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Cloud Architecture & Engineering Workstream Lead (Singapore)
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AI Summary
Own the physical reality of GPU compute clusters across seven regions, from rack bring-up to ongoing reliability. Bring up new GPU racks, validate InfiniBand fabric end-to-end, run capacity planning, own regional incident response, and carry the global pager. Requires five-plus years operating large compute clusters with deep InfiniBand and Linux expertise; comfort writing Go or Python preferred.
Key Highlights
IC4–IC6 individual contributor role covering one primary and rotating secondary region across Cologix data centers.
Hands-on GPU rack bring-up including cabling, InfiniBand fabric validation, and performance baselining.
Owns P1 incident response within the region with a four-hour resolution target.
Full published compensation band with no negotiation; early-stage equity included.
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Key Responsibilities
Bring up new B200 / B300 / MI300X racks including cabling, ToR config, NCCL/RCCL all-reduce validation, and MFU baseline tests
Drive InfiniBand fabric to spec and chase residual bit-error budget down to zero
Run capacity planning across seven regions forecasting demand and modeling power and thermal headroom
Own regional incident response with P1 paging within fifteen minutes and a four-hour resolution target
Build and maintain the bring-up runbook so subsequent hires can operate independently
Carry the global pager rotation approximately one week per six alongside runtime and customer engineering
Technical Skills Required
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Benefits & Perks
Published compensation bands met exactly with no negotiation
Early-stage equity refreshed on tenure milestones
On-site pay differential of +5–10% at Cologix regions outside SF/NYC/Bay Area
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Nice to Have
DGX H100 / H200 / B200 bring-up history
Experience with NVIDIA Bright / Base Command Manager
Bare-metal provisioning systems such as Tinkerbell, MAAS, Razor, or in-house equivalents
Procurement / vendor management experience
Job Description
The Team
Cluster SRE is six engineers across the seven regions. Each region has a primary and a secondary; you will be one of those for your region. The team coordinates daily, deploys weekly, and rotates a global pager.
Reports to the head of cluster engineering. Primary on a single region; rotates secondary for one neighboring region.
The Role
What You'll Do
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