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Unison Consulting Pte Ltd

Linux System Administrator

Kuala Lumpur , Malaysia
full-time

AI overview

Manage enterprise-level Red Hat and Ubuntu environments, ensuring system security and uptime while performing configuration, troubleshooting, and automation tasks.

We are looking for a skilled Linux System Administrator to manage and support enterprise-level Red Hat and Ubuntu environments. The ideal candidate will be responsible for system installation, configuration, troubleshooting, performance tuning, and ensuring system security and uptime across production and development infrastructure.

⚙️ Key Responsibilities

  • Install, configure, and maintain RHEL and Ubuntu servers (physical and virtual).
  • Perform system updates, patch management, and performance optimization.
  • Manage user accounts, groups, and permissions following IT security policies.
  • Configure and support web servers (Apache, Nginx), database servers (MySQL, PostgreSQL), and file servers (NFS, Samba).
  • Implement LVM, RAID, and disk management for storage solutions.
  • Manage and monitor network configurations (DNS, DHCP, firewall, IP tables).
  • Automate routine administrative tasks using Shell/Bash scripting or Python.
  • Configure and manage backup and recovery processes using rsync, tar, or snapshot tools.
  • Maintain and troubleshoot boot issues, kernel updates, and services.
  • Monitor system health and performance using Nagios, Zabbix, Grafana, or similar tools.
  • Enforce security hardening (SELinux, firewalld, patching, access control).
  • Support virtualization and cloud environments (VMware, KVM, AWS, or Azure).
  • Participate in incident management, problem management, and change management processes.
  • Maintain accurate documentation of system configurations and operational procedures.
Unison Consulting Pte Ltd

Unison Consulting was launched in Singapore on September 2012, the hub of the financial industry, with innovative visions in the technocratic arena. We are a boutique next-generation Technology Company with strong business-interests in Liquidity risk, Market Risk, Credit Risk and Regulatory Compliance. Unison provides technology consulting and services to implement Risk Management and Risk Analytics System for Financial Institutions. Our services suite comprises of Techno-Functional consulting, systems integration, Business Intelligence, information management, and custom development of IT solutions, plus project management expertise for financial institutions. We have expertise in latest cutting edge technology to achieve better total cost of ownership. Through our qualified professionals, we assist you drive your unique risk management strategies, whether that means efficient monitoring, improving risk appetite of the financial institutions, complying with regulations, or capturing growth opportunities through innovation, this is what maximizes your decision taking potential. At Unison Consulting, we view clients as partners, and our success is only measured by the success of our partners. So we put it all on the table in order to exceed expectations. Our staff consists of young, energetic and innovative consultants who are never afraid to challenge the conventions and push the boundaries in an effort to help our clients. For every project, no matter how large or how small, we strive to not only meet your needs, but deliver a showcase in your field.

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