Global Network Lead for Latency-Critical Trading

Fenix One Asia Pte. Ltd.; Singapore; On-site; SGD 180,000 - 320,000; Full time

Benefits offered by this job

Full relocation package to Singapore

Health coverage

High autonomy

Competitive compensation

Job summary

Fenix One Asia Pte. Ltd. invites a senior network lead to own the global network topology across all colocation sites, including the Singapore office.

You will drive reliability, latency improvements, and capacity planning while coordinating with exchange teams and internal stakeholders. You will manage Arista hardware, L1/optical switching, and Solarflare NICs, building observability, automation, and end-to-end colocation deliveries in a high-frequency trading environment.

Qualifications

• 8+ years of hands-on network engineering, with senior ownership of complex, multi-site global environments.
• Deep routing and switching expertise (BGP, OSPF, VLANs, QoS, spanning tree).
• Hands-on experience with Arista platforms, L1/optical switching, and packet capture tooling.
• Strong data centre and colocation background: cabling, cross-connects, power, and rack management.
• Experience building network monitoring, observability, and automation tooling from the ground up.
• Experience with kernel-bypass / low-latency NIC technologies (Solarflare/OpenOnload) in performance-sensitive environments.
• Solid Linux fundamentals; able to write automation scripts (Python, Bash).
• Experience onboarding exchange or ISP connectivity and managing vendor relationships.
• Excellent English communication with ability to produce clear documentation.

Responsibilities

• Own the global network topology across all colocation sites worldwide and the Singapore office; drive reliability, latency, and capacity improvements.
• Manage and configure hardware estate: Arista switches, L1/optical switching, Solarflare NICs, and packet capture systems.
• Build and maintain monitoring, alerting, and observability for the network layer with full visibility as baseline.
• Drive network automation: standardise configuration management, deployment pipelines, and change procedures.
• Lead colocation build-outs end-to-end: rack planning, cabling, cross-connects, and remote smart-hands coordination.
• Manage onboarding of new exchange connectivity, interfacing with exchange technical teams through requirements, testing, and certification.
• Oversee Singapore office IT: data centre, AD, email, storage, workstations, and desktop support for 20–30 staff.
• Communicate network status, risks, and roadmap to leadership; champion transparency with dashboards and documented decisions.
• Assess team capacity and lead additional hiring when warranted, end-to-end.

Skills

Senior network engineering

BGP

OSPF

VLANs

QoS

Arista

Linux

Scripting (Python/Bash)

Automation tooling

Exchange connectivity

Tools

Arista switches

L1/optical switching

Solarflare OpenOnload

Packet capture tooling

Job description

Fenix One Asia Pte. Ltd. invites a senior network lead to own the global network topology across all colocation sites, including the Singapore office.

You will drive reliability, latency improvements, and capacity planning while coordinating with exchange teams and internal stakeholders. You will manage Arista hardware, L1/optical switching, and Solarflare NICs, building observability, automation, and end-to-end colocation deliveries in a high-frequency trading environment.