Senior Staff SRE — Real-Time Trading Infrastructure

NJF Global Holdings Ltd; Chicago (IL); On-site; USD 140,000 - 190,000; Full time

Job summary

NJF Global Holdings Ltd in New York is seeking a Staff SRE or Production Engineer to join the core reliability function of a demanding quantitative trading desk. You will work on the distributed infrastructure that processes millions of market events per second.

This role is not traditional ops. You will partner with elite C++ engineers, quants and researchers, shaping decisions from kernel tuning to automated failover policy.

Qualifications

• Experience with large-scale distributed systems reliability and automation.
• Deep Linux internals knowledge: kernel tuning, networking, memory management.
• Strong Python and C++ skills; Rust is a plus.
• Experience in latency-sensitive or high-throughput production environments.
• Ability to collaborate with engineers and researchers and own outcomes.

Responsibilities

• Hardening and automating globally distributed, latency-critical production infrastructure.
• Performance tuning across the full stack: CPU, memory, networking, storage.
• Designing and owning observability, deployment, and recovery tooling.
• Building monitoring systems for real-time visibility into trading environment health.
• Collaborating with software engineers and researchers on reliability and system design.
• Driving automation to reduce operational overhead and prevent failures.

Skills

Distributed systems

Automation

Performance tuning

Python

C++

Rust

Latency-sensitive

Job description

NJF Global Holdings Ltd in New York is seeking a Staff SRE or Production Engineer to join the core reliability function of a demanding quantitative trading desk. You will work on the distributed infrastructure that processes millions of market events per second.

This role is not traditional ops. You will partner with elite C++ engineers, quants and researchers, shaping decisions from kernel tuning to automated failover policy.