{"id":3821487,"url":"https://alion.io/job/apple-performance-and-modeling-engineer","title":"Performance and Modeling Engineer","company":{"id":12,"name":"Apple","domain":"apple.com","url":"https://alion.io/company/apple","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Apple Jobs","truth_index":{"grade":"A","score":90,"open_postings":829,"ghost_share":0,"stale_share":0.181,"repost_share":0.004,"time_to_fill_p50_days":90,"computed_at":"2026-11-06T05:58:05Z"}},"role":"Hardware","role_family":"Hardware","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":["Austin, United States"],"countries":["US"],"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":"C++","optional":false},{"name":"Python","optional":false},{"name":"Ray","optional":false},{"name":"SystemVerilog","optional":false},{"name":"Verilog","optional":false}],"status":"live","first_seen_at":"2026-11-05T16:27:06Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-07T04:32:37Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Imagine what you can do here. Apple is a place where extraordinary people gather to do their lives best work. Together we create products and experiences people once couldn't have imagined, and now, can't imagine living without. It's the diversity of those people and their ideas that inspires the innovation that runs through everything we do.\nDescription\nAPPLE INC has the following available in Austin, Texas. Developing performance test plans to validate GPU performance. Analyzing performance issues to identify hardware and software problems. Proposing novel hardware solutions to improve GPU performance. Developing tools to aid in the efficient measurement, communication and improvement of GPU performance. Validating the functionality and quantify the performance benefit of the features and algorithms implemented in hardware and software. 40 hours/week.\nMinimum Qualifications\nBachelor's degree or foreign equivalent in Computer Science and Computer Engineering or related field.\nExperience and/or education must include:\nDeveloped performance and profiling tools to analyze hardware performance and bottlenecks.\nTriaging and analysing performance issues on novel high-performance hardware.\nCorrelating and developing on both RTL hardware design and C++ software simulators.\nAnalyzing modern benchmarks and real-life workloads for hardware optimizations.\nKnowledge of Computer Graphics, Graphics Programming, Modern Graphics Techniques and Ray Tracing.\nExperience developing data analysis and visualization code with Python.\nKnowledge of High Performance Computer Architecture.\nExperience programming and debugging System Verilog or Verilog.\nKnowledge of Compilers, Operating Systems, and Software interactions with Hardware.\nAbility to communicate efficiently, design detailed reports and present findings.\nPreferred Qualifications\nN/A","description_format":"text","description_chars":1848,"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":["Operating Systems","Laptops","Smartwatches & Fitness Trackers","Tablets"],"lifecycle":[{"event":"open","at":"2026-11-05T17:23:45Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"H-1B filings in 12 months: 6,350 · green card filings: 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