Network Engineer

ITCAN PTE. LIMITED; Singapore; On-site; SGD 140,000 - 190,000; Full time

Job summary

ITCAN PTE. LIMITED is seeking an experienced Senior Network Architect to design, implement, and support large-scale enterprise networks across on‑prem and hybrid cloud environments.

You will lead architecture governance, drive technical assurance, and collaborate on multiple concurrent initiatives. The role requires deep expertise in campus LAN/WAN, data centre networks, core/distribution/access switching, and hybrid connectivity technologies (ExpressRoute, VPN, MPLS, SD‑WAN).

Qualifications

• 6–8 years in enterprise network engineering.
• 5+ years in network architecture, solution design or consultancy.
• Experience designing large-scale on‑premise enterprise networks (campus, data centres, WAN, Internet edge, wireless).
• Strong data centre networking: core, distribution, access, segmentation, HA.
• Hybrid connectivity: ExpressRoute, Site-to-Site VPN, MPLS, SD‑WAN, Direct Connect.
• Procurement work related to network equipment is a plus.
• Leading reviews, governance, assurance and multi‑project consultancy.

Responsibilities

• Lead network design reviews and architecture governance.
• Provide technical assurance across multiple concurrent initiatives.
• Design, implement and support large enterprise networks (on‑prem and hybrid).
• Advise on standardization, performance, and reliability improvements.

Skills

Enterprise networking

Network architecture

Solution design

Technical consultancy

On-prem networks

Campus networks

Data centre networks

WAN

Internet edge

Wireless networks

Hybrid connectivity

ExpressRoute

Site-to-Site VPN

MPLS

SD-WAN

Direct Connect

Procurement experience

Architecture governance

Technical assurance

Project consultancy

Job description

Preferred Experience

• Minimum 6-8 years of experience in enterprise network engineering, with at least 5 years in network architecture, solution design, or technical consultancy.
• Proven experience in designing, implementing, and supporting large-scale on-premises enterprise network infrastructure, including campus networks, data centres, WAN, Internet edge, and wireless environments.
• Strong understanding of data centre networking, including core, distribution, and access layer design, network segmentation, redundancy, and high availability.
• Experienced with hybrid connectivity technologies such as ExpressRoute, Site-to-Site VPN, MPLS, SD-WAN, and Direct Connect (or equivalent).
• Familiarity and experience with procurement work related network infrastructure equipment and professional services is an advantage.
• Experienced leading network design reviews, architecture governance, technical assurance, and project consultancy across multiple concurrent initiatives.

TechnicalExpertise

On-Premises Infrastructure

• Enterprise Campus LAN/WAN
• Data Centre Networks
• Core, Distribution, and Access Switching
• Enterprise Wireless Networks
• Internet Edge and DMZ Architecture
• Network Segmentation and Micro-segmentation
• High Availability and Disaster Recovery Network Design
• Load Balancers and Reverse Proxies
• IP Address Management (IPAM)
• Network Monitoring and Performance Management

Hybrid Cloud Networking

• Government Commercial Cloud (GCC)
• Government Commercial Cloud Plus (GCC+)
• Microsoft Azure Networking
• Hybrid Connectivity (ExpressRoute, VPN Gateway)
• Azure Firewall
• Azure Application Gateway
• Azure WAF and WAF policy
• Azure NSG
• Azure Front Door
• Azure Virtual WAN
• DNS and Hybrid Name Resolution

Enterprise Routing & Switching

• OSPF
• BGP
• VRRP/HSRP
• VLAN
• VXLAN
• QoS
• MPLS
• IPv4/IPv6
• NAT