Senior Network Engineer

Requirements:

• 8+ years of experience designing and operating enterprise or trading network infrastructure.
• Strong expertise in high-performance, low-latency networking within production environments.
• Deep knowledge of Arista and/or Cisco networking technologies.
• Hands-on experience with multicast, routing, switching, optical transport (DWDM/DCI), and datacenter networking.
• Experience building Infrastructure-as-Code and network automation solutions.
• Strong understanding of network telemetry, monitoring, and troubleshooting at scale.

Nice to Haves:

• Experience supporting exchange connectivity or electronic trading infrastructure is highly desirable.
• Knowledge of precision timing technologies (PTP/GPS) is a plus.

What You'll Be Doing:

• Design, build, and operate high-performance, low-latency network infrastructure supporting electronic trading and colocation environments.
• Deliver resilient WAN, datacenter, and exchange connectivity with a strong focus on performance, reliability, and automation.
• Own network architecture across production trading environments, from high-level design through physical deployment and operational support.
• Develop Infrastructure-as-Code solutions, network data models, and automation frameworks to enable repeatable, scalable deployments.
• Design and support multicast, optical transport (DWDM/DCI), and production network segmentation for latency-sensitive trading systems.
• Implement telemetry, monitoring, and observability solutions to improve network visibility and operational excellence.
• Collaborate closely with infrastructure, systems, and trading engineering teams, as well as strategic network vendors, to continuously evolve the platform.

Perks and Benefits:

• QRT is an equal opportunity employer fostering a diverse and inclusive work environment.
• Initiatives and programs to support employees in achieving a healthy work-life balance.