Found Description
Cluster & SRE
Cluster Site Reliability Engineer
Location: On-site
Type: Full-time
Team: Cluster & SRE
Preferred region: Cologix region of choice (Toronto, Montréal, Columbus, Vancouver, Ashburn)
Stack
- Linux
- InfiniBand (NDR / XDR)
- NCCL / RCCL
- Kubernetes (host‑level)
- Terraform
- Prometheus / Grafana
- Go or Python
Responsibilities
- Bring up new B200 / B300 / MI300X racks: cabling, ToR config, NCCL/RCCL all‑reduce validation, MFU baseline tests.
- Drive InfiniBand fabric to spec — NDR / XDR depending on the rack — and chase residual bit‑error budget down to zero.
- Run capacity planning across seven regions: forecast demand, model power and thermal headroom, work with procurement on lead times.
- Own the regional incident response. P1 incidents page within fifteen minutes; resolution target is four ho...