Linux Administrator

Job Description: Linux Administrator (Level 2, 5-10 Years of Experience)

Role Overview

The Linux Administrator at Level 2 is responsible for managing, maintaining, and optimizing Linux-based systems in enterprise environments. This role requires 5-10 years of experience in Linux system administration, with expertise in troubleshooting, performance tuning, and ensuring system reliability.

Key Responsibilities

1. System Administration :

• Perform L2 and L3 operating system administration activities for Linux servers in both physical and virtual environments.
• Conduct preventive maintenance and routine scheduled tasks to ensure system health and uptime.
• Manage incident resolution as per defined processes, ensuring minimal downtime and quick recovery.

1. Configuration and Optimization :

• Configure and manage Linux systems, including Red Hat Enterprise Linux (RHEL 6, 7.x) and Red Hat clusters.
• Optimize system performance and ensure efficient resource utilization.
• Implement and manage security compliance measures for Linux systems.

1. Troubleshooting and Problem Resolution :

• Diagnose and resolve complex issues related to Linux systems, including connectivity, performance, and application deployment problems.
• Collaborate with cross-functional teams to address system-level challenges.

1. Backup and Disaster Recovery :

• Manage data lifecycle and enterprise backups for Linux systems.
• Develop and implement disaster recovery solutions to ensure business continuity.

1. Documentation and Reporting :

• Draft and maintain procedures and documentation for Linux system configurations, changes, and incidents.
• Provide regular reports on system performance and compliance metrics.

1. Collaboration and Support :

• Work closely with Level 1 support teams to resolve escalated issues.
• Collaborate with other IT teams to ensure seamless integration and operation of Linux systems within the enterprise architecture.

Required Skills and Qualifications

• Technical Expertise :
• Strong knowledge of Linux technologies, including RHEL 6, 7.x, and Red Hat clusters.
• Proficiency in scripting languages such as Python, Perl, or Bash for automation and system management.
• Thorough understanding of TCP/IP fundamentals, DNS, FTP, SSH, and general networking technologies.
• Certifications (Preferred):
• Red Hat Certified Engineer (RHCE).
• Linux Professional Institute Certification (LPIC).
• Soft Skills :
• Excellent communication and interpersonal skills.
• Strong analytical and diagnostic abilities.
• Ability to present complex technical information to both technical and non-technical audiences.

Behavioral Competencies

• Strong planning and organizational skills.
• Ability to work effectively in a process-driven and quality-conscious environment.
• Collaborative mindset with a focus on customer service excellence.

Additional Requirements

• Experience in ITIL-driven environments and working knowledge of ITIL principles and processes.
• Availability for 24x7 support, including out-of-business-hours support.