Linux Administrator (DevOps Support)

What you work on today shapes where you’ll be tomorrow.

Looking for your next challenge as a Linux Admin (DevOps Support)? We may have the right opportunity for you.

At B3, we start with people and their experience. We match projects to your skills and professional growth path. Our consultants work across a wide range of industries and technologies, delivering IT projects both in Poland and internationally. This allows you to build your career in a deliberate way - not by chance.

We are part of an international organization listed on Nasdaq Stockholm, operating in 11 countries. In Poland, we operate with full autonomy. We choose our technologies, processes, and ways of working while maintaining the highest professional standards.

Join us today.

What we offer

• Work in a Scandinavian culture built on logic, trust, and open dialogue.

• Health and sports benefits tailored to your needs.

• Speed Coaching – short sessions designed to provide new perspectives and solutions.

• Sports training, an internal team, and opportunities to take part in competitions.

Position Areas:

• Ensuring stable operation of the on-premise infrastructure supporting firmware engineers - Linux system administration, resource monitoring, and incident response within established SLAs

• Supporting the firmware development team's work with containerized systems and Kubernetes - managing Git repositories and environments used for deploying and running development jobs

• Automating operational processes and supporting API-related tasks - shell scripting, API configuration, Jenkins pipeline handling, and network troubleshooting (firewalls, proxies, SSH)

What you need to join us:

Must have:

• Several years of experience in onprem Operations / System Administration and strong Linux skills (command line, troubleshooting, system maintenance)

• Experience handling tickets/incidents and working within SLAs

• Strong shell scripting and task automation skills

• Basic Jenkins knowledge (running pipelines, job monitoring)

• Knowledge of Docker and Kubernetes (usage and operations, no cluster engineering required)

• Knowledge of Git

• Networking basics (firewalls, proxies, SSH, connection analysis)

• English - B2/C1, Polish - C1+

• Readiness to work in hybrid mode, 1 day/week, office in Warsaw or Łódź

• Ability to work in Poland (citizenship, residence card, visa, etc.)

Nice to have:

• Basic knowledge of cloud topics

• Knowledge of API configuration and making minor changes/integration scripts