Senior Infrastructure Engineer at Sabenza IT

Key Responsibility Areas:

• Design, implement, and maintain robust hybrid infrastructure solutions across cloud (Azure) and on-prem environments.
• Manage and optimize Kubernetes clusters in Azure Kubernetes Service (AKS).
• Maintain and administer Linux-based systems, ensuring performance, stability, and security.
• Build, manage, and deploy containerized applications using Docker and Kubernetes.
• Manage and support on-premises virtualization infrastructure, particularly Proxmox.
• Ensure high availability, disaster recovery, and scalability across services.
• Monitor infrastructure health and respond to incidents, performing root cause analysis and continuous improvement.
• Contribute to security hardening and compliance efforts.
• Administer and troubleshoot cPanel-based hosting environments, including site migrations, SSL, and performance tuning.
• Manage Domain Hosting and DNS configurations across various registrars and platforms.

Experience / Qualifications: 

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field — or equivalent practical experience.   
• Microsoft Certified: Azure Administrator Associate / Azure Solutions Architect
• Certified Kubernetes Administrator (CKA)
• Linux Professional Institute Certification (LPIC) or Red Hat Certified Engineer (RHCE)
• Docker Certified Associate o CompTIA Linux+
• 5+ years of hands-on experience in infrastructure engineering or systems administration, with at least 2 years in a senior role.
• Strong track record of managing complex hybrid (cloud + on-prem) infrastructure environments.
• Proven experience in a senior infrastructure role with hybrid (cloud + on-prem) environments.
• Strong Linux system administration skills (Ubuntu, CentOS, etc.).
• Expertise with Azure Kubernetes Service (AKS) and container orchestration.
• Strong hands-on experience with Docker – building, managing, and troubleshooting containers in production.
• Hands-on experience with Proxmox in production environments.
• Solid experience with cPanel, WHM, and related web hosting tools.
• Understanding of domain hosting, DNS management, and common registrar platforms.
• Solid understanding of networking, firewalls, DNS, load balancers, and VPNs.
• Experience with scripting (Bash, Python, or PowerShell).
• Familiarity with monitoring and alerting tools (Prometheus, Grafana, Graylog, Zabbix, etc.).