Global Network Specialist

5 days ago


Hong Kong, Central and Western District, Hong Kong SAR China Marex Spectron Full time

Marex Spectron is a leading global derivatives broker that offers unique access across markets. Our technology-led service provides clients with a clear advantage through our digital tools, software services, and infrastructure globally.

The Technology Department at Marex Spectron delivers differentiation, scalability, and security for the business. Reporting to the COO, Technology provides digital tools, software services, and infrastructure globally to all business groups. Software development and support teams work in agile 'streams' aligned to specific business areas.

This is an excellent opportunity to work within a dynamic and shifting network landscape, working across a multitude of technologies and vendors to achieve success. The ideal candidate will leverage one or more scripting languages, Ansible, and Infrastructure as Code (IaC) tools to automate our configurations, monitoring, and troubleshooting.

Key Responsibilities:

  • Maintenance of the Marex Network.
  • Operational support for all network related issues.
  • Implementation of new network requirements/changes.
  • Automation of daily processes.
  • Procuring equipment and managing of vendors.
  • Support network maintenance activities, internal and third parties.
  • Reporting network status to key stakeholders.

Requirements:

  • Previous experience of working in the banking/finance industry is highly desirable.
  • Qualifications: #CCNP, JNCIP, JNCIS, PCNSE or equivalent certification is desirable.
  • Network WAN Technologies: MPLS, IPSEC VPN, SD-WAN, QOS, NAT.
  • Routing and Switching protocols: BGP/OSPF/EIGRP, Wifi, STP, RSTP, VLAN, HSRP, VRRP, VRF, MLAG, Etherchannel, Multicast PIM Sparse and dense mode.
  • Security: NextGen Layer 7 firewalling, User-ID, SSL decryption, Network Access Control, Radius/TACACS.
  • Cloud networking: AWS – VPC's, Transit Gateways, Direct Connects, VPN Gateways; Azure – Vnet, VPN GWs, Express route.
  • Automation: Process automation using Python, Ansible.
  • Vendors: Palo Alto, Cisco, Juniper, Arista, Aruba (wifi/Clearpass), Netbrain.
  • Troubleshooting: IP network packet troubleshooting and analysis, LAN network device troubleshooting, WAN network device troubleshooting, Firewall security troubleshooting.


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