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Senior Linux Engineer (M/K)
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Offer summary

(Summary generated by AI based on the full job description)

The project focuses on application migration involving Linux administration and configuration (RedHat, Oracle Linux). Technologies include JBoss, Tomcat, Apache, OHS, WildFly, Spring Boot and automation tools Rundeck, Ansible. Responsibilities cover server build, configuration, troubleshooting, performance monitoring, and technical documentation. Required expertise includes advanced Linux administration, PKI, PGP, IP network management and scripting (Bash, Python).

Senior Linux Engineer (M/K)

Company: Experis

from: 28 July 2026
to: 27 August 2026
salary not specifiedB2B contract (full-time)
Offer parameters
level:senior
working mode:full office
location:Warszawa, Masovian
Warszawa, Masovian

Requirements

Expected technologies

RedHat
JBoss
Tomcat
Apache
OHS
WildFly
Spring Boot
Rundeck
Ansible
Bash
Python

Operating system

Linux

Our requirements

  • Administration, configuration, and maintenance of Linux server environments (RedHat, Oracle Linux)
  • Experience with application servers, including: JBoss, Tomcat, Apache, OHS, WildFly, Spring Boot
  • Hands-on experience with automation tools: Rundeck, Ansible
  • Ability to design and maintain server infrastructure ensuring high availability, performance, quality, and security
  • Strong expertise in: advanced Linux system administration, cryptography concepts (PKI, PGP), IP network management, scripting (Bash or Python)
  • Ability to quickly understand complex infrastructure landscapes
  • Strong analytical skills and the ability to solve problems efficiently

Optional

  • RHCE certification

Your responsibilities

  • Perform Linux engineering tasks within the application migration stream
  • Collaborate closely with Application & Middleware teams to support BAU and project-related activities
  • Work with Project Managers on environment build, testing, and migration activities
  • Prepare and execute infrastructure-related tasks such as server builds, configurations, access requests, and troubleshooting blockers
  • Diagnose and resolve technical issues across Linux-based systems
  • Monitor system performance, reliability, and stability
  • Create and maintain high‑quality, up-to-date technical documentation (e.g., Confluence)
  • Work effectively with SMEs from different countries and support knowledge sharing within the team
Company

Recruitment for

For our client we are looking for candidates for the position of Senior Linux Engineer – Data Center Migration Project.
Location: Warsaw
Work model: On-site (5 days per week)
Role Overview
We are looking for an experienced Senior Linux Engineer to join a major application migration initiative that is part of a large-scale data center migration program. The applications involved support critical business processes related to payment card acceptance, acquiring, and issuer processing.
The Linux operating system is the core platform for key transaction authorization and processing systems. It serves both as the environment for closed application systems and as the layer where essential application functions are executed.

Experis

Experis jest globalną firmą doradztwa personalnego, adresowaną do specjalistów i kadry zarządzającej w obszarze IT. Wykorzystując potencjał kandydatów zapewniamy im wszechstronny rozwój zawodowy, łącząc ich z wiodącymi na rynku pracodawcami. Każdą technologię można kupić, ale prawdziwą wartością w biznesie są ludzie. Pozwól nam pomóc w rozwoju Twojej zawodowej przyszłości.
Agencja zatrudnienia nr 412.
Senior Linux Engineer (M/K)
I apply to:
Experis
Warszawa, Masovian
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