System Administration Engineer

NodeFlair; Singapore; On-site; SGD 97,000 - 119,000; Full time

Job summary

NodeFlair is seeking a System Administration Engineer to join their Singapore team. The role focuses on managing deployment, troubleshooting, upgrades, and maintenance of IT infrastructure, including networks, Windows servers, and security policies.

You will provide L2 support and collaborate on infrastructure initiatives. The ideal candidate has 1–3 years of Systems Admin experience, strong networking and scripting skills, and familiarity with Docker/Kubernetes, cloud platforms (AWS/Azure/GCP),

Qualifications

• Diploma or higher in Computer Engineering, CS or IT.
• 1–3 years of experience as a Systems Administrator.
• Experience with networking, databases (MySQL/PostgreSQL), cloud platforms and scripting.

Responsibilities

• Manage deployment, troubleshooting, upgrades, and maintenance of IT infrastructure including network, VPN, Windows servers, OS, email systems, applications, and hardware.
• Perform server administration (user access, security permissions, backups) and ensure systems work cohesively.
• Ensure security compliance, patch management, and role-based access control.
• Monitor systems and servers; manage backup and recovery procedures.
• Support hardware/software integration, performance tuning, and failure recovery.
• Implement and maintain security policies, firewall configurations, anti-virus solutions.
• Collaborate with IT Support on identity/access management, VPNs, and network security.
• Provide L2 support and assist with end-user issue resolution.
• Work with tech teams on infrastructure initiatives.

Skills

Networking

Security

Team collaboration

Education

Diploma in Computer Engineering/CS/IT

Tools

MySQL

PostgreSQL

PrestoDB

Microsoft 365

Linux/Unix

Firewalls

Routers & switches

LAMP stack

Java environments

Docker

Kubernetes

GitLab/GitHub/Jenkins

Bash

Python

PowerShell

Prometheus

Grafana

Ansible

Terraform

AWS

Azure

GCP

Job description

About the job System Administration Engineer

We are working with a fintech company, and as part of their continued growth, NodeFlair has been engaged to search for aSystem Administration Engineer to join their Singapore team.

The package is competitive at SGD 108k / year (excluding bonus).

Responsibilities:

• Manage deployment, troubleshooting, upgrades, and maintenance of IT infrastructure including network, VPN, Windows servers, OS, email systems, applications, and hardware.
• Perform server administration (user access, security permissions, backups) and ensure systems work cohesively.
• Ensure security compliance, patch management, and role-based access control.

Monitor systems and servers; manage backup and recovery procedures.

• Support hardware/software integration, performance tuning, and failure recovery.
• Implement and maintain security policies, firewall configurations, anti-virus solutions.
• Collaborate with IT Support on identity/access management, VPNs, and network security.

Provide L2 support and assist with end-user issue resolution.

Work with tech teams on infrastructure initiatives.

Requirements:

Diploma in Computer Engineering, Computer Science, IT, or related fields.

1 -3 years' experience as a Systems Administrator.

• Proficient with networking, MySQL, Postgres, PrestoDB, Microsoft 365, Linux/Unix, firewalls, routers, and switches.
• Experience with LAMP stack, Java environments, Docker, Kubernetes, GitLab/GitHub/Jenkins, Bash/Python/PowerShell scripting.
• Familiar with monitoring tools (Prometheus, Grafana) and IaC (Ansible, Terraform).

Cloud platform exposure (AWS, Azure, GCP) is a plus.