HPC Operations Engineer

Job title: HPC Operations Engineer

Jump Trading is seeking an adaptable, hands-on HPC Operations Engineer to manage Linux HPC environments at scale and tackle complex, unpredictable operational work as their primary job function. We design, deploy, and support infrastructure to enable research and global markets, requiring curiosity, discipline, and a bias towards automation. This role is based in London and involves 24/7 support, collaboration across teams, and ongoing optimization of compute, storage, and interconnects.

What You'll Do

• Provide front-line operational support for 24/7 Linux HPC compute, storage, and interconnects. Technologies involved include RDMA fabrics, parallel filesystems, HPC batch schedulers, FUSE filesystems, internal Jump software, multi-vendor hardware, cybersecurity requirements, a challenging and unpredictable client workload, and high user expectations
• Solve problem reports and questions posed by members of Jump's research community, escalating as needed and managing the entire problem lifecycle.
• Respond to alerts in a timely fashion
• Participate in large, coordinated maintenance operations, including during evenings and weekends
• Work on global projects across a wide range of infrastructure
• Write code for diagnosing, resolving, and triaging difficult problems and automating frequently performed tasks
• Collaborate with team members and across teams to write code and testing infrastructures spanning both new and existing codebases in multiple programming languages
• Manage relationships with outside vendors, including traveling both domestically and internationally to meet with current and potential vendors
• Implement and support performance monitoring and fault monitoring systems
• Develop and improve systems and user documentation
• Develop and monitor the tools used to maintain a production computing environment
• Provide operational support as primary job function
• Adhere to all company cybersecurity and IT policies, including performing all work using only approved hardware and software
• Participate in an on-call rotation
• Other tasks as assigned or needed
• Work from company office an average of 5 days a week

What We're Looking For

• A desire for operational work as primary job function
• At least 2+ years of professional experience with Linux systems administration
• HPC experience including parallel filesystems (e.g., Lustre, GPFS), batch systems (e.g., Slurm, Grid Engine), and high-performance network interconnects is a plus, but not required
• High proficiency with at least one programming/scripting language (e.g., Go, Python, C) and ability to learn additional languages quickly
• A compulsion to perform root cause analysis
• Strong verbal and written communication skills, including the ability to communicate effectively and efficiently with both coworkers and third-party vendors
• Strong collaboration skills with a willingness to undertake tasks of various technologies and complexities
• Ability to independently manage complex projects and multiple workstreams
• Strong sense of urgency
• Willingness to perform regular operational maintenance work during evenings and weekends and as needed
• Ability to work effectively in a busy, open floor plan office environment
• Reliable and predictable availability

Compensation & Benefits

• Benefits include: Private Medical, Vision and Dental Insurance, Travel Medical Insurance, Group Pension Scheme, Group Life Assurance and Income Protection Schemes, Paid Parental Leave, Parking and Commuter Benefits