Role Summary

This role is responsible for managing and maintaining UbuntuLinux servers, implementing and administering virtualization clusters (Proxmoxand VMware), managing storage, networking, and supporting the foundation of ourcloud-native platform. The ideal candidate understands modern infrastructure,automation basics, and is capable of learning advanced cloud-nativetechnologies quickly.

Key Responsibilities

• Manage and maintain Ubuntu servers, including monitoring,hardening, and troubleshooting.

• Deploy, manage, and optimize Proxmox and VMwarevirtualization clusters.

• Configure storage systems (LVM, ZFS, NFS, SAN/NAS) andensure reliability and performance.

• Administer cluster networking (bridges, VLANs, routing,firewalls).

• Implement high-availability policies and disaster recoveryplans.

• Support migrations between VMware, Proxmox, and physicalservers.

• Manage users, SSH access, automation scripts, and routinemaintenance.

• Support Docker/Kubernetes environments (basic orintermediate level is acceptable).

• Assist in infrastructure automation (Bash, Ansible,Terraform preferred).

• Work with developers and DevOps to ensure platformreliability and scalability.

• Document systems, procedures, and architectural changes.

Requirements

Must-Have Qualifications

• Strong hands-on experience with Ubuntu or Debian-basedsystems.

• Experience managing Proxmox clusters or VMwareESXi/vCenter.

• Solid understanding of virtualization concepts (CPU/RAMovercommit, storage types, snapshots, migration).

• Experience with LVM, ZFS, and block storage concepts.

• Knowledge of networking basics (VLANs, routing, firewalls,bridges).

• Ability to troubleshoot server issues via SSH and logs.

• Familiarity with Docker or container concepts.

• Basic understanding of cloud-native tooling (Kubernetes,CI/CD, load balancers) OR strong ability to learn fast.

• Ability to script using Bash or similar tools.

• Professional, structured, and reliable working style.

Preferred Qualifications

• Experience with Ceph clusters or distributed storage.

• Experience migrating VMware → Proxmox environments.

• Understanding of Kubernetes fundamentals.

• Knowledge of Infrastructure as Code (Terraform orAnsible).

• Familiarity with monitoring tools (Prometheus, Grafana,ELK).

• Experience in fintech, SaaS, or high-availabilityoperations.

Benefits

• Flexible working hours
• Free online learning resources
• Medical Insurance
• Social Insurance
• Competitive salary

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