{"id":474390,"url":"https://alion.io/job/ses-ai-mechanical-engineer","title":"Mechanical Engineer","company":{"id":31799,"name":"SES AI","domain":"ses.ai","url":"https://alion.io/company/ses","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"D","score":42,"open_postings":36,"ghost_share":0.972,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-11-02T06:13:15Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","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":["Shanghai, China"],"countries":["CN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":27000,"max_usd":60000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":5668},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CATIA","optional":false},{"name":"SolidWorks","optional":false}],"status":"live","first_seen_at":"2023-01-16T19:03:05Z","employer_posted_date":"2026-06-22","last_verified_at":"2026-11-02T07:22:07Z","board_verified":true,"closed_at":null,"days_open":1385,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":1385},"description":"Mechanical Engineer\nResponsibilities\nResponsible for the analysis and evaluation of power battery cell selection, structural materials and product structure design scheme according to customer SOR\n\nResponsible for the schematic design of power battery PACK battery system and modules, detailed design of 3D digital model and 2D drawings\n\nResponsible for the safety and reliability design of power battery PACK battery system and module level\n\nSystematically analyzed the problems found in trial production, mass production and user feedback, and put forward improvement suggestions\n\nResponsible for sample sending and making, processing progress tracking, sample confirmation, etc.\n\nResponsible for testing and verification of Pack system and parts, design optimization according to regulations or customer requirements, and structural improvement for mass production\n\nPrepare design specifications and patents\n\nQualifications\nBachelor’s degree or above, major in electrochemistry, Vehicle engineering, Mechatronics, polymer materials, Electrical engineering, automation, etc\n\nMore than 3 years of experience in power battery PACK structure design, experience in product G&D drawing, dimension chain analysis, ability to independently design pack battery system structure, independent structural strength simulation ability is preferred\n\nExperience in composite material structure design and structural airworthiness verification of aircraft is preferred\n\nFamiliar with battery electrical related professional knowledge, battery selection and testing experience is preferred\n\nFamiliar with the characteristics and application range of metal materials and plastic materials, proficient in injection molding process, sheet metal processing process, surface treatment, etc., skilled in Solidworks, CATIA, UG and other design software\nAble to read and write in English\n\nWork hard, careful and rigorous, have a sense of responsibility and good team 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