{"id":1637664,"url":"https://alion.io/job/upscale-ai-signal-integrity-engineer-i","title":"Signal Integrity Engineer I","company":{"id":3854037,"name":"Upscale AI","domain":"upscaleai.ai","url":"https://alion.io/company/upscale-ai-2","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"C","score":68,"open_postings":19,"ghost_share":0.526,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-15T05:46:00Z"}},"role":"Hardware","role_family":"Hardware","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":117000,"max":129000,"currency":"USD","period":"year","gross":null,"usd_annual":129000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansys HFSS","optional":true},{"name":"Cadence Sigrity","optional":true},{"name":"Keysight ADS","optional":true}],"status":"live","first_seen_at":"2026-06-22T01:57:59Z","employer_posted_date":"2026-06-22","last_verified_at":"2026-10-15T11:58:26Z","board_verified":true,"closed_at":null,"days_open":115,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":115},"description":"Position Summary\nWe are looking for a motivated Junior Signal Integrity Engineer to join our Hardware Engineering team. The candidate will support Signal Integrity (SI) and Power Integrity (PI) analysis for high-speed PCB designs used in networking, AI, data center, and compute platforms. This role offers an excellent opportunity to work alongside experienced SI engineers while developing expertise in high-speed system design, simulation, measurement, and debugging.\nResponsibilities\nSupport SI/PI analysis for high-speed PCB designs from architecture through product validation.\nAssist with channel modeling, simulation, and optimization for high-speed interfaces.\nPerform signal quality measurements using laboratory equipment.\nSupport PCB stackup reviews, routing reviews, and design guideline development.\nAnalyze transmission lines, vias, connectors, cables, and package-to-board interfaces.\nParticipate in correlation between simulation and laboratory measurements.\nWork closely with PCB designers, hardware engineers, package engineers, and silicon teams.\nDocument simulation results, measurements, and design recommendations.\nAssist in root-cause analysis and debugging of signal integrity issues.\nPreferred Qualifications\n\nBS or MS in Electrical Engineering or related field.\n0-3 years of experience in Signal Integrity, PCB Design, Hardware Design, or related areas.\nBasic understanding of:\n- High-speed digital design\n- Transmission line theory\n- PCB stackups and routing\n- S-parameters and eye diagrams\n- SI and PI fundamentals\nExposure to one or more simulation tools such as:\n\nCadence Clarity\nCadence Sigrity\nKeysight ADS\nAnsys HFSS\nExposure to laboratory instruments such as:\n\nVector Network Analyzer (VNA)\nTDR/TDT\nHigh-speed Oscilloscopes\nStrong analytical and problem-solving skills.\nExcellent communication and teamwork abilities.\nNice to Have\n\nExperience with 56G/112G/224G SerDes systems.\nKnowledge of PCIe, Ethernet, UCIe, DDR 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