Senior HPC Systems Engineer: GPU Clusters & Lustre

Susquehanna International Group, LLP; Bala Cynwyd (PA); On-site; USD 120,000 - 180,000; Full time

Job summary

Susquehanna International Group, LLP (SIG) seeks an experienced HPC Engineer to build and optimize the systems powering our trading and research workloads. You’ll manage GPUs, CPU clusters, and petabytes of storage supporting hundreds of researchers worldwide.

The role emphasizes automation with Python and Bash, collaboration with researchers and IT teams, kernel and I/O tuning, and comprehensive HPC environment management including schedulers, filesystems, and interconnects.

Qualifications

• Bachelor’s degree in Engineering, CS, Information Systems, or related field (or equivalent).
• Experience building and operating Linux-based HPC platforms.
• Experience tuning kernel and I/O subsystems; perf tools like perf, strace, tcpdump, Wireshark.

Responsibilities

• Automate and evolve home-grown tools with Python and Bash to monitor and maintain HPC systems.
• Collaborate with Strategy Developers, Quant researchers, and trade-supporting teams to translate problems into scalable solutions.
• Optimize operating systems and batch workflows for performance; perform root-cause analysis of failures.
• Oversee all aspects of our HPC environment, including the scheduler, parallel filesystems, GPUs, and interconnects.
• Implement and optimize high-performance storage solutions (Lustre, VAST, GPFS) to support cluster performance.
• Troubleshoot and tune to ensure timely recovery of disrupted workflows.

Skills

Python

Bash

Automation

Linux HPC

Education

Bachelor's degree in Engineering, CS, Information Systems, or related field

Tools

Ansible

Lustre

GPFS

VAST

Slurm

Wireshark

Job description

Susquehanna International Group, LLP (SIG) seeks an experienced HPC Engineer to build and optimize the systems powering our trading and research workloads. You’ll manage GPUs, CPU clusters, and petabytes of storage supporting hundreds of researchers worldwide.

The role emphasizes automation with Python and Bash, collaboration with researchers and IT teams, kernel and I/O tuning, and comprehensive HPC environment management including schedulers, filesystems, and interconnects.