Senior Linux Engineer

Admin

Senior Linux Engineer

Admin
al. Jana Pawła II 22, Warsaw

Be | Shaping the Future Poland

Freelance
B2B
Senior
Remote

Job description

We are looking for an experienced Senior Linux Engineer to design, operate, and support enterprise Linux systems in a production environment. The role involves system administration, automation, security hardening, and operational support, with close collaboration across infrastructure, security, and application teams.

The ideal candidate has strong hands‑on Linux experience, a deep understanding of system reliability and security, and the ability to work effectively in business‑critical environments.


Responsibilities:

  • Design, build, operate, and support enterprise Linux platforms in on‑premises and cloud environments (GCP, Azure)

  • Ensure system stability, availability, performance, and security across production and non‑production systems

  • Perform regular patching and hardening of Linux systems and ensure compliance with internal standards and industry best practices

  • Implement, maintain, and improve automation and Infrastructure as Code (IaC) solutions

  • Support BAU / Run operations, including incident management, troubleshooting, and root‑cause analysis

  • Participate in change management, upgrades, patching, and lifecycle management activities

  • Collaborate with security, network, storage, and application teams to resolve complex technical issues

  • Participate in audit and compliance activities, providing required technical documentation and evidence

  • Contribute to continuous improvement initiatives, improving reliability and operational efficiency

  • Participate in an on‑call rotation to support critical systems


Required skills:

  • Strong hands‑on experience as a Linux System Administrator / Engineer in enterprise environments

  • In‑depth knowledge of Linux operating systems (e.g. Red Hat Enterprise Linux, Oracle Linux)

  • Understanding of system hardening and security best practices

  • Experience supporting mission‑critical production systems

  • Proficiency in automation and configuration management, such as:

    • Ansible

    • Terraform (or similar IaC tools)

  • Solid scripting skills (e.g. Bash, Python, or similar)

  • Experience with monitoring, logging, and troubleshooting tools

  • Ability to work under pressure and manage multiple priorities effectively

  • Strong documentation and communication skills

  • Exposure to cloud platforms (GCP, Azure)


Nice to have:

  • Experience with clustered or high‑availability solutions (e.g. Pacemaker, Corosync)

  • Knowledge of DevOps practices and CI/CD pipelines

  • Familiarity with container technologies (Docker, Kubernetes)

  • Relevant certifications (e.g. RHCSA, RHCE, RHCA, or equivalent)


Our offer:

  • Competitive remuneration on B2B contract

  • Option to activate Medicover and Multisport on preferential terms

  • Access to Mindgram – mental health & well-being platform

  • Free gym at Q22

  • Personal development – internal online / onsite DevTalks

  • Referral bonus program

  • International environment

Tech stack

    English

    C1

    Linux

    advanced

    IaC

    advanced

    Cloud

    advanced

    Red Hat Enterprise Linux

    advanced

    Oracle Linux

    advanced

    Scripting

    advanced

    monitoring

    advanced

    Troubleshooting

    advanced

    System hardening

    regular

Office location

Published: 13.01.2026

About the company

Be | Shaping the Future Poland

Jesteśmy polskim oddziałem Be | Shaping the Future – uznanej europejskiej firmy doradczej w obszarze zarządzania, biznesu i technologii, skoncentrowanej na sektorze usług finansowych.

Company profile

Senior Linux Engineer

Summary of the offer

Senior Linux Engineer

al. Jana Pawła II 22, Warsaw
Be | Shaping the Future Poland
By applying, I consent to the processing of my personal data for the purpose of conducting the recruitment process. Informujemy, że administratorem danych jest Be Shaping the Future Sp. z o.o. z siedzibą w Warszawie (00-133), ul. przy Al. Jana Pawła... MoreThis site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.