Senior Linux Administrator - Hybrid (Kubernetes/Docker)

Sii Sweden AB; Łódź; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Hybrid Office

Job summary

Sii Sweden AB is seeking an experienced Linux Administrator to join an international team. You will ensure the stable operation of our system environment and support API-related tasks in an Agile setup.

The role focuses on maintenance, monitoring, incident resolution, and hands-on work with Kubernetes and Docker. Polish residence in Poland and English at B2 level are required, with a Hybrid Office arrangement.

Qualifications

• Minimum 4 years of experience in operating system administration.
• Strong Linux skills, including command line usage, troubleshooting, and system maintenance.
• Basic knowledge of Jenkins, including running pipelines and monitoring tasks.
• Understanding of networking concepts (SSH, firewalls, proxy, connection analysis).
• Very good command of English - B2 level.
• Fluent Polish language skills and residence in Poland required.

Responsibilities

• Ensuring stable operation of our system environment.
• Independent troubleshooting at L1-L2 level and user support.
• Analyzing logs and issues related to system and network.
• Operating container environments (Kubernetes, Docker) at the operational level.
• Supporting API-related tasks, including configuration, small scripts, and minor adjustments.
• Performing system updates, maintenance, and upkeep.
• Handling incidents and processing tickets.

Skills

Linux

Kubernetes

Docker

Jenkins

Networking

English (B2)

Polish (native)

Tools

Jenkins

Git

Docker

Kubernetes

Job description

Sii Sweden AB is seeking an experienced Linux Administrator to join an international team. You will ensure the stable operation of our system environment and support API-related tasks in an Agile setup.

The role focuses on maintenance, monitoring, incident resolution, and hands-on work with Kubernetes and Docker. Polish residence in Poland and English at B2 level are required, with a Hybrid Office arrangement.