Linux Administrator - VirtualizationHoerbiger India Pvt Ltd • Pune

Linux Administrator - Virtualization

Hoerbiger India Pvt Ltd • Pune

30+ days ago

Job description

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.
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 Node.js 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.

(ref : hirist.tech)

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Linux Administrator • Pune

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