Performance Engineer - AI Ecosystem

Lenovo is a global technology powerhouse focused on delivering Smarter Technology for All. The Performance Engineer will run hands-on performance and latency tests for Qira on physical devices, focusing on collecting accurate performance measurements and reporting results to engineering teams.

Responsibilities

• Run manual and automated performance and latency tests on Qira devices (PCs, phones, tablets)
• Execute test plans for cold‑start latency, model response times, CPU/GPU load, memory use, battery impact, network conditions, and cross‑device performance
• Use monitoring tools, logs, and profiling utilities to collect reliable data from devices
• Set up, configure, and maintain device test stations, including OS builds, Qira versions, and test environments
• Record, organize, and report performance results to engineering teams in clear, accurate formats
• Reproduce reported performance issues and validate performance fixes
• Follow structured processes for device flashing, test updates, and controlled testing conditions

Skills

• Experience running performance or latency tests on software, mobile devices, or hardware systems
• Bachelor's Degree in an Engineering or Technical Discipline
• Basic understanding of Android, Windows, or device‑level performance tools
• Experience following structured test plans and accurately capture numerical results
• Experience working hands‑on with devices, cables, builds, and lab equipment
• Experience with basic logs, metrics, and debugging steps
• Ability to work on‑site in Chicago (no remote option)
• Experience with mobile or PC hardware performance testing
• Exposure to AI/ML workloads or latency‑sensitive applications
• Strong attention to detail and clear communication skills
• Familiarity with device flashing, ADB, performance profilers, or network throttling tools
• Experience working in an engineering lab or device test environment

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