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, Chicago, Shanghai or Sydney (with authorization to work in Chicago, 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. • 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) • Routing protocols: BGP, EIGRP, static routing, route redistribution, NAT • Extensive experience with FortiGate firewalls, including VDOMs and ADOMs, Security policies and profiles,  IPSec VPN, and High availability (HA) • Proficiency with FortiManager and FortiAnalyzer for centralised management and reporting. • Strong understanding of at least one operating system: Linux or Windows  • Experience with HP Synergy and Supermicro SuperServer enclosures, including: Fabric modules and uplink configuration,  Network integration into core switching • Knowledge of data centre infrastructure: Rack layouts and cabinet standards,  Power (AC/DC, redundant feeds). Cross‑connects and fibre/copper media types • Experience working with telecom carriers on leased line orders, provisioning, and troubleshooting. • Strong documentation skills and ability to communicate technical concepts clearly. • Cisco certifications (CCNA, CCNP, or equivalent experience) and Fortinet NSE certifications (NSE4, NSE5, NSE6) are nice to have • Prior work in high‑frequency trading and financial services is nice to have • Fluency in English. Mandarin and Cantonese fluency are nice to have What We Offer • Dynamic and collaborative work environment • A flat management structure where everyone’s voice is valued • Work-life balance within a multicultural environment • Fully stocked kitchen for breakfast and lunch • Attractive benefits package with a discretionary bonus Eclipse Trading is an equal opportunity employer and we believe that diversity and inclusion are essential pillars of our success as a company. We are dedicated to embrace a culture reflecting a variety of perspectives, insights and backgrounds to drive innovation. We build talented and diverse teams to drive business results and encourage our people to develop to their full potential. All information provided will be treated in strict confidence and used solely for recruitment purpose. Due to the high number of responses that we receive, we are only able to respond to successful applicants. Note: The use of AI tools during interviews or assessments is strictly prohibited unless explicitly authorized. We employ multiple methods to verify the authenticity of candidate responses. If it is determined that AI assistance was used at any stage of the hiring process without prior approval, we reserve the right to disqualify your application or rescind any job offer.