L3 Linux Administrator

2 days ago

Pune, Maharashtra, India Team Computers Full time ₹ 5,00,000 - ₹ 12,00,000 per year

Role Overview :

We are seeking an experienced Linux Administrator (L3) to manage, configure, and optimize enterprise-level Linux and Solaris environments.

The ideal candidate will have hands-on expertise in storage solutions, patch management, performance tuning, and security hardening.

This role requires strong problem-solving skills, proactive monitoring, and the ability to lead complex infrastructure support with minimal supervision.

Key Responsibilities :

Linux & Solaris Administration :

- Manage and administer Red Hat, CentOS, and Solaris servers.

- Monitor system performance and ensure high availability of critical services.

Storage Management (OSD & Ceph Storage) :

- Configure, maintain, and optimize distributed storage systems.

- Manage OSD nodes and Ceph clusters for scalability and performance.

Patch Management (Satellite Patching) :


- Perform patching and update activities using Red Hat Satellite.

- Ensure compliance with security and performance updates.

Web & Application Servers :

- Configure and manage Apache HTTP Server, including performance tuning and troubleshooting.

- Implement best practices for high-availability setups.

Security & Compliance :

- Manage user access controls, file permissions, and Linux firewall configurations.

- Perform system hardening and ensure compliance with security standards.

Backup & Disaster Recovery :

- Design, implement, and test backup and recovery procedures.

- Ensure data integrity and availability during DR scenarios.

Container & Cloud Platforms (OpenShift) :

- Deploy, manage, and troubleshoot OpenShift clusters.

- Support containerized application environments and CI/CD pipelines.

Incident & Problem Management :

- Provide L3 level support for escalated incidents and complex problem resolution.

- Document processes, maintain SOPs, and ensure adherence to SLAs.

Required Skills & Qualifications :

- Strong hands-on experience with Linux (RHEL/CentOS/Ubuntu) and Solaris systems.

- Experience with Ceph Storage / OSD management.

- Expertise in Red Hat Satellite patching.

- Proficiency in Apache HTTP server configuration & tuning.

- Solid understanding of Linux security practices (firewalls, permissions, access control).

- Experience in backup & disaster recovery solutions.

- Working knowledge of OpenShift and container orchestration.

- Strong troubleshooting and performance tuning skills.

- Ability to work independently and lead L2 engineers.

Preferred Qualifications :

- Red Hat Certified Engineer (RHCE) or equivalent certification.

- Knowledge of automation tools (Ansible, Puppet, or Chef).

- Exposure to cloud platforms (AWS, Azure, GCP) is an advantage.

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