Linux Devops Engineer (Openstack)

Key responsibilities

Infrastructure and platforms

• Design, implement, and maintain highly available Linux-based infrastructures in datacentres
• Manage and evolve virtualization and containerisation platforms (VMware, Docker, Kubernetes), and contribute to private cloud environments
• Contribute to the design and evolution of infrastructure, with a focus on reliability, resilience, and lifecycle management

DNS and registry services

• Operate and maintain large-scale authoritative DNS infrastructure
• Operate and maintain registry services in production, and manage deployments across environments
• Support domain registration services and associated backend systems (Java, Python, PostgreSQL, RabbitMQ)
• Ensure high availability, performance, and security of core registry services

Automation and observability

• Develop automation and Infrastructure as Code (IaC) solutions using tools such as Ansible or Terraform
• Contribute to CI/CD practices and operational efficiency
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• Monitor systems and services in production, ensuring early detection of incidents and performance issues
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• Implement and maintain observability stacks (Prometheus, OpenTelemetry, Grafana, ELK, Graylog)

Database platform operations

• Operate PostgreSQL infrastructure (replication, backups, monitoring, system-level performance)
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• Collaborate with specialised external DBA providers for advanced database optimisation and tuning

Networking and security

• Contribute to network infrastructure operations, including routing, firewalls, and traffic flows
• Support distributed systems and DNS-related network behaviour (including anycast environments)
• Work with enterprise architecture and security teams to ensure infrastructure aligns with regulatory and security requirements

Collaboration and operations

• Work closely with development and security teams to ensure service reliability
• Participate in on-call rotation to support 24/7 service availability
• Contribute to documentation and continuous improvement of systems and processes
• Stay up to date with emerging technologies and industry practices

Your profile

Education and experience

• Degree in computer science, IT, or a related field
• 5+ years of experience in system or infrastructure engineering roles, with strong hands-on experience in production environments

Technical skills

• Strong foundation in Linux (RHEL derivatives such as AlmaLinux or Rocky Linux
• Experience with virtualization and containerisation technologies (VMware, Docker, Kubernetes), and exposure to private cloud platforms (e.g. OpenStack-based solutions)
• Experience with automation and IaC tools such as Ansible, Terraform, or Rundeck
• Solid scripting and programming skills (e.g. Python, Bash), with the ability to develop automation and understand application code
• Experience operating DBMS (such as PostgreSQL) infrastructure (replication, backups, monitoring), in collaboration with DBA services
• Solid understanding of networking fundamentals (TCP/IP, routing concepts, BGP basics), knowledge of networking and security technologies (e.g. Juniper, Palo Alto) is a plus
• Good understanding of DNS, including authoritative DNS and DNSSEC principles
• Experience with identity and access management solutions
• Familiarity with observability stacks (Prometheus, OpenTelemetry, Grafana, ELK, Graylog)
• Familiarity with CI/CD and collaboration tools such as Atlassian (Jira, Jira Service Management, Confluence), GitLab, and Nexus
• Familiarity with backup and recovery solutions such as Commvault is a plus

Soft skills

• Strong problem-solving and troubleshooting skills in complex environments
• Strong sense of ownership and accountability
• Service-oriented and pragmatic mindset
• Collaborative mindset, with the ability to work across teams and share knowledge
• Curious, proactive, and eager to learn and improve
• Structured and diligent, with attention to documentation and quality
• Good communication skills in English

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