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Senior Network Engineer - Investment Bank, Trading System Infra

Chiyoda-ku, Tokyo · Information Technology

EIRE Systems partners with a major financial institution in Tokyo, to manage a dedicated infrastructure for a suite of proprietary Trading Systems.

We have a fantastic new opportunity for an experienced Senior Network Engineer (CCIE / CCNP level) for an immediate opening in this team.


The role functions as a member of a dedicated team of Network and Server specialists to manage the live environment and to engineer and implement continuous improvements as the environment grows and evolves.


The Senior Network Engineer will : 
  • Represent the network team, as the senior networks SME during critical client meetings.

  • Validate technical feasibility of requests coming from the client

  • Review plans for changes prior to submission for change approvals.

...and function as a member of the team to:
  • Monitor the health of the network and respond appropriately to alerts and users requests in accordance with corporate operational standards

  • Perform maintenance activities on switches and routers (Cisco Nexus 9000/3000, among others, including Arista low latency products) and firewalls (Palo Alto, Cisco ASA); working with the team to design, plan and execute changes such as firewall settings, device replacements, configuration changes and updates/upgrades.

  • Troubleshoot, diagnose and resolve LAN/WAN problems, performance and security issues

  • Contribute ideas regarding Network architecture and propose and implement technical solutions to meet the needs of the business.

  • Work on network engineering projects aimed at reducing manual workload through automation.

  • Contribute towards Network Automation transformation, Software Defined Networking and CI/CD for zero touch deployment (Network as Code); Develop, test, present for reviews and implement approved automation solutions.

  • Adhere to Network Engineering documentation standards for all changes/requests

  • Create and update detailed network diagrams and reports.

 
Technical Requirements:
  • Advanced level knowledge of layer 2 and layer 3 network designs and expertise in supporting a variety of enterprise Cisco switches and routers, preferably Cisco Nexus configuration experience. (Arista Low latency switch experience is a nice to have)

  • Expertise for multiple routing protocols (BGP, EIGRP, OSPF, static routing, virtual routing)

  • Demonstrated ability to identify, recommend and execute improvements in a production network environment.

  • Network troubleshooting skills utilizing tcpdump or other command line packet capture tools.

  • Skills and experience parsing syslog messages

  • Experience setting up, configuring and supporting firewalls, preferably Cisco ASA and Palo Alto.

  • Knowledge/experience designing, implementing and/or supporting New Generation Data center Network Design, e.g.: Spine-Leaf architecture (Preferred)

  • Multicast - configuration experience (Preferred)

  • Experience in one or more automation frameworks such as Ansible, Saltstack or Nornir (Preferred)

  • Scripting skills for automating network administration tasks, preferably using Python (Preferred)

  • Good understanding of Time synchronization like PTP including troubleshooting.

  • Strong experience in packet analysis tools like Wireshark, Tshark etc.

  • Experience in Data Center Monitoring features like SPAN, ERSPAN, Time tagging, Tap Aggregation etc.

*Applicants should be eligible to work full-time in Japan and be available to physically access the the client site in Tokyo as and when needed.

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