Minimum 5 years of commercial experience in a similar position, Strong background in Linux system performance analysis, Hands-on experience with DPDK and/or SPDK for data path and storage performance, Familiarity with CPU, memory, I/O, and network performance tuning, Understanding of industry benchmarks (SPEC, FIO, iperf, Netperf, etc.), Experience developing performance tests targeting custom hardware and software components, Solid scripting skills (Python, Bash, or similar), Good knowledge of spoken and written English (everyday communication), Strong analytical and problem-solving skills; comfortable with data collection and visualization tools, Residing in Poland required