Linux Administrator

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.

• Install, configure, and maintain Linux (RHEL, Ubuntu, Debian) servers in production and enterprise environments.
• Perform system upgrades, patch management, and OS hardening to ensure security compliance.
• Troubleshoot and resolve server performance, availability, and scalability issues.

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.

• 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.

.

• Administer PostgreSQL and MySQL databases, tuning for performance and reliability.
• Provide infrastructure support for Node.js and JavaScript applications, including package handling with NPM.
• Manage and optimize Elastic (ELK) search clusters.

e.

• 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.

• 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.

• 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.