System and Network Administrator

Quick Suite Trading Malaysia Sdn Bhd; Kuala Lumpur; On-site; MYR 50,000 - 70,000; Full time

Job summary

A technology company in Kuala Lumpur seeks an experienced System Administrator with a focus on Network Administration. The role requires 4+ years hands-on experience in both system and network functions, ensuring the management of dedicated Linux servers and enterprise network infrastructures. Candidates must possess excellent communication skills, flexibility in work hours, and knowledge in networking concepts and Linux environments. A competitive salary and collaborative work environment are offered.

Benefits

Competitive salary with annual reviews

Collaborative work environment

Global team interaction

Qualifications

• 4+ years of hands-on experience in System and Network Administration.
• Expertise in managing Linux server environments and Windows workstations.
• Knowledge in TCP/IP, VLANs, and routing protocols.

Responsibilities

• Manage dedicated servers running Linux.
• Design and maintain the company's LAN/WAN infrastructure.
• Provide Tier 3 technical support for server and network issues.

Skills

Linux Administration

Network Configuration

VPN Technologies

Technical Documentation

Critical Incident Management

Communication Skills

Tools

PicOS

Oracle Linux

Job description

System Administration (Dedicated Focus)

Manage and maintain dedicated servers running Linux (specifically Oracle Linux).

Perform installation, configuration, and troubleshooting of core OS components and system services.

Manage and maintain all Windows desktop/workstation OS deployments, imaging, and patching.

Oversee all Windows desktop/workstation OS deployments, including imaging, patching, and lifecycle maintenance.

Conduct regular system monitoring, performance tuning and optimization for servers and endpoints.

Network Administration (Dedicated Focus)

Design, implement, and maintain the company's enterprise LAN/WAN infrastructure, including routers, switches, firewall, etc.

Deploy, configure, and maintain firewall systems, ensuring rule sets are implemented according to approved Security Team requirements.

Manage and maintain all remote access solutions, with mandatory expertise in VPN technologies such as IPsec, Wireguard, and OpenVPN.

Demonstrates deep theoretical and practical understanding of network operations, focusing on Layer 2 and Layer 3 protocols, topology, and ultra-low latency requirements.

Configure and administer specialized network operating systems, direct experience or strong working knowledge of PicOS is highly preferred.

Monitor network performance and troubleshoot connectivity issues to ensure maximum uptime and reliability.

Operational Availability (Mandatory Requirement)

Participate in an on-call rotation to handle critical infrastructure incidents outside of core business hours.

Must be willing and able to perform scheduled maintenance, system upgrades, and testing during occasional evenings or weekends to ensure uninterrupted availability during critical trading periods.

Execute and manage formal backup, restore and disaster recovery procedures.

Support & Documentation

Provide expert-level technical support (Tier 3) for server and network incidents including guidance to other team members.

Develop and maintain detailed, high-quality documentation for all system configurations, network diagrams, and operational procedures.

Requirements

Excellent communication skills in English, both written and spoken.

Must be flexible with work hours, including availability for after-hours and weekend work as needed.

Minimum of 4+ years of dedicated, hands-on experience in separate System Administration and Network Administration functions, preferably in a high-availability environment.

Demonstrated in-depth expertise and knowledge in administering, managing and troubleshooting Linux server environments and experience supporting enterprise Windows workstations.

Demonstrated in-depth expertise and knowledge in networking concepts (TCP/IP, VLANs, routing protocols, QoS) and practical experience configuring high-end network hardware.

Working knowledge or direct experience with network operating systems such as PicOS is great bonus.

Technical certification such as CCNA / CCNP or equivalent is a plus.

We offer

A collaborative and supportive work environment.

Competitive salary with annual reviews.

Work with a borderless set up – with teammates all over the world.

Learn from experts located globally.

Legal Notice

Please note that this position does not offer visa or employment pass sponsorship.