{"id":800933,"url":"https://alion.io/job/rootaccess-machine-learning-engineer","title":"Machine Learning Engineer","company":{"id":688226,"name":"Root Access","domain":"rootaccess.ai","url":"https://alion.io/company/rootaccess-2","size_band":"1-10","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"AI/ML","role_family":"AI/ML","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":145000,"max_usd":276000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":334},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"JAX","optional":false},{"name":"Machine Learning","optional":false},{"name":"NumPy","optional":false},{"name":"Open3D","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"SciML","optional":false},{"name":"SciPy","optional":false},{"name":"Julia","optional":true}],"status":"closed","first_seen_at":"2026-07-10T23:29:11Z","employer_posted_date":"2026-07-10","last_verified_at":"2026-09-28T18:14:54Z","board_verified":false,"closed_at":"2026-09-28T18:14:54Z","days_open":79,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":79},"description":"About the company\nRoot Access is a frontier electronics company. We are a NYC-based startup funded by top investors. Our team is a passionate mix of engineers across electrical, firmware, software, and machine learning.\nCore Responsibilities\nArchitect Physics Foundation Models: Design and train deep learning models.\n\nBuild the ECAD Data Pipeline: Develop high-performance asset pipelines to convert geometric, discrete, and multi-layer PCB files (ODB++, IPC-2581, STEP, Gerber) into continuous space data.\n\nMulti-Modal Architecture Integration: Collaborate on connecting upstream Graph Neural Networks (GNNs) or LLMs mapping schematic topologies to downstream spatial physics engines.\n\nOptimize for Real-Time Execution: Optimize training and inference pipelines on GPU clusters.\n\nRequired Technical Skills & Qualifications\nEducation: Master’s or Ph.D. in Computer Science, Mathematics, EE, Physics, or a related quantitative field with a focus on Scientific Machine Learning (SciML).\n\nDeep Learning Frameworks: 4+ years of expert-level experience with PyTorch or JAX.\n\nSciML Expertise: Direct, hands-on experience building and training PINNs, FNOs, etc.\n\nMathematical Depth: Exceptional understanding of partial differential equations (PDEs), vector calculus, automatic differentiation (autograd), and numerical optimization algorithms (Adam, L-BFGS).\n\nData Pipelines: Strong proficiency in manipulating spatial or geometric datasets using Python libraries (NumPy, SciPy, Shapely, Open3D, or custom voxelization matrices).","description_format":"text","description_chars":1524,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"master","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-12T07:41:41Z"},{"event":"close","at":"2026-09-28T18:14:54Z"}],"liveness":null,"pay":null,"html_url":"https://alion.io/job/rootaccess-machine-learning-engineer","json_url":"https://alion.io/job/rootaccess-machine-learning-engineer.json","meta":{"generated_at":"2026-09-29T04:33:41Z","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":4331,"day_limit":5000,"remaining_today":669,"minute_limit":60,"resets_at":"2026-09-30T00:00:00Z"}}}