Junior Infrastructure Engineer (operating systems)

soprasteria1· Engineering, Development, Applications
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📍 Katowice📍 Katowice, , Poland📍 plFull time

About this role

Company Description

Sopra Steria is one of the largest players in the tech industry in Europe, known for its consulting, digital services and software development. We operate in nearly 30 countries in the world, hiring more than 55,000 employees.
The Polish branch, as the Global Delivery Center, operates in Katowice since 2007 and has been growing ever since. Currently, our team consists of around 1,000 specialists.

Within the Digital Platform Services department, our teams specialize in areas such as cloud, operating systems, virtualization, databases, backup or storage, as well as networking and security. We also have 1st line support consultants who speak French and English, but also Italian, Spanish, Portuguese and German.

The Application Services department is responsible for areas such as software development, data engineering, testing services, CRM, ITSM and ERP platform integrations, as well as application management for customers in Scandinavia, Benelux, France, Germany, Switzerland and the UK.

Job Description

We are looking for Junior Infrastructure Engineer (operating systems) to join Sopra Steria Polska for a team that supports one of our French clients in the telecommunications industry.

Responsibilities:​

  • Administration and support of Linux and Windows server environments.
  • Monitoring infrastructure and applications to ensure availability, performance, and stability.
  • Incident and problem management (2nd line support), including troubleshooting and root cause analysis.
  • Supporting Kubernetes-based environments and containerized applications.
  • Participating in on-call duties, shift-based support, and collaboration with French-speaking stakeholders.

Qualifications

Must have requirements:​

  • 1-2+ years of commercial experience in a similar Infrastructure, Systems Administration, or Technical Support role.
  • Good knowledge of Linux and Windows operating systems, including administration and troubleshooting.
  • Experience with application administration and application support.
  • Basic knowledge of Kubernetes and containerized environments.
  • Hands-on experience in application monitoring, log analysis, and incident management.
  • Strong troubleshooting and problem-solving skills with a proactive approach to issue resolution.
  • Very good command of French (min. B2) and English, with the ability to communicate effectively in an international environment.
  • Willingness to participate in on-call duties and support activities outside of standard business hours when required.
  • Availability to work in shifts (between 7:00 - 19:00).
  • Strong communication skills and ability to collaborate with cross-functional teams.
  • Ability to document processes, procedures, and technical solutions while sharing knowledge with team members.
  • Proactive, detail-oriented, and eager to learn new technologies.

Additional Information

What we offer: 

- BENEFITS (UoP): Luxmed, Medicover Sport, Worksmile, educational platforms, languages learning platform, referral bonus, copyrights, life insurance, certifications (paid by the company), conferences, Tech Lunches, possibility to join our Communities (Project Management, Architecture, Security, Process Management, Leadership, AI and Cloud), local kindergarten. 

ADDITION: free parking, fresh fruits, workation. 
In case of questions, please contact the HR team. 

The recruitment process for this position consists of two stages:
• a short phone call with a recruiter (30 min max)
• one-hour long interview on Teams (with both general and technical questions)

Salary range:
All information about salary range and its additional components will be provided during the 1st stage of recruitment process.

At our organization, we are committed to fighting against all forms of discrimination. We foster a work environment that is inclusive and respectful of all differences.

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Frequently Asked Questions

Is the salary disclosed for the Junior Infrastructure Engineer (operating systems) position at soprasteria1?
The salary for this Junior Infrastructure Engineer (operating systems) role at soprasteria1 is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Junior Infrastructure Engineer (operating systems) position at soprasteria1 located?
This Junior Infrastructure Engineer (operating systems) role at soprasteria1 is based in Katowice, Katowice, , Poland, pl. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Junior Infrastructure Engineer (operating systems) role at soprasteria1 full-time or part-time?
This is listed as a Full time position. It is posted as a Junior Infrastructure Engineer (operating systems) role in the Engineering, Development, Applications department at soprasteria1.
Which team or department does the Junior Infrastructure Engineer (operating systems) at soprasteria1 belong to?
This Junior Infrastructure Engineer (operating systems) position is part of the Engineering, Development, Applications department at soprasteria1. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Junior Infrastructure Engineer (operating systems) position at soprasteria1?
Click the "Apply Now" button on this page. You will be redirected to soprasteria1's official application portal hosted on smartrecruiters where you can submit your application directly.
When was the Junior Infrastructure Engineer (operating systems) job at soprasteria1 posted?
This Junior Infrastructure Engineer (operating systems) position at soprasteria1 was posted on Aug 10, 2026. Apply as soon as possible — early applications are often reviewed first.
Junior Infrastructure Engineer (operating systems)
soprasteria1
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