Jobs / CommonAI C.I.C.
Network Infrastructure Engineer
CommonAI C.I.C. · Cambridge, ENG, United Kingdom
Cambridge, ENG, United KingdomPart timeHybrid
Remuneration
Competitive salary package, pension and benefits
Location
Cambridge, ENG, United Kingdom
Visa sponsorship
Not specified
Job summary
Design and evolve the physical networks connecting AI and HPC clusters in a UK-based R&D testbed, covering out-of-band, frontend/storage and accelerator fabrics. Develop topology, switch placement, port maps, cabling specifications and bills of materials; oversee installation, link testing and as-built documentation. Coordinate with suppliers, installers, project managers and operations teams, working with technologies such as InfiniBand, RoCE, high-speed Ethernet and data-centre fibre optics.
Benefits
Pension and benefitsProfessional development opportunitiesCollaborative and supportive work environment
Qualifications
- Experience designing HPC or AI cluster networks from specification through installation.
- Understanding of out-of-band, frontend and accelerator fabric networking.
- Practical knowledge of InfiniBand, RoCE or similar lossless fabrics and fat-tree or rail-optimised topologies.
- Knowledge of data-centre fibre types, connectors, polarity, pinning and link-loss budgets.
- Ability to communicate designs clearly to technical and project stakeholders.
Responsibilities
- Design physical networks for new clusters, including fabric topologies, switch placement, port maps, cable schedules and bills of materials.
- Specify fibre and copper infrastructure, connectors, transceivers, DACs and AOCs.
- Plan cluster changes to enable equipment reuse with minimal disruption.
- Produce network drawings and specifications, review supplier quotations, and inspect and test completed installations.
- Maintain accurate as-built records of racks, cables, ports and links.
- Coordinate project sequencing and lead times, and support network bring-up and fault-finding.
Skills
Kubernetes
Work schedule
Generally UK business hoursOccasional evening or weekend installation work
Travel
Occasional travel to Harlow during builds and network changesOccasional travel to future sites elsewhere in the UK
Industry
AIHPCData centresResearch and development
Relocation
No