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CIQ

Senior/Principal Performance Engineer

CIQ
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2 months ago
Remote, WorldwideSenior / Staff+
H1B Sponsor

Responsibilities

  • Design, develop, and maintain comprehensive benchmarking frameworks spanning OS, kernel, and application layers.
  • Profile workloads across CPU, memory, I/O, network, and accelerator subsystems to identify bottlenecks and optimization opportunities.
  • Establish and own performance baselines across CIQ's product and solutions portfolio.
  • Build and maintain automated performance regression-detection pipelines integrated into CI/CD workflows using Fuzzball.
  • Identify, triage, and resolve regressions across user space, kernel space, and application layers.
  • Drive proactive performance improvements across every layer of the stack.
  • Optimize for AI inference and training workloads, including LLM serving and model parallelism.
  • Develop deep expertise in CIQ's Fuzzball platform and integrate performance benchmarks into its pipelines.
  • Collaborate with engineering teams to deliver performance improvements that benefit customers.

Requirements

  • Deep understanding of operating system internals, including Linux kernel scheduler and memory subsystem.
  • Proven experience identifying and resolving performance regressions in production environments.
  • Hands-on expertise with profiling and tracing tools such as perf, eBPF, and VTune.
  • Strong background in AI/ML workload performance and GPU/accelerator utilization.
  • Experience with HPC workloads and job schedulers like Slurm or PBS.
  • Familiarity with modern AI-first development workflows.
  • Experience building automated performance testing and regression detection pipelines.
  • Excellent analytical skills for designing experiments and drawing conclusions from data.
  • Strong written and verbal communication skills for presenting findings.
  • A collaborative mindset with the confidence to champion performance engineering.

Benefits

  • Medical, dental, and vision insurance.
  • Flexible paid time off.
  • Employee stock options.
  • Remote work; no travel required for most positions.

Categories

AI & MLData EngineeringSecurityTesting