Senior QA Engineer

Mirantis; Poland; On-site; PLN 180,000 - 240,000; Full time

Job summary

A leading AI infrastructure company in Poland is seeking experienced QA Engineers to develop testing tools and maintain infrastructure. Candidates should have strong skills in Python and testing methodologies, with a passion for innovation and a collaborative spirit. This role offers a competitive salary and opportunities for professional development in a dynamic environment.

Benefits

Competitive compensation package

Professional development and training

Company outings and hackathons

Qualifications

• 4+ years of experience in testing using Python, developing testing tools.
• Strong knowledge of UNIX or Linux operating environments.
• Good English communication skills (Upper-Intermediate or higher).

Responsibilities

• Develop new and improve testing tooling.
• Maintain testing infrastructure and automate tests.
• Debug and troubleshoot test results.

Skills

Testing methodologies and techniques

Python testing tools

Shell scripting

Virtualization software

UNIX or Linux

Networking concepts

GIT

Jenkins

REST API

English communication skills

Tools

Kubernetes

OpenStack

Public cloud providers

Job description

About Mirantis

Mirantis is the Kubernetes-native AI infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment—on-premises, in the cloud, at the edge, or in sovereign data centers. As enterprises navigate the growing complexity of AI-driven workloads, Mirantis delivers the automation, GPU orchestration, and policy-driven control needed to manage infrastructure with confidence and agility. Committed to open standards and freedom from lock-in, Mirantis ensures that customers retain full control of their infrastructure strategy.

We serve global leaders including Adobe, PayPal, Liberty Mutual, Splunk, and Volkswagen. Learn more at www.mirantis.com.

Responsibilities

• Develop new and improve currently existing testing tooling
• Develop and maintain testing infrastructure and automated tests
• Automation of test results management (storing, archiving, searching, analysis)
• Debug and troubleshoot test results and work with component development teams to analyze them
• Improve the testing procedures in AI project related QA
• Work with geographically distributed international teams on technical challenges and quality improvements

Qualifications

Requirements:

• Strong knowledge of testing methodologies and techniques (functional, non-functional, integration, system, HA & failover, etc.)
• 4+ years of experience in testing using Python, developing testing tools
• Coding abilities using shell scripting
• Experience with virtualization software
• Strong knowledge and experience of UNIX or Linux operating environments
• Knowledge and understanding of networking concepts (OSI model, TCP/IP, etc.)
• Experience with GIT
• Experience with CIS like Jenkins
• Experience with REST API
• Good English communication skills (Upper-Intermediate or higher), both written and verbal
• Motivated and dedicated to learning and collaboration
• Ability to work in a fast-paced environment and learn quickly

Desired

• Experience with virtualization software
• Experience with Kubernetes
• Experience with OpenStack
• Experience with public cloud providers
• Experience with release cycles

Additional Information

• What does Mirantis offer you?
• Work with an established Silicon Valley leader in the cloud infrastructure industry
• Work with exceptionally passionate, talented and engaging colleagues, helping Fortune 500 and Global 2000 customers implement next-generation cloud technologies
• Be a part of cutting-edge, open-source innovation
• Thrive in the high-energy environment of a young company where openness, collaboration, risk-taking, and continuous growth are valued
• Professional development and training
• Attend conferences and working groups
• Company outings, happy hours, hackathons, and tech talks
• Receive a competitive compensation package with a strong benefits plan

It is understood that Mirantis, Inc. may use automated decision-making technology (ADMT) for specific employment-related decisions. Opting out of ADMT use is requested for decisions about evaluation and review connected with the specific employment decision for the position applied for. You also have the right to appeal any decisions made by ADMT by sending your request to [e-mail]. By submitting your resume, you consent to the processing and storage of your personal data in accordance with applicable data protection laws, for the purposes of considering your application for current and future job opportunities.

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