Linux Administrator

2 weeks ago

Pune, Maharashtra, India Hoerbiger Full time ₹ 4,00,000 - ₹ 8,00,000 per year

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.
  • Perform system upgrades, patch management, and OS hardening to ensure security compliance.
  • 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.
  • Provide infrastructure support for and JavaScript applications, including package 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.

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