Network Engineer

Flow Traders

Flow Traders is looking for an Network Engineer to join our growing Technology team in Hong Kong. The ideal candidate is curious, innovative and passionate about technology This is a unique opportunity to join a leading proprietary trading firm with an entrepreneurial and innovative culture at the heart of its business.  We value quick-witted, creative minds and challenge them to make full use of their capacities. If you aim high, the sky is the limit! In this dynamic role within a fast-paced environment you are the ‘network thought-leader’, an engineer who is going to help us to build and optimize the IT infrastructure for our business requirements. WHAT YOU WILL DO * Safeguard the continuity of our trading systems infrastructure and facilitate our traders in their day-to-day activities * Monitor and optimise our systems which host a wide range of applications * Be the driving force behind innovations, ranging from realizing new links between stock markets and our network to implementing solutions that optimise system stability/performance and reliability * Maintain and improve the existing network/infra/systems which also includes network orchestration and automation tasks * Manage, maintain and shape infrastructures, develop and enact contingency plans and provide secondary and tertiary support to our teams * Frequent contact with internal and external stakeholders (traders, data centers/colocations, third party suppliers) * Proactively lookout for ways to optimise performance WHAT YOU NEED TO SUCCEED * Bachelor's Degree or Professional Degree in Computer Science / Information Technology or equivalent * At least 5 years of experience in IT (support/optimization/deployments) to cover wide area networks, branch offices, cloud, multicast routing, security devices (firewalls) and wireless networks * Desired experience with support electronic trading systems within capital markets firm or equivalent industry (APAC regional knowledge) * Desired experience supporting environments with low latency networks, capture probes and network latency management systems * Strong knowledge of Cisco & Arista technologies (L1/L2/L3 switches and routers, firewalls and wireless etc.)  * Understanding the specific IT needs of our organization (low latency, high performance, redundancy and high availability) and excel at resolving issues on the fly * Experience with Unix/Linux command line and networking stack * Routing protocols: BGP, OSPF, multicast routing [PIM SM/DM/SSM] * Hands-on scripting experience (Bash/Shell, Python and Salt) * Network related certification (example CCNP) is a plus * Knowledge in Cloud platform environments (AWS and GCP) * Knowledge of Data Center and cabling standards * Understanding of Project Management methodology and best practices * Able to produce quality documentation on network design, diagrams and support materials * Desire to adopt new technologies and ability to contribute as a team player Desirable knowledge: * Knowledge on switching concepts: VLAN, Spanning-tree protocol (RSTP, MSTP), Port-Channel, VRRP/HSRP, CEF, TCAM etc. * Time synchronization protocols NTP, PTP (grandmaster, boundary clock, offset) and GPS * TCP analysis and traffic optimization with concepts as TCP Slow-start, Dup-Acks, Retransmits, SACK, Checksum and Seq Number * Security (VPN, IPSEC, SSL, Access-Lists) * Network Monitoring (Zabbix, SNMP, Netflow and Grafana) * WAN Connectivity (MPLS, Ethernet and DWDM) * Packet decoding and analysis tools such as tcpdump and wireshark   Flow Traders does not accept unsolicited resumes from any professional staffing or search firms. All resumes, and any other information identifying potential candidates, submitted to any employee at Flow Traders via-email, the Internet or directly without a valid and signed search agreement will be deemed free to contact by Flow Traders without any restrictions and no placement fee of any kind will be paid in the event the candidate is hired by Flow Traders.

IMC

As a Network Engineer at IMC, you will be joining a dynamic team of highly motivated professionals who strive to be the best at what they do by continuously learning, innovating, and improving. This role will have a major impact on the business and you will be expected to know and understand our business in order to contribute to the organization’s core strategies by constantly looking for areas to improve and develop.  IMC’s Network Engineers are responsible for designing, implementing, and supporting all low-latency connectivity to trading venues, DC, Enterprise and Backbone networks. They work closely with our Software and Systems Engineers, other teams and external parties to provide best in class infrastructure solutions supporting our trading business. Your Core Responsibilities:  * Design, implement and support the APAC's networking infrastructure. Key areas of expertise include Networking Fundamentals, Low-latency networking, Unicast and Multicast routing, BGP, PIM SM, PTP, concepts of QoS, NAT and protocol tuning. * Monitor, guard and analyze the proper functioning of our network infrastructure. Take adaptive, retentive and corrective measures and perform structural maintenance. * Proactively improve our infrastructure by contributing scripts and code to our automation efforts (e.g. Bash, Python). * Accurately create and maintain documentation detailing the implemented networking solutions, relevant procedures, and operational guidelines. * Responsibility for our IT security related platforms. Key areas include Enterprise Firewalls, VPNs, Security policies. * Work flexible hours. We are proud of the uptime of the trading environment, so every now and then you will be working outside of regular business hours to apply critical changes. This could be from your desk, your couch at home or also inside of one of our datacenters in APAC. * Liaise with external vendors, exchanges and providers to explore new technology solutions, implement new services or troubleshoot problems. Your Skills and Experience:  * We are looking for a senior Network Engineer, who is passionate about all aspects of networking and gets a thrill out of designing, implementing and supporting high-performance networks. * You are someone with 5+ years experience who is a highly capable engineer with an appetite for accuracy, and are not afraid to go beyond the standard text-book concepts of networking. * You thrive on working with your peers and cross-functional teams and are able to motivate and encourage your colleagues around you. * Ability to clearly communicate - both verbally and written - technical concepts and challenges to both technical and non-technical stakeholders is a must. About Us IMC is a global trading firm powered by a cutting-edge research environment and a world-class technology backbone. Since 1989, we’ve been a stabilizing force in financial markets, providing essential liquidity upon which market participants depend. Across our offices in the US, Europe, Asia Pacific, and India, our talented quant researchers, engineers, traders, and business operations professionals are united by our uniquely collaborative, high-performance culture, and our commitment to giving back. From entering dynamic new markets to embracing disruptive technologies, and from developing an innovative research environment to diversifying our trading strategies, we dare to continuously innovate and collaborate to succeed.

IMC

Join our forward-thinking team as a Network Engineer, where you will play a key role in designing, implementing, and supporting high-performance, low-latency network infrastructure. At IMC, the Trading Infrastructure team is responsible for the WAN, LANs, and all low-latency connectivity to trading venues. You will work closely with Systems Engineers, internal teams, and external partners to deliver best-in-class solutions that support our trading business and help evolve our infrastructure to meet the demands of a dynamic industry. Your Core Responsibilities: * Design, implement and support the networking infrastructure. Key areas include Low-latency networking, Unicast and Multicast routing, OSPF, BGP, PIM SM, as well as things like QoS, STP, NAT, protocol tuning, etc. * Monitor, guard and analyze the proper functioning of our network infrastructure. Take adaptive, retentive and corrective measures and perform structural maintenance. * Proactively improve our infrastructure by contributing scripts and code to our automation efforts (e.g. Bash, Python). * Accurately create and maintain documentation detailing the implemented network components, as well as relevant procedures and other documentation. * Responsibility for our IT security related platforms. Key areas include Palo Alto firewalls, VPNs, Security policies, etc. * Work flexible hours. We are proud of the uptime of the trading environment, so every now and then you will be working outside of regular business hours to apply critical changes. This could be from your desk, your couch at home or also inside of one of our datacenters abroad. * Liaise with external vendors, exchanges and providers to explore new technology solutions, implement new services or troubleshoot problems. Your Skills and Experience: * 5+ years of experience as a Network Engineer, with a passion for all aspects of networking * Proven ability to design, implement, and support high-performance networks * Strong appetite for accuracy and willingness to go beyond standard textbook networking concepts * Collaborative mindset with experience working closely across cross-functional teams * Ability to motivate and encourage peers while maintaining a high technical standard * Excellent verbal and written communication skills, including the ability to explain technical topics to both technical and non-technical stakeholders About Us IMC is a global trading firm powered by a cutting-edge research environment and a world-class technology backbone. Since 1989, we’ve been a stabilizing force in financial markets, providing essential liquidity upon which market participants depend. Across our offices in the US, Europe, Asia Pacific, and India, our talented quant researchers, engineers, traders, and business operations professionals are united by our uniquely collaborative, high-performance culture, and our commitment to giving back. From entering dynamic new markets to embracing disruptive technologies, and from developing an innovative research environment to diversifying our trading strategies, we dare to continuously innovate and collaborate to succeed.