ago

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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.