HPC Systems Administrator | Experienced Hire

Susquehanna International; Pennsylvania; On-site; USD 150,000 - 195,000; Full time

Job summary

Susquehanna International is seeking an HPC Systems Engineer to build and optimize our high-performance computing infrastructure powering trading and research. You’ll manage thousands of GPUs, hundreds of thousands of CPU cores, and petabytes of storage to support 100+ researchers worldwide.

You’ll automate monitoring and maintenance using Python and Bash, collaborate with researchers and IT teams, and tune systems for peak performance. Onsite role with exposure to cutting-edge HPC tech.

Qualifications

• Bachelor’s degree in Engineering, Computer Science, Information Systems, or a related field (or equivalent experience)
• Experience building and operating Linux-based HPC platforms
• Experience tuning kernel and I/O subsystems and troubleshooting performance with tools such as sysctl, perf, strace, tcpdump, and Wireshark
• Strong automation skills in Python, Bash, or configuration management tools such as Ansible
• Experience administering parallel filesystems such as Lustre, GPFS, or VAST
• Experience administering and tuning workload schedulers such as Slurm
• Familiarity with high-speed interconnects (InfiniBand, RoCE) and GPU cluster environments

Responsibilities

• Automate and evolve by contributing to home-grown tools in Python and Bash to automate monitoring and maintenance
• Collaborate with Strategy Developers, Quantitative Researchers, and trade-support teams to translate problems into scalable solutions
• Optimize operating systems and batch workflows for performance and perform root-cause analysis of system issues
• Oversee all aspects of the HPC environment, including the scheduler, parallel filesystems, GPUs, and interconnects
• Implement and optimize high-performance storage solutions (Lustre, VAST, GPFS) to support cluster performance
• Develop capacity planning strategies using analytics to forecast needs and design reliable systems
• Troubleshoot and tune using monitoring tools to quickly pinpoint failures and recover workflows

Skills

Linux HPC

Automation

Python

Bash

Education

Bachelor’s degree in Engineering, Computer Science, Information Systems, or related field

Tools

Python

Ansible

Lustre

GPFS

VAST

Slurm

Perf

Strace

tcpdump

Wireshark

Job description

Overview

As a member of our HPC team, you’ll build and optimize the systems that power our trading and research, from high-performance trading infrastructure and compute clusters to databases and support tooling. You’ll manage an environment of thousands of GPUs, hundreds of thousands of CPU cores, and hundreds of petabytes of storage, serving over 100 quantitative researchers and scientists worldwide.

What You’ll Do:

Automate and Evolve

Contribute to our library of home-grown tools, written primarily inPython and Bash,to automate monitoring, and maintenance, allowing you to focus on performance related issues and projects.

Collaborate:

Work closely with Strategy Developers, Quantitative Researchers, and trade-supporting application teams to translate complex problems into scalable solutions. Coordinate with IT infrastructure teams, including storage and networking, to identify and implement the best solutions.

Optimize:

Tuneoperating systemsandbatch workflowsfor performance. Dive deep onroot-cause analysisof systems issues. Integrate all of these solutions into our systems effectively and efficiently.

Comprehensive HPC Environment Management

Oversee all aspects of our HPC environment, including the scheduler, parallel filesystems, GPUs, and interconnects.

High throughput storage

Implement and optimize high-performance storage solutions, including Lustre, VAST, and GPFS, to efficiently support and enhance cluster performance.

Capacity Planning and Design

Develop strategies to ensure optimal resource allocation and scalability, using analytics to forecast needs and design efficient, reliable systems.

Troubleshooting and Tuning

Utilize monitoring and diagnostic tools to quickly pinpoint failures, streamline troubleshooting processes, and ensure the timely recovery of disrupted workflows.

What we're looking for

• Bachelor’s degree in Engineering, Computer Science, Information Systems, or a related field (or equivalent experience)
• Experience building and operating Linux-based HPC platforms
• Experience tuning kernel and I/O subsystems and troubleshooting performance with tools such as sysctl, perf, strace, tcpdump, and Wireshark
• Strong automation skills in Python, Bash, or configuration management tools such as Ansible
• Experience administering parallel filesystems such as Lustre, GPFS, or VAST
• Experience administering and tuning workload schedulers such as Slurm
• Familiarity with high-speed interconnects (InfiniBand, RoCE) and GPU cluster environments

About Susquehanna

Susquehanna is a global quantitative trading firm powered by scientific rigor, curiosity, and innovation. Our culture is intellectually driven and highly collaborative, bringing together researchers, engineers, and traders to design and deploy impactful strategies in our systematic trading environment. To meet the unique challenges of global markets, Susquehanna applies machine learning and advanced quantitative research to vast datasets in order to uncover actionable insights and build effective strategies. By uniting deep market expertise with cutting-edge technology, we excel in solving complex problems and pushing boundaries together.

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