Senior GPU Cluster Architect & Infra Design Lead

NexGen Cloud Ltd.; United States; Hybrid; USD 180,000 - 230,000; Full time

Benefits offered by this job

Competitive salary

Annual discretionary bonus

25 days holiday

Private medical insurance

Enhanced pension scheme

Flexible work (remote or hybrid)

Autonomy and ownership

Clear career progression

Collaborative, international culture

Opportunity to shape NexGen Cloud's未来

Job summary

NexGen Cloud Ltd. is seeking a Technical Architect to lead the design and deployment of large-scale GPU clusters for live data centres. You will translate high-level concepts into build-ready layouts, cabinets, cables, and BOMs, ensuring on-site execution aligns with validated designs.

You will collaborate with OEMs and integrators to meet performance and reliability targets, influence containment and cooling strategies, and drive reusable reference designs for future deployments.

Qualifications

• Experience designing and delivering large-scale GPU/HPC clusters in live data centres.
• Practical knowledge of NVIDIA platforms GB200/GB300 and HGX H200/B200.
• Experience designing InfiniBand and Ethernet fabric topologies and cabling.
• Expertise in power redundancy, direct liquid cooling, CDU containment.
• Ability to hold OEMs to commitments and manage BOM changes.

Responsibilities

• Owns cluster designs from CTO handover to customer acceptance.
• Turns high-level designs into build-ready layouts, rack elevations, and BOMs.
• Designs fabric, power, cooling to fit data centre constraints.
• Validates BOMs and calls out substitutions with impact knowledge.
• Ensures OEMs meet technical commitments through on-site resolutions.
• Develops reference designs to accelerate future deployments.

Skills

GPU/HPC clusters

NVIDIA GB200/GB300

InfiniBand fabric design

Power & cooling design

OEM accountability

Job description

NexGen Cloud Ltd. is seeking a Technical Architect to lead the design and deployment of large-scale GPU clusters for live data centres. You will translate high-level concepts into build-ready layouts, cabinets, cables, and BOMs, ensuring on-site execution aligns with validated designs.

You will collaborate with OEMs and integrators to meet performance and reliability targets, influence containment and cooling strategies, and drive reusable reference designs for future deployments.