Linux Administrator (f/m/x)

Sii Poland; Łódź; On-site; PLN 120,000 - 168,000; Full time

Benefits offered by this job

Great Place to Work

Centre of internal trainings

Profit sharing

Open and accessible management team

Medical care

Job summary

Sii Poland is seeking an experienced Linux Administrator to join an international team (Germany, Poland, India). You will ensure stable operation of our system environment, monitor performance, and support API tasks in an Agile setting.

Requirements include 4+ years of OS administration, strong Linux skills, Docker and Kubernetes, Jenkins basics, networking know-how, and fluency in English (B2) and Polish with Poland residency.

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

Troubleshooting

Networking

English (B2)

Tools

Docker

Kubernetes

Jenkins

Git

Job description

We are looking for an experienced Linux Administrator to join an international team consisting of members from Germany, Poland, and India. You will be responsible for ensuring the stable operation of our system environment and supporting API-related tasks. The team works in an Agile model, focusing on maintenance, monitoring, and rapid incident resolution.

Your tasks

• 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

Requirements

• 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

Nice to have

• Knowledge of Docker and solid understanding of Kubernetes
• Basic knowledge of GitExperience working in corporate environments

Job no. JOB-9HFUY

Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.

Benefits For You

• Great Place to Work
• Solid financial situation
• Contracts with the biggest brands
• Centre of internal trainings
• Many experts you can learn from
• Open and accessible management team
• Profit sharing
• Passion Sponsorship program
• Regular integration events and trips
• Comfortable and well-equipped offices
• MySii app
• Medical care