WAN and LAN Architecture Expert

4 days ago


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

We are seeking a skilled Network Infrastructure Engineer to join our team at Marex Spectron. As a key member of the Technology Department, you will be responsible for the overall design, implementation, operation, and maintenance of our global network infrastructure.

The successful candidate will have a strong background in network architecture, design, and implementation, with experience in routing and switching protocols, network security, and cloud networking. You will also be proficient in automation tools such as Python and Ansible.

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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