Systems Administrator

Cross Border Talents; United States; Remote; USD 90,000 - 120,000; Full time

Benefits offered by this job

Fully remote work

English lessons provided

Competitive salary

Job summary

Cross Border Talents is seeking a talented Systems Administrator to join the Infrastructure Team. You will manage a wide range of technologies and help maintain our customers’ platforms, serving high-traffic environments and large publishers across Europe.

The role involves building and maintaining Linux/UNIX systems, working with AWS/DigitalOcean/Linode-like clouds, and implementing containerized deployments with Docker, Kubernetes, Nginx, and related tools.

Qualifications

• 3+ years experience administering Linux/UNIX systems.
• Familiarity with AWS, DigitalOcean and Linode or similar cloud platforms.
• Understanding of containers: Docker, Podman, LXC, Kubernetes.
• Understanding of PHP and how to configure it.
• DevOps experience is desirable.
• Networking: HAProxy, ingress, routing, firewall (iptables/nftables).
• TCP/IP, HTTP, SMTP and DNS troubleshooting.
• Experience with Nginx, PHP, MySQL, Redis, Varnish is a plus.
• Ability to adapt to new technologies and work with multiple developer teams.

Responsibilities

• Build, install, configure, upgrade and maintain both physical and virtual infrastructure.
• Ensure systems are delivered quickly with high availability.
• Collaborate with development teams to design fast, scalable systems.
• Proactively monitor system health and configuration; follow SOPs.
• Provide 24x7 on-call support on a rotating basis.
• Take actions to remove performance bottlenecks and apply updates.

Skills

Linux/UNIX admin

Scripting (BASH, Python)

On-call support

Communication

DevOps concepts

Tools

Docker

podman

LXC

Kubernetes

Nginx

PHP

MySQL

Redis

Varnish

HAProxy

ingress

iptables

firewall

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!