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Linux HPC Sysadmin & Infrastructure Engineer
Jump Trading is committed to world-class research. We empower exceptional talents in Mathematics, Physics, and Computer Science to seek scientific boundaries, push through them, and apply cutting-edge research to global financial markets. Our culture is unique—constant innovation requires fearlessness, creativity, intellectual honesty, and a relentless competitive streak. We believe in winning together and unlocking unique individual talent by incentivising collaboration and mutual respect.
At Jump, research outcomes drive more than just superior risk-adjusted returns. We design, develop, and deploy technologies that change our world, fund start-ups across industries, and partner with leading global research organisations and universities to solve problems.
The Role
We are looking for an adaptable, hands-on individual passionate about the details and nuances of managing Linux HPC environments at scale, eager to tackle complex and unpredictable operational work as their primary job function.
What You’ll Do
- Provide front-line operational support for 24/7 Linux HPC compute, storage, and interconnects, including:
- RDMA fabrics
- Parallel filesystems (e.g., Lustre, GPFS)
- HPC batch schedulers
- FUSE filesystems
- Internal Jump software
- Multi-vendor hardware
- Cybersecurity requirements
- Solve problem reports and questions from 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 automate frequently performed tasks
- Collaborate with team members and across teams to write code and testing infrastructures in new and existing codebases in multiple programming languages
- Manage relationships with external vendors, including domestic and international travel to engage with current and potential vendors
- Implement and support performance monitoring and fault monitoring systems
- Develop and improve systems and user documentation
- Develop and monitor tools used to maintain production computing environments
- Act as the primary operational support point of contact
- Adhere to all company cybersecurity and IT policies, including using only approved hardware and software
- Participate in on-call rotations
- Perform other tasks as assigned or needed
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Work Arrangement:
- Work from a company office an average of 5 days per week
Skills & Experience Required
Essential:
- A strong desire for operational work as the primary job function
- At least 2 years of professional experience with Linux systems administration
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Desired:
- High-performance computing (HPC) experience, including:
- Parallel filesystems (e.g., Lustre, GPFS)
- Batch systems (e.g., Slurm, Grid Engine)
- High-performance network interconnects
- High proficiency in at least one programming/scripting language (e.g., Go, Python, C) and the ability to learn additional languages quickly
- A compulsion for root cause analysis
- Strong verbal and written communication skills, including effectively interacting with:
- Coworkers
- Third-party vendors
- Fluent collaboration across teams, with a willingness to tackle varied and complex tasks
- Ability to independently manage complex projects and multiple workstreams
- A strong sense of urgency
- Willingness to undertake regular operational maintenance during evenings and weekends when required
- Ability to work effectively in a busy, open-plan office environment
- Reliable and predictable availability for on-call duties
Benefits
- Private Medical, Vision, and Dental Insurance
- Travel Medical Insurance
- Group Pension Scheme
- Group Life Assurance & Income Protection Schemes
- Paid Parental Leave
- Parking and Commuter Benefits
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