Senior Infrastructure & Reliability Engineer (AWS & Low Latency Trading Platform)

Who We Are Founded in 2019, Rock Bund Capital is a proprietary trading firm deeply committed to shaping the future of the cryptocurrency industry. We have an average daily trading volume reaching $1 billion and peak daily trading volume of $9 billion USD. We process over 15 million transactions daily, trading more than 1,000 symbols across major CEx and DEx. Our teams bridge traditional finance, quantitative research, and high-performance engineering with native blockchain expertise. Having mastered volatile digital asset markets, we now leverage this technical and market expertise to drive our expansion into Traditional Finance. We are seeking a hands-on Senior Infrastructure & Reliability Engineer with a background in institutional electronic trading platforms to architect, optimize, and maintain our core execution infrastructure. This role sits at the intersection of enterprise AWS cloud architecture, bare-metal low-latency networking, and Linux kernel performance tuning. The Role You will have end-to-end technical ownership for our global trading networks, host server performance, and AWS hybrid cloud connectivity. You will design resilient execution platforms and serve as a primary escalation point for complex, production-level network and system incidents. We are seeking a senior engineer who operates at the protocol and packet level—someone who understands system behavior beyond automation playbooks, vendor templates, and high-level concepts. What You Will Do Low-Latency Network Engineering & Co-Lo Infrastructure - Architect, maintain, and troubleshoot physical and logical networks across global co-location facilities (Equinix, CME, etc.) and direct exchange feeds. - Manage and debug complex routing and switching protocols, including BGP, RSTP/STP, and Multicast. - Oversee and validate ultra-precise time synchronization setups, including hardware timestamping, Boundary/Transparent clocks, and network QoS. - Diagnose site-to-site encryption and tunnel connectivity for secure broker and exchange lines. - Analyze latency, jitter, and packet drop issues using interface counters, routing diagnostics, and packet capture tools. Enterprise AWS & Hybrid Cloud Architecture - Independently design and manage multi-account AWS environments using AWS Organizations, RAM (Resource Access Manager), and account-level security models. - Take direct engineering ownership of AWS Direct Connect, Transit Gateway, and hybrid VPC routing tables. - Develop Infrastructure-as-Code pipelines for reproducible cloud and hybrid deployments. Linux Kernel & Host Performance Tuning - Perform low-latency host optimization, including CPU isolation, CPU affinity/pinning, C-state/P-state management, and kernel bypass. - Establish empirical measurement frameworks to benchmark, test, and mathematically validate host tuning improvements in production. Production Reliability & Systematic Troubleshooting - Execute structured, step-by-step root-cause analysis for complex production outages across hardware, network, and application layers. - Establish telemetry, metric collection, and alerting frameworks across cloud and on-prem assets. Who You Are - 5+ years of experience in low-latency infrastructure, systems engineering, or SRE supporting electronic trading platforms (buy-side prop/hedge fund preferred, or low-latency sell-side execution desks) - Deep Networking Depth: Hands-on mastery of BGP path selection, Multicast routing, PTP timing, and IPSec VPNs. Ability to explain protocol mechanics and troubleshoot down to hardware interface counters. - AWS Hybrid Expertise: Proven experience independently provisioning and troubleshooting AWS Direct Connect, Transit Gateway, and multi-account AWS Organizations. - Linux Performance Tuning: Practical experience with Linux kernel tuning and latency validation. - Infrastructure as Code: Proficiency in Terraform and shell/Python scripting for infrastructure automation. - Root-Cause Methodology: Demonstrated ability to systematically isolate network and system failures using protocol analyzers, route tables, and hardware counters - Fluency in both English and Mandarin Chinese is required to communicate effectively with colleagues from different locations Preferred / Nice-to-Have - Hands-on experience with FIX, exchange connectivity, and crypto APIs. - Familiarity with container orchestration and low-latency storage architectures. Why Join Us - Competitive remuneration package and a meritocratic culture where accomplishments are rewarded - Fast paced and result-oriented with a flat structure - Teams collaborate in a casual working environment - Excellent exposure to the digital asset ecosystem and the latest market insight - Great career development opportunities Disclaimer We do not accept unsolicited resumes from any professional staffing or search firms. All resumes, or any other information identifying potential candidates, shared with any employee of Rock Bund Capital or its affiliates by any method without a standing signed supplier agreement will be deemed free to contact without restrictions, and no placement fee of any kind will be paid in the event the candidate is hired by Rock Bund Capital or any of its affiliates.