Senior Enterprise Network Architect: Hybrid Cloud & Security

Xtremax Pte. Ltd.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Xtremax Pte. Ltd. is seeking a senior Network Engineer to design, implement, and support large-scale enterprise networks spanning on-premises, data centres, WAN, and cloud connectivity.

The role focuses on reliability, security, and resilient connectivity across hybrid environments. You will work across network architecture, solution design, technical assurance and operations, with exposure to GCC and GCC+ clouds, Azure networking, and disaster recovery.

Qualifications

• Minimum 8–10 years in enterprise network engineering
• 5+ years in network architecture or technical consultancy
• Hands-on experience with large-scale on-premises networks
• Experience with GCC/GCC+ hybrid cloud environments
• Strong knowledge of routing, switching, and data centre networking
• CCNA certification

Responsibilities

• Design, implement, and support large-scale enterprise network infrastructure
• Develop architectures covering routing, switching, HA, DR, and secure connectivity
• Support hybrid networks integrating on-prem with GCC/GCC+ clouds
• Configure and troubleshoot OSPF, BGP, VRRP/HSRP, VLAN, VXLAN, QoS, MPLS, IPv4/IPv6, NAT
• Design and support ExpressRoute, VPN, MPLS, SD-WAN, and Direct Connect
• Maintain Azure networking and security components (Azure Firewall, NSG, Front Door, Virtual WAN)
• Support data centre network across core, distribution, and access layers
• Troubleshoot physical and logical network issues
• Participate in network design reviews and governance
• Lead technical consultancy across initiatives

Skills

Network architecture

Technical consultancy

Troubleshooting

Cloud networking

Azure networking

Networking security

Education

CCNA certification

Tools

Azure networking

ExpressRoute

SD-WAN

Direct Connect

MPLS

NSG

Job description

Xtremax Pte. Ltd. is seeking a senior Network Engineer to design, implement, and support large-scale enterprise networks spanning on-premises, data centres, WAN, and cloud connectivity.

The role focuses on reliability, security, and resilient connectivity across hybrid environments. You will work across network architecture, solution design, technical assurance and operations, with exposure to GCC and GCC+ clouds, Azure networking, and disaster recovery.