Network Engineer

Eclipse Trading is a leading proprietary trading firm. Founded in 2007, we have over 110 employees across 4 office locations – Hong Kong (our HQ), Sydney, Shanghai, and Chicago. Our trading expertise and strategies are deployed across several global markets, focusing on products including equity derivatives, delta one, ETFs, commodity derivatives, and cryptocurrency. Technology is inextricably linked to our trading strategies, creating an environment powered by intellectual curiosity, problem-solving, and innovation.   We are looking for a passionate, technically talented individual with a strong background in networking and security platforms to join our Infrastructure and Technology Service team. The successful candidate will work closely with our trading support and development teams to ensure that our systems deliver the required performance, availability, and security posture. This is an onsite role located in Hong Kong, Shanghai or Sydney (with authorization to work in Shanghai or Sydney).   Key Responsibilities

• Design, implement, and support enterprise network infrastructure across multiple sites.
• Manage and maintain Cisco routers and switches, including configuration, upgrades, and troubleshooting.
• Administer and optimise FortiGate firewalls, including policies, routing, VPNs, VDOMs, and security profiles.
• Manage FortiManager and FortiAnalyzer for centralised configuration, logging, reporting, and ADOM management.
• Perform advanced troubleshooting across IP networks, including packet‑level analysis and protocol diagnostics.
• Work with data centre providers on cabinet layouts, power requirements, cross‑connects, and media types.
• Coordinate with telecommunications carriers for leased line provisioning, installation, testing, and handover.
• Integrate and support HP Synergy and Supermicro (SMC) SuperServer enclosures, including uplink design, fabric connectivity, and integration into core network infrastructure.
• Maintain accurate network documentation, diagrams, and asset records.
• Ensure network security best practices and compliance with organisational standards.

What You Offer

• Minimum of 5 years’ hands‑on experience supporting enterprise networks, routing, switching, and firewall environments, ideally within quantitative funds, proprietary trading firms, exchanges, or financial market access vendors.
• Deep technical capability, strong troubleshooting skills, and the ability to work with carriers, datacentres, and internal stakeholders.
• Deep understanding of IP addressing, UDP, TCP/IP and traffic packet flow analysis, troubleshooting skills (TCPDump/Wireshark)