Senior Network Infrastructure & Ultra-Low Latency Engineering Lead - Singapore

WESTBURY PARTNERS PTE. LTD.; Singapore; On-site; SGD 150,000 - 190,000; Full time

Job summary

WESTBURY PARTNERS PTE. LTD. is seeking a Senior Network Engineer to lead the design and delivery of high-performance global network infrastructure, with emphasis on ultra-low latency trading environments and colocation.

You will architect, implement, and manage complex networks, drive automation, and collaborate with vendors such as Cisco, Arista, and Fortinet to ensure scalable, reliable connectivity across global markets.

Qualifications

• Senior level experience in managing complex, high-performance networks.
• Strong knowledge of network architecture and large-scale delivery.
• Deep understanding of low-latency networking concepts.

Responsibilities

• Architect and oversee delivery of complex global network infrastructure.
• Lead colocation and ultra-low latency trading networks.
• Deliver scalable solutions across switching, firewalls, load balancers, and WAN.
• Drive network automation, telemetry, and configuration management.
• Adopt software-driven practices and agile engineering for delivery.
• Support high-performance networks for corporate and trading environments.
• Collaborate with PMs, engineers, and stakeholders.
• Build strong vendor relationships with Cisco, Arista, Fortinet.
• Evaluate emerging technologies to enhance network capabilities.
• Optimise traffic prioritisation and routing, Segment Routing awareness.

Skills

Senior Network Engineer

Low-latency networking

High-performance networking

Network automation

Tools

Cisco

Arista

Fortinet

Job description

Lead the design and delivery of high-performance global network infrastructure, specialising in ultra-low latency trading environments, advanced connectivity, automation, and scalable engineering solutions across complex, mission-critical systems worldwide.

What You'll Do:

Take a leading role in shaping and delivering next-generation global network infrastructure, with a particular focus on colocation environments and ultra-low latency trading systems. Drive the architecture, engineering, implementation, and lifecycle management of complex network solutions, ensuring exceptional performance, reliability, and scalability.

Your responsibilities will include:

1. Architect, design, engineer, and oversee delivery of complex global network infrastructure.
2. Lead the development and management of colocation and ultra-low latency trading networks.
3. Deliver scalable solutions across core network switching, firewalls, load balancers, and wide area connectivity.
4. Drive network automation, telemetry, instrumentation, and configuration management initiatives.
5. Implement software-driven engineering practices and agile methodologies to streamline network delivery.
6. Manage high-performance networking solutions supporting corporate infrastructure and exchange-specific trading environments.
7. Collaborate with project management teams, engineering colleagues, and wider business stakeholders.
8. Build strong technical relationships with leading network vendors, including Cisco, Arista, and Fortinet.
9. Evaluate emerging technologies and industry developments to continuously enhance network capabilities.
10. Optimise network traffic prioritisation and steering, with exposure to Segment Routing being advantageous.

Why Join Us?

1. Work within a globally recognised quantitative and systematic investment environment.
2. Take ownership of sophisticated, high-performance network infrastructure operating across global markets.
3. Work with cutting-edge networking technologies and ultra-low latency trading architectures.
4. Collaborate with talented engineers, technology specialists, and industry-leading vendors.
5. Influence infrastructure strategy and drive innovation through automation and software-led engineering.
6. Join a collaborative culture that values technical excellence, innovation, diversity, and work-life balance.

About You:

1. Extensive experience as a Senior Network Engineer managing complex, high-performance network environments.
2. Expert knowledge of network architecture, engineering, and large-scale infrastructure delivery.
3. Strong understanding of low-latency networking and high-performance computing architectures.
4. Deep technical knowledge of networking technologies and vendor ecosystems, particularly Cisco, Arista, and Fortinet.
5. Proven experience implementing software-driven network solutions, automation, and agile engineering practices.
6. Experience delivering and managing corporate and exchange-specific trading infrastructure.
7. Strong understanding of WAN engineering, traffic prioritisation, and traffic steering.
8. Excellent collaboration, communication, and stakeholder management skills.
9. A proactive approach to innovation, continuous improvement, and emerging networking technologies.

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