6 hours ago
Remote, Czechia or Prague, CzechiaSenior
Responsibilities
- Influence the MOSK product roadmap by evaluating customer requests, upstream OpenStack code, specifications, blueprints, feature maturity, and operational caveats.
- Design, implement, document, and maintain lifecycle management for OpenStack on Kubernetes, including non-disruptive upgrades, patching, scaling, rollback, and feature compatibility.
- Define validation scenarios, assess upstream behavior in simulated or production-like deployments, and integrate feature support into MOSK lifecycle management.
- Review product designs, APIs, and implementations for robustness, security, scalability, and developer experience.
- Lead technical design discussions, planning sessions, retrospectives, and knowledge-sharing activities.
- Develop core frameworks, libraries, internal tools, and automation for MOSK development, testing, deployment, and lifecycle operations.
- Design and maintain CI/CD pipelines and integrations supporting build, test, validation, upgrade, and release workflows.
- Provide Tier-3 troubleshooting for customer environments involving Kubernetes, OpenStack, networking, storage, and distributed systems.
- Investigate OpenStack service issues, analyze root causes at code level, and propose or contribute minor upstream fixes.
- Analyze performance bottlenecks across hardware and software layers and provide optimization and tuning recommendations.
- Manage development, staging, and validation environments that mirror customer deployments.
- Serve as a technical authority on MOSK and OpenStack behavior for engineering, documentation, field, and enablement teams.
Requirements
- At least 5 years of practical Linux administration experience using CentOS, Ubuntu, or RHEL as server platforms.
- Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent work experience.
- Experience in software development, systems administration, or an SRE role.
- Strong ability to debug and tune operating systems and troubleshoot software and hardware issues.
- Strong knowledge of networking technologies, protocols, firewalls, VPNs, and networking equipment administration.
- Practical experience with SaltStack, Puppet, Ansible, or Chef in medium and large environments.
- Practical experience with Terraform for infrastructure as code.
- Expertise with Docker and Kubernetes in production environments, including Kubernetes operators and Helm.
- Strong experience with Jenkins and dependable build and release pipelines.
- Strong scripting skills in Bash, Groovy, or Python; at least one is required.
- Understanding of cloud environments such as OpenStack, AWS, GCP, or Azure.
- Mid-level experience with Go or C is preferred.
- Deep understanding of OpenStack architecture and production operations is preferred.
- Knowledge of SDN solutions including Open Virtual Network and Open vSwitch is preferred.
- Experience with OpenSearch, Grafana, and Prometheus stacks is preferred.
- Open-source project contributions are a plus.
- Intermediate spoken and written English proficiency.
- Customer-facing communication, diplomacy, analytical ability, troubleshooting skills, and problem-solving ability.
Benefits
- Remote-first global and collaborative work culture.
- Opportunities to work on open-source cloud, Kubernetes, and AI infrastructure innovation.
- Conference and working-group participation.
- Customized workstation with macOS or Windows options.
- Professional development and training.
- Competitive compensation, performance incentives, and advancement opportunities.
Tech Stack
AnsibleAWSAzureBashCChefDockerGoGoogle Cloud PlatformGrafanaGroovyHelmJenkinsKubernetesLinuxOpenStackPrometheusPuppetPythonTerraform
Categories
About Mirantis
Mirantis builds Kubernetes-native infrastructure software and services for enterprises to run cloud, container, and AI workloads across on-premises, public cloud, and edge environments. It sells subscriptions, support, and managed services around products like Mirantis Kubernetes Engine and the Lens Kubernetes platform; the company acquired Docker Enterprise in 2019. Founded in 1999 and headquartered in Campbell, California, Mirantis is privately held and an IREN company serving global enterprises.