Linux Level 2 Support Engineer

ES RECRUITMENT PTE. LTD.; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

A leading recruitment firm is seeking an experienced Linux Level 2 Support Engineer for a 1-year renewable project in Singapore. The role involves administering Linux servers, performing system checks, and managing performance metrics. Candidates should have strong Linux skills, experience with system management tools, and ideally hold relevant certifications.

Benefits

1 month Performance Bonus

S$30 HP Claim monthly

Qualifications

• Minimum 3-5 years in similar job scope.
• Solid understanding of security hardening and vulnerability management.
• Certifications like RHCSA, RHCE, or LFCS are advantageous.

Responsibilities

• Administer and support Linux-based servers in production environments.
• Perform OS patching, kernel updates, and configuration of services.
• Monitor system performance and manage backups and server logs.

Skills

Strong knowledge of Linux distributions

Command-line skills and proficiency in bash

Experience with patching tools

Job description

Seeking experienced Linux Level 2 Support Engineer to join on 1 yr project renewable assignment at Ang Mo Kio.

Office hours

Offer Package: up to S$7500+ 1 month Performance Bonus + S$30 HP Claim monthly

What you will do:

• Administer and support Linux-based servers (RHEL, CentOS, Ubuntu, etc.) in production and enterprise environments

• Perform OS patching, kernel updates, and third-party application updates (e.g., Java, OpenSSL)

• Manage daily health checks for system performance, services, and backup statuses

• Administer and monitor NetBackup – verify daily jobs, conduct restore exercises, and upgrade backup agents

• Manage and troubleshoot Linux-based antivirus solutions and updates.

• Configure and troubleshoot services such as SSH, SFTP, and syslog

• Manage logical volumes, disk partitions, and file systems.

• Monitor system performance and resource usage using tools like top, iostat, vmstat, sar, and netstat.

• Maintain and manage Apache, Tomcat, or web servers – including installation, upgrade, and configuration.

• Administer crontab jobs and ensure scheduled tasks run successfully

• Manage system logging and integration with centralized logging (e.g., Splunk)

• Review system logs daily to identify performance bottlenecks, errors, or security events.

• Ensure secure system configurations and compliance with organizational security policies.

• Participate in vulnerability management and remediation of Linux security advisories (e.g., CVEs).

• Perform regular backup restore tests to validate recovery procedures.

• Maintain internal documentation and standard operating procedures for support tasks.

• Participate in on-call rotations and scheduled after-hours maintenance when required

What we are looking for :

Technical Skills Required

• Strong knowledge of Linux distributions (RHEL, CentOS, Ubuntu, Oracle Linux)
• Min 3-5 yrs in similiar jobscope
• Experience with patching tools (e.g., yum, dnf, apt, or automation via Ansible/YUM repos)
• NetBackup administration – job monitoring, agent installation, and recovery operations

Solid command-line skills and proficiency in bash shell scripting

• Knowledge of system performance monitoring tools (top, htop, vmstat, iostat, free, etc.)
• Experience with antivirus tools on Linux and updating mechanisms.
• User/group management via /etc/passwd, /etc/group, usermod, chage, and integration.
• Service management using systemd, chkconfig, and legacy init.d scripts
• Apache, Tomcat, or Nessus server administration – configuration, upgrades, and logs
• LVM and disk partitioning tools (lsblk, fdisk, parted, pvcreate, lvcreate, etc.)
• Log management using rsyslog, journalctl, and integration with Splunk.
• Experience with cron jobs and automation of routine system tasks.
• Basic firewall and SELinux troubleshooting
• Exposure to tools like Ansible (preferred).
• Understanding of security hardening, vulnerability remediation, and CVE patching.
• Possessing RHCSA, RHCE, or LFCS is at an advantage