Senior Infrastructure Engineer

SUMMARY:
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POSITION INFO:

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.

Key Outputs:

• Highly Available Infrastructure: Ensure uptime, resilience, and redundancy across all cloud and on-prem systems, while maintaining service-level objectives (SLOs).
• Optimized Kubernetes Environments: Reliable and secure operation of Azure Kubernetes
• Service (AKS) clusters with efficient scaling, monitoring, and deployment processes in place.
• Stable and Secure Linux Systems: Consistently well-maintained and hardened Linux environments, supporting internal systems and hosted services.
• Efficient Proxmox Operations: On-prem virtualization infrastructure is fully operational, secure, and meets performance expectations.
• Containerization: Delivery of containerized applications using Docker.
• Robust Hosting Platform: Fully managed and monitored cPanel/domain hosting infrastructure with timely resolution of hosting issues and domain management.
• Documentation & Knowledge Sharing: Clear and up-to-date documentation for infrastructure, deployments, and procedures.
• Incident Response & Root Cause Analysis: Prompt response to infrastructure issues with detailed post-mortems and actionable improvements.
• Cross-Team Collaboration: Effective collaboration with development, DevOps, and security teams to ensure infrastructure supports business and product goals.

Experience:

• 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.).

Competencies:

• Demonstrated ability to lead or mentor team members and drive infrastructure initiatives
  independently.
• Excellent written and verbal communication skills.
• Strong troubleshooting, problem-solving, and analytical skills.
• Excellent communication and collaboration abilities.

Education Requirements:

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field — or equivalent practical experience.
• Relevant certifications are a strong advantage, such as:
• 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
• CompTIA Linux+

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