Linux Administrator (L1 Support Engineer)

Elfonze Technologies; United States; Remote; USD 52,000 - 75,000; Full time

Job summary

Elfonze Technologies is seeking a motivated Linux L1 Administrator to provide first-level support for Linux servers and infrastructure in a 24x7 production environment. You will monitor, troubleshoot and perform routine tasks to ensure server availability.

Responsibilities include monitoring resources, handling alerts, managing user accounts, applying updates, and coordinating escalations with L2/L3 teams. A strong foundation in Linux, networking, ITSM, and incident handling is required.

Qualifications

• Foundational Linux OS knowledge and troubleshooting.
• Understanding of ITIL/ITSM processes.
• Experience with user management and file permissions.
• Familiarity with monitoring and incident response.

Responsibilities

• Monitor Linux servers, applications, and services using enterprise monitoring tools.
• Monitor CPU, Memory, Disk, Swap, Network, and Process utilization.
• Respond to alerts and incidents generated by monitoring platforms.
• Escalate unresolved issues to L2/L3 teams as per escalation matrix.
• Perform daily server health checks.
• User account creation, modification, and deletion.
• Password resets and account unlocks.
• File system and directory permission management.
• Basic package installation and updates using: YUM/DNF ,APT ,RPM
• Diagnose and resolve basic Linux OS issues.
• Analyze system logs and identify recurring issues.
• Handle service restart requests and basic troubleshooting.
• Ensure ticket updates and SLA compliance.
• Participate in shift handovers and operational reviews.
• Verify backup completion status.
• Monitor disk usage and filesystem growth & File system management.
• Perform log rotation and cleanup activities.
• Coordinate server reboot and maintenance activities.

Skills

Linux administration

Monitoring tools

Incident management

Networking basics

IT service management

User management

Tools

YUM/DNF

APT

RPM

SSH

DNS

SFTP

Job description

Job Summary

We are looking for a motivated Linux L1 Administrator to provide first-level support for Linux servers and infrastructure. The role involves monitoring system performance, handling incidents, performing routine administration tasks, and ensuring server availability in a 24x7 production environment. Candidate should have a foundational understanding of Linux operating systems, networking, troubleshooting, and IT service management processes.

Monitor Linux servers, applications, and services using enterprise monitoring tools.

Monitor CPU, Memory, Disk, Swap, Network, and Process utilization.

Respond to alerts and incidents generated by monitoring platforms.

Escalate unresolved issues to L2/L3 teams as per escalation matrix.

Perform daily server health checks.

User account creation, modification, and deletion.

Password resets and account unlocks.

File system and directory permission management.

Basic package installation and updates using: YUM/DNF ,APT ,RPM

Diagnose and resolve basic Linux OS issues.

Analyze system logs and identify recurring issues.

Handle service restart requests and basic troubleshooting.

Ensure ticket updates and SLA compliance.

Participate in shift handovers and operational reviews.

Verify backup completion status.

Monitor disk usage and filesystem growth & File system management.

Perform log rotation and cleanup activities.

Coordinate server reboot and maintenance activities.

Operating Systems

CentOS

Networking Basics

T CP/IP

DNS

DHCP

SSH

FTP/SFTP

Preferred Certifications

Any Linux version and vendor.

Any Cloud platform hand on and infra knowledge