System & Network Engineer (AMK)

MAESTRO HUMAN RESOURCE PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

MAESTRO HUMAN RESOURCE PTE. LTD. is seeking a Network and System Engineer to ensure maximum uptime, security, and performance of the IT infrastructure. You will design and deploy LAN/WAN/WLAN, manage servers (Windows and Linux), directories, virtualization, and security hardening, while monitoring systems and handling incidents.

The role requires hands‑on experience with networking gear, Fortinet firewalls, VMware/Hyper‑V, and OS patch management, with on‑site work in Singapore."

Qualifications

• Bachelor’s degree or Diploma in Information Technology or related field.
• CCNA/CCNP or equivalent security certifications are a plus.
• Strong knowledge of TCP/IP, subnetting, OSI model, and network protocols.

Responsibilities

• Design and deploy LAN/WAN/WLAN solutions.
• Install and maintain routers, switches, firewalls, and load balancers.
• Manage VPN tunnels, VLANs, and routing protocols (OSPF, BGP).
• Administer Windows Server and Linux environments; manage AD, DNS, DHCP, and GPO.

Skills

Networking knowledge

System administration

Security awareness

Documentation

Education

Bachelor’s degree in IT or related field

Tools

VMware

Hyper-V

Windows Server

Linux

Fortinet

Job description

Network and System Engineer

Role Objective

To ensure the maximum uptime, security, and performance of customer’s IT infrastructure. You will be responsible for the end-to-end lifecycle of both networking hardware and server systems, from initial design and deployment to proactive monitoring and complex troubleshooting.

Key Responsibilities

Network Administration & Engineering

• Design & Deployment: Architect and configure Local Area Networks (LAN), Wide Area Networks (WAN), and Wireless (WLAN) solutions.
• Hardware Management: Hands‑on installation and maintenance of routers, switches (L2/L3), firewalls (Fortinet) and Load Balancers.
• Connectivity: Manage VPN tunnels (Site‑to‑Site and Client‑to‑Site), VLAN segmentation, and routing protocols (OSPF, BGP).
• ISP Coordination: Liaise with service providers to manage internet circuits and resolve external connectivity issues.

System Administration & Virtualization

• Server Management: Administer Windows Server (2019/2022) and Linux (RHEL) environments.
• Directory Services: Manage Active Directory, Group Policy (GPO), DNS, and DHCP services.
• Virtualization: Maintain virtual environments using VMware vSphere or Microsoft Hyper‑V, including resource allocation and VM snapshots.

Security & Compliance

• Hardening: Implement security best practices to harden servers and network devices against cyber threats.
• Patch Management: Execute regular updates for OS and firmware to mitigate vulnerabilities.
• Endpoint Security: Manage enterprise Antivirus/EDR solutions and email security gateways.
• Backups: Oversee and ensure daily backups are successful.

Monitoring & Support

• Proactive Monitoring: Use tools (e.g. PRTG, SolarWinds) to monitor traffic patterns and system health.
• L2/L3 Troubleshooting: Serve as the escalation point for complex technical issues that the general IT support team cannot resolve.
• Documentation: Maintain up-to-date network diagrams, asset inventories, and standard operating procedures (SOPs).

Required Qualifications & Skills

• Education: Bachelor’s degree or Diploma in Information Technology, or a related field.
• Certifications (Preferred): CCNA/CCNP (Cisco), MCSA/MCSE (Microsoft), or VCP (VMware).
• Technical Proficiencies:
  • Strong grasp of TCP/IP, Subnetting, and the OSI Model.
  • Experience with Storage Area Networks (SAN) and NAS.
  • Familiarity with Automation/Scripting (PowerShell, Python, or Ansible).
• Soft Skills: Analytical mindset, ability to work under pressure during outages, clear communication skills to articulate problem statement to customers and documenting technical changes and incident reports.
• Preferably with minimum 2 years of industry experience.
• 5 day week @ AMK area (go to site whenever required)