High-Performance Computing Specialist

7 days ago


London, Greater London, United Kingdom Squarepoint Capital Full time
Job Description

Position Overview:

The High-Performance Computing (HPC) Architect will be part of a talented global team focused on delivering cutting-edge enterprise solutions. The ideal candidate will possess superb technical competency in designing and implementing mission-critical infrastructure, ensuring the highest levels of availability, performance, and security.

Key Responsibilities:

  • Design, document, and enhance platform-related services, including servers, storage, and cloud infrastructure.
  • Leverage modern computer architectures, including GPU, new CPU architectures, and modern HPC storage platforms.
  • Identify and eliminate inefficient use of compute and storage resources.
  • Provide concise and professional documentation.
  • Measure HPC system performance using quantitative metrics to show usage and improvements over time.
  • Collaborate with internal and external partners to deliver projects on time.
  • Provide L3 escalation support to remediate performance and availability issues.
  • Identify areas of improvement before they become a problem.
  • Customize solutions based on evolving requirements.

Required Qualifications:

  • 10+ years of experience working with Linux (RHEL/Rocky/CentOS/OEL) in an enterprise environment, with a focus on operations, systems engineering, and systems performance.
  • System tuning expertise, including memory, CPU, and network optimization for high-bandwidth compute infrastructure.
  • Experience identifying low-level performance bottlenecks, including those induced by the OS, software architecture, HPC storage, or network layer.
  • Deep understanding of network protocols, including TCP, UDP, RDMA, and ability to tune servers and networks for each.
  • Physical server architecture knowledge, including differences between CPU chipsets and when to use each (Intel/AMD/ARM).
  • HPC job scheduler experience, including Slurm, RunAI, and Bright Cluster Manager.
  • Experience working with applications written in Python and/or C++.
  • Strong communication and problem-solving skills, with the ability to handle a fast-paced environment and question the status quo.
  • Critical thinking and problem-solving skills to tackle troubleshooting the unknown, glitches, and obscure issues.
  • Strong communication skills, both verbal and written.
  • Degree in Engineering, Computer Science, or related Information Technology experience.

Nice to Have:

  • Experience with configuration management tools, including Ansible, Chef, and Terraform.
  • Familiarity with different network switch vendors and switch architectures.
  • Experience with KDB (Q).
  • Ability to debug and enhance applications using frameworks such as XGBoost, LightGBM, PyTorch, and Tensorflow.
  • Kubernetes experience and ability to integrate HPC workflows into it.

Compensation and Benefits:

The minimum base salary for this role is $60,000, based on available information at the time of posting. This role may be eligible for discretionary bonuses, which could constitute a significant portion of total compensation. This role may also be eligible for benefits, including health, dental, and other wellness plans, as well as 401(k) contributions. Successful candidates' compensation and benefits will be determined in consideration of various factors.



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