Overview

Performance Engineer – DPU Systems (f/m/x) at Sii Poland. As a Performance Engineer, you will analyze, measure, and optimize the end-to-end performance of DPU-based systems, including computer, networking, storage, and security workloads. You’ll work closely with architecture, software, and validation teams to define benchmarks, identify bottlenecks, and guide optimizations at both the software and hardware levels.

As a member of the Embedded Competence Center at Sii, you join an internal organizational unit bringing together more than 500 specialists nationwide. We are currently working on about 100 projects for 50 clients across industries including automotive, IoT, telecommunications, and medical.

Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.

Your Tasks

• Develop and execute performance tests and benchmarks for DPU components
• Analyze system behavior under high-load scenarios and identify performance bottlenecks
• Collaborate with software, firmware, and hardware teams to drive optimizations
• Gather and visualize performance metrics for reporting and competitive analysis
• Contribute to performance automation and CI workflows

Requirements

• 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
• Residence in Poland required

Job Details

• Seniority level: Mid-Senior level
• Employment type: Full-time
• Job function: Engineering and Information Technology
• Industries: IT Services and IT Consulting

Benefits

• Great Place to Work
• Solid financial situation
• Contracts with the biggest brands
• Centre of internal trainings
• Many experts you can learn from
• Open and accessible management team
• Profit sharing
• Passion Sponsorship program
• Regular integration events and trips
• Comfortable and well-equipped offices
• MySii app
• Medical care

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