Application Support Engineer

Greenwich, CTFull-time$110k–$140k2026-10-16 → 2026-11-10

Core

Support AQR's cloud-deployed quantitative portfolio management and research systems, resolve production issues, and improve system reliability.

Role type

Application Support Engineer (Individual Contributor)

Builds

Quantitative portfolio management and research systems

Domain

Financial services / Quantitative investment

Deliverable

production ML models

Required skills

SQL, Python, debugging, log analysis, database analysis, systems performance analysis, stack-trace diagnosis

Preferred skills

Cloud deployment knowledge, financial industry experience

Technologies

Python, SQL, debugging tools, monitoring tools

Responsibilities

Diagnose missing-inputs issues by analyzing stack-traces and system-logs; Diagnose resource issues like database downtime; Manage on-call production support rotations; Identify and update missing prod-support processes; Collaborate with dev/business teams to solve complex system issues; Document root-causes of problems and deliver improvements.

Seniority

Mid-level, hands-on IC

About AQR

AQR is a global investment firm built at the intersection of financial theory and practical application. We strive to deliver concrete, long-term results by looking past market noise to identify and isolate the factors that matter most, and by developing ideas that stand up to rigorous testing. By putting theory into practice, we have become a leader in alternative strategies and an innovator in traditional portfolio management since 1998.