Network Engineer

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 3-5 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 (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
• 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:

• Routing protocols: BGP, OSPF, multicast routing [PIM SM/DM/SSM]
• 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