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