Linux Administrator - Virtualization

Job Description :

We are seeking an experienced Linux Engineer to manage, optimize, and secure Linux-based enterprise systems. This role involves administering servers, automating deployments, maintaining high availability, supporting DevOps practices, and collaborating with development teams to ensure seamless operations across infrastructure.

Role & responsibilities :

a. Server & OS Management :

- Install, configure, and maintain Linux (RHEL, Ubuntu, Debian) servers in production and enterprise environments.

- Troubleshoot and resolve server performance, availability, and scalability issues.

b. Automation & Scripting :

- Develop, optimize, and maintain Bash and Python scripts for automating server tasks.

- Manage configuration and deployment automation tools such as Puppet.

- Support CI/CD pipeline activities and Infrastructure-as-Code practices.

c. Containerization & Virtualization :

- Configure, optimize, and maintain Docker containers for development and production

workloads.

- Manage container registries (e.g., Harbor) and secure containerized applications.

- Familiarity with VMware, KVM, and other virtualization technologies.

d. Database & Application Support :

- Administer PostgreSQL and MySQL databases, tuning for performance and reliability.

handling with NPM.

- Manage and optimize Elastic (ELK) search clusters.

e. Monitoring & Incident Management :

- Implement and support monitoring tools like PRTG, Prometheus, or Grafana for proactive incident detection.

- Create dashboards and alerts for system health, capacity, and performance monitoring.

- Plan and perform disaster recovery, including system backups and recovery testing.

f. Security & Compliance :

- Implement and manage security protocols, firewall configurations, and TLS/SSL certificates via cert-manager automation.

- Ensure security header implementation and ongoing vulnerability mitigation.

- Participate in infrastructure risk assessments and compliance checks.

g. Documentation & Collaboration :

- Prepare and maintain documentation of system processes, configurations, and designs.

- Collaborate with cross-functional teams including development and DevOps for smooth integration.

Preferred candidate profile :

- Strong knowledge of RHEL, Ubuntu, and Debian distributions.

- Proficiency in containerization tools (Docker) and registry management.

- Advanced scripting expertise in Bash and working knowledge of Python.

- Solid understanding of networking concepts: TCP/IP, DNS, firewalls, load balancers.

- Hands-on experience with security hardening and patch management.

- Working knowledge of CI/CD pipelines, VMware/KVM virtualization, and cloud platforms (preferably Azure).

- Good problem-solving, troubleshooting, and team collaboration skills.