Network Engineer

Flow Traders; Hong Kong; On-site; HKD 450,000 - 750,000; Full time

Job summary

Flow Traders in Hong Kong is seeking a Network Engineer to join our Technology team. The role focuses on building and optimizing IT infrastructure to meet business requirements and trading needs.

You will safeguard trading system continuity, monitor networks, and drive innovations for performance and reliability in a fast-paced, tech-driven environment. Collaboration with traders and data centres is key.

Qualifications

• Bachelor's degree in CS/IT or equivalent.
• At least 5 years IT experience covering WAN/LAN, cloud, multicast, firewalls and wireless.
• Experience in low latency trading environments (APAC knowledge a plus).
• Knowledge of Cisco/Arista networks; CCNP or similar is a plus.
• Unix/Linux CLI proficiency; scripting in Bash, Python and Salt.

Responsibilities

• Safeguard the continuity of trading systems infrastructure and support traders daily.
• Monitor and optimize systems hosting a wide range of applications.
• Drive innovations to improve links between markets and network performance/reliability.
• Maintain and improve network/infrastructure; include orchestration and automation tasks.
• Engage with traders, data centres/colocations, and external suppliers; plan contingencies.
• Proactively identify opportunities to optimize performance.

Skills

Networking

Unix/Linux CLI

Bash/Shell

Python

Team player

Documentation

Low latency networking

Education

Bachelor's Degree in CS/IT

Tools

Cisco

Arista

AWS

GCP

VPN/IPSec

Zabbix

Wireshark

tcpdump

Job description

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 optimise 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 centres/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/optimisation/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 organisation (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 Centre 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 optimisation 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.