Systems and Network Engineer

Arrowcrest Technologies Pte Ltd; Singapore; On-site; SGD 50,000 - 70,000; Full time

Job summary

A technology firm in Singapore is searching for a IT Support Specialist to manage their internal network infrastructure. This role requires strong knowledge in networking, hands-on troubleshooting experience, and the ability to work independently and collaboratively. Candidates should have a relevant diploma or degree and 3+ years of experience, though fresh graduates are welcome to apply.

Qualifications

• 3+ years of hands-on experience in IT support, systems administration, or network engineering.
• Strong knowledge of networking infrastructure (LAN/WAN, VLAN, VPN).
• Hands-on experience in troubleshooting IP-based systems like CCTV and Access Control.

Responsibilities

• Manage and maintain the organization’s internal network infrastructure.
• Design, configure, and implement network setups for new projects.
• Provide technical support to internal staff, including system and network-related issues.

Skills

Networking infrastructure knowledge (LAN/WAN, VLAN, VPN)

Troubleshooting skills

Analytical problem-solving

Communication skills

Education

Diploma or Degree in Information Technology, Computer Engineering, or related field

Tools

Windows Server

Linux

VMware

Hyper-V

Job description

Key Responsibilities

• Manage, maintain, and ensure the stability of the organization’s internal network infrastructure.
• Design, configure, and implement network setups for new projects and client deployments.
• Manage and upkeep system software deployed at client sites, ensuring timely updates and security patches.
• Perform software upgrades, patching, and configuration optimization to enhance performance and security.
• Troubleshoot and resolve software, system, and network issues, including error diagnostics and root-cause analysis.
• Support and maintain Access Control, CCTV, and other integrated security systems across multiple customer sites.
• Participate in project planning and implementation, collaborating closely with internal teams, vendors, and clients.
• Maintain accurate documentation, including network diagrams, configuration records, and inventory tracking.
• Administer user accounts, email (Microsoft 365/Exchange), shared drives, and access controls.
• Provide technical support to internal staff (laptops, printers, software applications).
• Oversee and manage system and network-related inventories for both internal and external environments.

Added Advantage

• Proficient in Windows Server, Linux, and/or virtualization platforms (VMware, Hyper‑V).
• Familiarity with cybersecurity practices, network monitoring tools, or patch management systems.
• Experience in automation or scripting (PowerShell, Python, etc.).
• Exposure to cloud environments (Azure, AWS, etc.).
• Relevant industry certifications such as CCNA, CompTIA Network+, or MCSA.

Requirements

• Diploma or Degree in Information Technology, Computer Engineering, or related field.
• Strong knowledge of networking infrastructure (LAN/WAN, VLAN, VPN, routing, switching, firewall).
• Hands‑on experience in troubleshooting and maintaining IP‑based systems, such as CCTV and Access Control.
• Good understanding of system performance tuning, software patching, and security hardening.
• Excellent analytical, problem‑solving, and communication skills.
• Able to work independently and collaboratively in a project environment.
• Willingness to travel between client sites when required.
• 3+ years of hands‑on experience in IT support, systems administration, or network engineering.
• Fresh graduates are welcome to apply.