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Portfolio Jobs

Looking for your next role? Take a look at these exciting jobs at Sapphire Ventures’ portfolio companies. Our Talent team is passionate about connecting you to your dream job!

Principal DevOps Engineer

Mirantis

Mirantis

Software Engineering
Poznań, Poland
Posted on Dec 16, 2025

Company 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.

Job Description

We are looking for an experienced Principal DevOps Engineer to lead the design, implementation, and optimization of customer infrastructure and CI/CD pipelines. In this role, you will collaborate with cross-functional teams to ensure robust system performance, scalability, and security. You will also mentor junior team members, drive automation initiatives, and contribute to strategic decisions regarding infrastructure and deployment processes. This position is ideal for a seasoned professional with a strong background in cloud technologies, containers, scripting, and DevOps best practices.

Main Responsibilities:

  • Design and deploy customer infrastructure on different cloud providers and bare metal environments

  • Design and manage Kubernetes clusters for applications with microservices architecture

  • Develop and optimize CI/CD pipelines for seamless software delivery

  • Design and monitor and operate development/staging/production environments

  • Facilitate knowledge transfer to the customers during deployment projects

  • Work with geographically distributed international teams on technical challenges and process improvements

  • Mentor and help grow other DevOps Engineers

  • Contribute to Mirantis deployment knowledge base

  • Continuously improve tooling and technologies

Qualifications

Required Skills/Abilities:

  • Proven experience in DevOps engineering

  • Solid IT automation experience

  • Solid knowledge of Linux OS, storage and networking

  • Background in microservices architecture and distributed systems

  • Solid knowledge in Kubernetes and related tools

  • Practical experience in application containerization: Docker, Helm

  • Solid practical experience in Bash/Groovy/Python/Go programming (at least one language)

  • Excellent English language skills - written and oral

  • Excellent customer-facing communication skills

  • Strong analytical and problem-solving skills

  • Willingness and ability to travel as needed for business requirements and onsite project delivery

Will be a plus

  • Experience in AI/ML models lifecycle, including development, deployment, monitoring, and maintenance

  • Proficiency in Openstack and related software

Education and Experience:

  • Bachelor’s degree in Computer Science or related field

  • At least 5 years of DevOps experience or in similar role

Additional Information

What does Mirantis offer you?

  • Work in a global, collaborative, remote-first culture that rewards initiative and execution.

  • Play a pivotal role in shaping the next era of cloud and AI modernisation.

  • Manage high-impact enterprise accounts with immediate opportunity for growth.

  • 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.

  • Customized workstation (macOS, Windows).

  • Professional development and training.

  • Competitive compensation, performance incentives, and opportunities for advancement.

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 [email protected]

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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