3 days ago
Remote, Poland or Poznań, PolandSenior
Responsibilities
- Influence the MOSK roadmap by evaluating customer feature requests, upstream OpenStack maturity, scalability, stability, and operational caveats.
- Design, implement, and document non-disruptive OpenStack-on-Kubernetes lifecycle management, including upgrades, patching, scaling, rollback, and compatibility.
- Validate upstream features in simulated or production-like environments and integrate supported capabilities into MOSK lifecycle management.
- Build and maintain frameworks, libraries, internal tools, automation, deployment systems, and CI/CD pipelines for development, testing, validation, and release workflows.
- Lead technical design discussions, reviews, planning sessions, retrospectives, and architectural decisions.
- Provide Tier-3 support by debugging customer production issues involving Kubernetes, OpenStack, networking, storage, and distributed systems.
- Investigate OpenStack issues at the code level, analyze root causes, and contribute minor fixes upstream.
- 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 for engineering, documentation, field, enablement, and customer-facing teams.
Requirements
- At least 5 years of practical Linux administration experience with CentOS, Ubuntu, or RHEL.
- 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.
- Deep ability to debug and tune operating systems and troubleshoot software and hardware issues.
- Strong networking knowledge, including protocols, firewalls, VPNs, and networking equipment administration.
- Practical experience with SaltStack, Puppet, Ansible, or Chef in medium or large environments.
- Practical Terraform experience for infrastructure as code.
- Expert production experience with Docker and Kubernetes, including Kubernetes operators and Helm.
- Strong Jenkins experience and the ability to build dependable build and release pipelines.
- Understanding of cloud environments such as OpenStack, AWS, GCP, or Azure.
- Strong scripting skills in Bash, Groovy, or Python, with at least one required.
- Mid-level experience with Go or C is valuable.
- Preferred: deep OpenStack architecture and production experience; SDN knowledge including Open Virtual Network and Open vSwitch; OpenSearch, Grafana, and Prometheus experience; and open-source contributions.
- Intermediate spoken and written English, customer-facing communication skills, diplomacy, analytical ability, troubleshooting skills, and problem-solving skills.
Benefits
- Remote-first work culture with geographically distributed international teams.
- Professional development and training, conference and working-group attendance, and advancement opportunities.
- Customized workstation with macOS or Windows.
- Competitive compensation and performance incentives.
- Opportunity to work on open-source cloud, Kubernetes, and AI infrastructure with global enterprise customers.
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.