Network Engineer - Toa Payoh

Key Responsibilities:

• Design, configure, and implement network infrastructure including LAN, WAN, WLAN, and cloud-based networks to support the organization’s communication and data requirements.
• Install and configure network hardware such as routers, switches, firewalls, load balancers, and wireless access points.
• Monitor network performance using tools like SolarWinds, PRTG, or Wireshark to identify issues, analyze traffic patterns, and optimize network performance.
• Diagnose and resolve network issues including latency, connectivity, configuration errors, and outages in a timely manner.
• Maintain and troubleshoot firewalls and security appliances to ensure secure access and prevent unauthorized intrusion or cyber threats.
• Configure and manage VPNs and remote access to support secure connectivity for remote employees and branch offices.
• Manage IP addressing and subnetting, DHCP, DNS configurations, and related network services to ensure efficient and secure communication.
• Document network topologies, configurations, and changes using diagrams and technical documentation for reference and audits.
• Coordinate with other IT teams (e.g., sysadmins, DevOps, security teams) to integrate network solutions with servers, applications, and cloud environments.
• Plan and implement network upgrades and migrations to ensure the network remains up to date and scalable.
• Respond to incidents and service requests, providing technical support to internal teams and escalating issues as needed.
• Ensure compliance with industry standards (e.g., ISO, PCI-DSS) and internal IT policies and procedures.
• Conduct network capacity planning and forecasting to anticipate future needs and avoid performance bottlenecks.
• Assist in disaster recovery planning and testing to ensure network continuity during outages or emergencies.
• Train and mentor junior staff or provide guidance to cross-functional teams on network best practices.

Requirements:

• Bachelor’s degree in Computer Science, Information Technology, Network Engineering, or a related field (or equivalent practical experience)
• 3+ years of hands-on experience as a Network Engineer, Network Administrator, or similar role
• Strong understanding of networking protocols and services, including TCP/IP, DNS, DHCP, BGP, OSPF, VLANs, and MPLS
• Experience configuring and managing enterprise-grade network hardware, including switches, routers, and firewalls (Cisco, Juniper, Fortinet, Palo Alto, etc.)
• Familiarity with network security best practices, such as firewall configuration, intrusion detection/prevention systems (IDS/IPS), and access control
• Hands-on experience with VPN technologies, including IPsec, SSL VPN, and site-to-site VPN configurations
• Proficient with network monitoring, diagnostic, and performance tools, such as SolarWinds, Nagios, Wireshark, PRTG, or similar
• Ability to design and implement scalable, redundant, and secure network infrastructure
• Working knowledge of cloud networking (AWS VPC, Azure Virtual Network, Google Cloud Platform)
• Understanding of SD-WAN, VoIP, QoS, and wireless technologies
• Experience with scripting or automation tools (e.g., Python, Ansible, PowerShell) is a plus
• Strong documentation skills and experience with diagramming tools like Visio, Lucidchart, or Draw.io
• Excellent troubleshooting, analytical, and problem-solving skills
• Strong communication and interpersonal skills, with the ability to explain technical issues to non-technical stakeholders
• Willingness to participate in on-call rotations and respond to emergency network outages
• Certifications preferred:

o Cisco (CCNA, CCNP, CCIE)

o Juniper (JNCIA, JNCIP)

o CompTIA Network+ or Security+

o Palo Alto Networks Certified Network Security Engineer (PCNSE)

AWS Certified Advanced Networking – Specialty