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 are looking for a highly experienced and driven Senior Site Reliability Engineer to join our forward-thinking cloud development and operations team. In this role, you will contribute to the design, development, and operation of sophisticated cloud-based AI solutions built on the CNCF ecosystem including Kubernetes, running on cutting-edge hardware from leading vendors. This role focuses mainly on deploying AI infrastructure built on NVIDIA-certified hardware, following architecture and implementation designs produced by our engineering team. You will play a pivotal role in ensuring the reliability, security, and performance of container infrastructure, while mentoring team members and Mirantis customers to deliver high-quality software and services. As a senior engineer, you will work closely with stakeholders to define technical strategies, solve complex challenges, and ensure the seamless integration of cloud and software services. This is an excellent opportunity to make a significant impact while driving innovation in a rapidly evolving cloud ecosystem.
Develop, implement, maintain,



and troubleshoot cloud and AI infrastructure solutions based on open source software.
Optimize system performance, reliability, and scalability.
Participate in code reviews to maintain high quality standards.
Stay up to date with industry trends and best practices in cloud operations and development.
Design and implement AI-driven automation across the DevOps lifecycle, including code development and maintenance.
5+ years of professional experience in DevOps, with a strong focus on cloud and infrastructure technologies, including Kubernetes and/or OpenStack
~ Experience with high-performance data center processing, networking, and storage
~ Exposure to Golang and working knowledge of other programming languages (Python, JavaScript).
~ Exceptional problem-solving and debugging skills across networking and storage (hardware and software), Linux, and Kubernetes, with attention to performance optimization and security.
~ Excellent written and spoken English.
~ A commitment to innovation, continuous learning, and delivering high-quality results.
~ Extensive experience in network and/or storage architecture.
Experience with high-performance computing or GPU infrastructure: Prior experience with commercial container and virtual compute infrastructure platforms such as Rancher, Openshift, and VMware.
Bachelor's degree in Computer Science or a related field, or equivalent experience.
At least 5 years of DevOps or Software Development experience or in a similar role.
Work with an established Silicon Valley leader in the cloud infrastructure industry;
Work with exceptionally passionate, talented and engaging colleagues, helping Fortune 500 and General 2000 customers implement next-generation cloud technologies;
Professional development and training;
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We are a Leader for Container Management in G2 (#2 after AWS)!
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📌 Senior Site Reliability Engineer (Database) (Barcelona)
🏢 Mirantis
📍 Barcelona