Senior Network Engineer

Job Responsibilities

• Replace and migrate around 60 end-of-life Arista 7150 and Cisco switches.
• Perform switch configuration and validate changes during scheduled maintenance windows.
• Manage exchange, extranet, and external network connectivity.
• Configure and troubleshoot BGP and multicast routing in production trading environments.
• Perform network migrations with zero downtime.
• Troubleshoot complex network issues independently.
• Work directly with exchanges, external vendors, and internal engineering teams.
• Support weekend change windows as required.

Required Skills

• Experience in financial services / trading environments.
• Strong experience with Arista switches, especially Arista 7150.
• Hands-on Cisco switching experience.
• Strong BGP and multicast knowledge.
• Experience with firewalls in complex network environments.
• Experience with extranet and exchange connectivity.
• Experience with zero-downtime network migrations.
• Strong troubleshooting and problem-solving skills.
• Good technical communication skills.
• Weekend availability for scheduled change windows.