Senior Network Engineer

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

Senior Network Engineer

Singapore | Permanent | Financial Markets Technology

EC1 Partners is working with a leading global financial markets technology business that is building out its Singapore infrastructure team. This is an opportunity for a Senior Network Engineer to join a highly technical environment supporting critical trading platforms, low-latency infrastructure, customer connectivity, market data access, and globally distributed production systems.

The role would suit an experienced network engineer with strong hands-on experience across enterprise or financial markets infrastructure, ideally with exposure to trading connectivity, market data, exchange connectivity, or other latency-sensitive environments.

The Role

You will be responsible for supporting, maintaining, and improving network infrastructure across production, disaster recovery, and test environments. The position is hands-on and will involve a mix of BAU support, project delivery, troubleshooting, change management, customer connectivity, packet analysis, automation, and operational improvement.

You will work closely with infrastructure, systems, security, engineering, operations, and customer‑facing teams across multiple regions, helping ensure network stability, performance, resilience, and reliability across business‑critical platforms.

Key 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.

Experience Required

• Strong hands‑on network engineering experience in a production environment.
• Good knowledge of routing, switching, TCP/IP, BGP, OSPF, multicast, VLANs, firewalls, and network security.
• Experience supporting high‑availability, low‑latency, or business‑critical infrastructure.
• Background in financial services, trading, exchanges, market data, or capital markets technology would be highly advantageous.
• Experience with Cisco, Arista, Juniper, or similar enterprise network technologies.
• Strong troubleshooting skills and the ability to work calmly during production incidents.
• Experience with packet capture / packet analysis tools such as Corvil, Wireshark, tcpdump, or similar would be highly beneficial.
• ing, automation, monitoring, Python, APIs, UNIX shell, Grafana, or infrastructure tooling experience would be beneficial.
• AWS cloud networking experience would be advantageous.
• CCNP, CCIE, JNCIP, JNCIE, AWS, Network+, Security+, Corvil, or similar certifications would be viewed positively.

What This Offers

This is an opportunity to join a growing Singapore infrastructure function within a global financial markets technology business, supporting critical trading platforms, customer connectivity, market data, and low‑latency production systems. The role offers a genuinely hands‑on technical environment with exposure to global infrastructure, complex troubleshooting, packet‑level analysis, automation, and close collaboration with experienced engineering teams across multiple regions.