HPC Operations Engineer - Banking & Finance

Hamilton Barnes Associates Limited; Greater London; On-site; GBP 70,000 - 110,000; Full time

Job summary

Hamilton Barnes Associates Limited is seeking an experienced HPC Operations engineer to maintain large-scale Linux infrastructure in a fast-paced, production environment in City of London. You will troubleshoot incidents, automate tasks, and contribute to high-availability compute platforms supporting trading operations.

You will work on on-site systems, participate in on-call rotations, and collaborate with platform engineering teams to apply best practices in automation, monitoring, and

Qualifications

• Proven Linux-based production environment experience.
• Strong troubleshooting and diagnostic skills.
• Scripting experience in Python, Bash or Go.
• Experience supporting production infrastructure.
• Familiarity with automation/configuration management tools.
• Exposure to HPC technologies (Slurm, Lustre, GPFS) is advantageous.

Responsibilities

• Support and maintain large-scale Linux infrastructure.
• Investigate and resolve production incidents.
• Monitor platform health and respond to alerts.
• Automate operational tasks using scripting.
• Perform root cause analysis and implement long-term fixes.
• Support infrastructure upgrades and maintenance.
• Participate in an on‑call rotation.

Skills

Linux administration

Troubleshooting

Scripting (Python/Bash/Go)

Production infrastructure

Automation/config management

HPC technologies (Slurm/Lustre/GPFS)

Job description

Are you looking for an exciting new opportunity?

Join a leading technology-driven trading firm where engineering, automation, and high-performance infrastructure are central to supporting global trading operations. The organisation invests heavily in modern platform engineering practices, enabling teams to build reliable, scalable, and highly automated production environments.

As part of the HPC Operations team, you'll support large-scale Linux infrastructure within a high-performance production environment. You'll play a key role in maintaining the stability and performance of critical compute platforms, combining hands‑on troubleshooting with automation and continuous improvement to ensure highly available operations.

Responsibilities

• Support and maintain large-scale Linux infrastructure.
• Investigate and resolve production incidents.
• Monitor platform health and respond to alerts.
• Automate operational tasks using scripting.
• Perform root cause analysis and implement long-term fixes.
• Support infrastructure upgrades and maintenance.
• Participate in an on‑call rotation.

Skills/Must Have

• Linux systems administration or operations experience.
• Strong troubleshooting and diagnostic skills.
• Python, Bash, Go or similar scripting experience.
• Experience supporting production infrastructure.
• Familiarity with automation and configuration management tools.
• Exposure to HPC technologies such as Slurm, Lustre or GPFS is advantageous.

Location

• City of London (on-site)

Benefits

• Work with cutting‑edge Linux infrastructure and distributed systems.
• Solve complex technical challenges in a fast‑paced environment.
• Gain exposure to modern compute, storage and networking technologies.
• Join a collaborative team with excellent opportunities for technical growth.

Salary

• Open budget - market leading compensation package