Senior Network Engineer - Low-Latency Trading Infra

EC1 Partners Group; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

EC1 Partners is seeking a Senior Network Engineer to join its Singapore infrastructure team, supporting critical trading platforms, low-latency systems, and market data access across regions.

You will work hands-on across production, DR and test environments, performing BAU support, project delivery, troubleshooting, change management, and automation to ensure network stability and resilience for business-critical platforms.

Qualifications

• Strong hands-on network engineering experience in production environments.
• Good knowledge of routing, switching, TCP/IP, BGP, OSPF, multicast, VLANs, firewalls, and network security.
• Experience with high-availability, low-latency, or business-critical infrastructure.
• Background in financial services, trading, exchanges, market data, or capital markets technology would be advantageous.
• Experience with packet capture / packet analysis tools such as Corvil, Wireshark, tcpdump would be beneficial.
• Experience with automation, monitoring, Python, APIs, UNIX shell, Grafana, or infrastructure tooling would be beneficial.
• AWS cloud networking experience would be advantageous.
• Certifications such as CCNP, CCIE, JNCIP, JNCIE, AWS, Network+, Security+ would be viewed positively.

Responsibilities

• Support and maintain low-latency network infrastructure across a global production environment.
• Troubleshoot complex network issues across routing, switching, firewalls, connectivity, latency, packet loss, TCP retransmissions, multicast, and performance.
• Work on network changes, upgrades, maintenance windows, and capacity planning.
• Support connectivity into exchanges, brokers, data centres, vendors, customers, and other market participants.
• Assist with customer connectivity onboarding, testing, certification, and troubleshooting.
• Use packet capture and analysis tools to investigate market data behaviour, packet loss, latency, multicast gaps, and connectivity issues.
• Partner with engineering and infrastructure teams on incident response, root cause analysis, service restoration, and long-term remediation.
• Contribute to network automation, monitoring, documentation, and operational process improvement.
• Support production environments that require strong ownership, attention to detail, and high levels of trust.

Skills

Network engineering

Routing

Switching

TCP/IP

BGP

OSPF

Multicast

Firewalls

Network security

Packet capture

Wireshark

tcpdump

Automation

Python

UNIX shell

Grafana

AWS

Corvil

Tools

Cisco

Arista

Juniper

Corvil

Job description

EC1 Partners is seeking a Senior Network Engineer to join its Singapore infrastructure team, supporting critical trading platforms, low-latency systems, and market data access across regions.

You will work hands-on across production, DR and test environments, performing BAU support, project delivery, troubleshooting, change management, and automation to ensure network stability and resilience for business-critical platforms.