{"id":1333691,"url":"https://alion.io/job/ul-ai-simulation-engineer-computation-fluid-dynamics-combustion","title":"AI / Simulation Engineer (Computation Fluid Dynamics - Combustion)","company":{"id":1754684,"name":"UL","domain":"ul.com","url":"https://alion.io/company/ul-com","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"B","score":75,"open_postings":61,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-09-28T05:45:00Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bengaluru, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":19000,"max_usd":48000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":22},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-06-29T04:37:30Z","employer_posted_date":"2026-06-29","last_verified_at":"2026-09-28T22:36:53Z","board_verified":true,"closed_at":null,"days_open":91,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":91},"description":"Develop and execute CFD simulations for refrigerant leakage, gas dispersion, and ventilation analysis\nModel multiphase flows, multi-species transport, and transient flow behavior\nPerform fire and combustion simulations, including ignition, flame propagation, and heat release\nAnalyze hazard scenarios such as confined space leakage, accumulation, and flammability limits\nApply appropriate boundary conditions for leak sources, mass flow rates, and environmental conditions\nConduct steady-state and transient simulations for leak evolution and fire scenarios\nInterpret results to identify risk zones, ignition probability, and mitigation strategies\nSupport V&V activities, including comparison with test data and literature correlations\nPrepare technical reports highlighting assumptions, risks, and safety insights\nCollaborate with cross-functional teams on safety, compliance, and product design\nBachelor’s / Master’s in Mechanical, Chemical, Aerospace Engineering, or related field\n4-8 years of experience in CFD with focus on fluid flow and safety modeling\nStrong fundamentals in:\nFluid dynamics and turbulence\nHeat transfer\nMultiphase flow and species transport\nCombustion and fire dynamics\nExperience with CFD tools such as: ANSYS Fluent / CFX / STAR-CCM+ / OpenFOAM / COMSOL\nHands-on experience in:\nRefrigerant leakage modeling\nGas dispersion and ventilation studies\nFire/combustion simulations\nUnderstanding of:\nFlammability limits and hazard assessment\nTransient flow and leak dynamics\nBasic V&V practices\nGood communication and technical documentation skills\nPreferred:\nExposure to HVAC/refrigeration systems\nFamiliarity with safety / regulatory-driven simulations","description_format":"text","description_chars":1673,"description_truncated":false,"requirements":{"experience_years_min":4,"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":["Artificial Intelligence","Energy & Utilities","Professional Services","Testing, Inspection & Certification"],"lifecycle":[{"event":"open","at":"2026-09-27T13:31:16Z"}],"liveness":{"score":7,"band":"cold","label":"Long shot","p_open":1,"p_active":0.232,"p_room":0.28,"age_days":91,"expected_fill_days":26,"reasons":["conf:12","stale_co","win:tail","crowd:brand"],"computed_at":"2026-09-28T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/ul-ai-simulation-engineer-computation-fluid-dynamics-combustion","json_url":"https://alion.io/job/ul-ai-simulation-engineer-computation-fluid-dynamics-combustion.json","meta":{"generated_at":"2026-09-29T01:50:33Z","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":1518,"day_limit":5000,"remaining_today":3482,"minute_limit":60,"resets_at":"2026-09-30T00:00:00Z"}}}