{"id":1769836,"url":"https://alion.io/job/lenovo-system-performance-engineer","title":"System Performance Engineer","company":{"id":15044,"name":"Lenovo","domain":"lenovo.com","url":"https://alion.io/company/lenovo","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Avature","truth_index":null},"role":"DevOps","role_family":"DevOps","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Taipei, Taiwan"],"countries":["TW"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Bash","optional":false},{"name":"InfiniBand","optional":false},{"name":"Linux","optional":false},{"name":"MPI","optional":false},{"name":"Python","optional":false},{"name":"TCP/IP","optional":false},{"name":"Tcpdump","optional":false},{"name":"Wireshark","optional":false},{"name":"C","optional":true}],"status":"live","first_seen_at":"2026-10-03T15:04:09Z","employer_posted_date":"2026-10-03","last_verified_at":"2026-10-05T02:48:12Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Position Overview\nWe are looking for a System Performance Engineer to support performance testing, analysis, and optimization of network subsystems across Lenovo server platforms. This hands-on engineering role focuses on evaluating high-speed network interfaces, fabrics, and platform I/O throughput to ensure maximum network efficiency and minimal latency.\nThe engineer will work with system architects, networking vendors, and cross-functional engineering teams to evaluate network performance, identify bandwidth bottlenecks, and validate networking subsystems throughout the product development lifecycle.\nKey Responsibilities\nPerform hands-on setup, configuration, and validation of high-speed network adapters (NICs, SmartNICs, DPUs), switches, and cabling on Lenovo server platforms.\n\nRun network performance benchmarks and synthetic workloads (e.g., iperf3, netperf, fio over network storage, MPI ping-pong) and analyze throughput, packet rates, and latency profiles.\n\nSupport network performance characterization across PCIe switches, RoCEv2, InfiniBand, Ethernet fabric, and host memory I/O interfaces.\n\nInvestigate network-level performance issues, frame drops, jitter, and link training degradation, assisting with root-cause analysis and packet-level debugging (e.g., tcpdump, Wireshark).\n\nEvaluate how host hardware topology (NUMA nodes, PCIe tree design), UEFI settings, OS kernel tunings, and network stack configurations affect data path efficiency.\n\nCollaborate with system architecture, networking firmware, hardware, thermal, and OS teams to optimize network-related platform configurations.\n\nSupport performance validation for next-generation network technologies, high-speed optics, and advanced offload engines.\n\nDevelop and maintain automated network test procedures, technical documentation, and benchmarking best practices.\n\nWork alongside senior network architects to address customer-reported network degradation and scale-out cluster performance issues.\n\nQualifications\nBachelor's degree or higher in Computer Engineering, Electrical Engineering, Computer Science, or a related technical field.\n\nSolid understanding of computer architecture fundamentals, focusing on I/O pathways, PCIe generations, and host memory access (NUMA).\n\nStrong foundational knowledge of networking protocols (TCP/IP, UDP, Ethernet), frame structures, and network layers.\n\nFamiliarity with Linux networking stack administration, interface configuration, and command-line diagnostics (e.g., iproute2, ethtool, sysctl).\n\nInterest in hands-on hardware testing, cable testing, and packet-level debugging.\n\nAbility to analyze performance metrics (Gbps, Mpps, RTT, packet loss) and troubleshoot system-level network issues.\n\nGood communication and teamwork skills.\n\nExperience with server hardware, high-speed networking adapters, automation scripting (Python/Bash), or network benchmarking tools is a plus.","description_format":"text","description_chars":2907,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Laptops"],"lifecycle":[{"event":"open","at":"2026-10-03T15:04:09Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":21,"reasons":["conf:0","win:early","comp:brand"],"computed_at":"2026-10-04T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/lenovo-system-performance-engineer","json_url":"https://alion.io/job/lenovo-system-performance-engineer.json","meta":{"generated_at":"2026-10-05T03:25:20Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":4573,"day_limit":5000,"remaining_today":427,"minute_limit":60,"resets_at":"2026-10-06T00:00:00Z"}}}