Performance Engineer – DPU Systems (f/m/x)

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.

By joining us, you become a member of the Embedded Competence Center at Sii is an internal organizational unit, bringing together more than 500 specialists nationwide! We are currently working on about 100 projects for 50 clients from various industries, including automotive, IoT, telecommunications, and medical.

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

• Residing in Poland required

What we offer 

• Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas 

• Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market 

• We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 

• Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more 

• Comfortable workplace – class A offices or remote work 

• Dozens of fascinating projects for prestigious brands from all over the world 

• PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers 

• Investment in your growth – meetups, webinars, training platform and technology blog – you choose 

• Fantastic atmosphere created by all Sii Power People 

If you want to work on systems with high operational significance — apply now!