{"id":218502,"url":"https://alion.io/job/ajax-systems-mechanical-engineer-ch","title":"Mechanical Engineer (CH)","company":{"id":3575,"name":"Ajax Systems","domain":"ajax.systems","url":"https://alion.io/company/ajax-systems","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":82,"open_postings":170,"ghost_share":0.212,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":83,"computed_at":"2026-11-15T07:52:55Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Shenzhen, China"],"countries":["CN"],"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":"Asana","optional":false},{"name":"Google Docs","optional":false},{"name":"Notion","optional":false},{"name":"SolidWorks","optional":false},{"name":"TPU","optional":false},{"name":"Trello","optional":false}],"status":"live","first_seen_at":"2025-12-29T16:55:50Z","employer_posted_date":"2025-12-29","last_verified_at":"2026-11-15T06:40:40Z","board_verified":true,"closed_at":null,"days_open":320,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":319},"description":"Ajax Systems is looking for an experienced Mechanical Engineer to join our team.\nAjax Systems is a developer and manufacturer of advanced security systems with smart home capabilities. We are a full-cycle product company from idea and engineering to mass production. Our portfolio includes 70+ devices that protect properties from intrusion, fire, and flooding, while also enabling smart control of electrical appliances.\nToday, Ajax Systems protects over 2 million users in 169 countries worldwide and has received Europe’s highest security awards. We are proud to be a Ukrainian success story, a company driven by innovation, resilience, and strong engineering culture.\nKey Tasks:\nComplete lifecycle design of plastic enclosures and mechanical assemblies for consumer electronics.\nDevelopment of DFM- and DFH-oriented solutions considering mass production processes (plastic injection molding, assembly, sealing, serviceability).\nCollaboration with hardware and embedded engineers, industrial designers, technologists, quality control, and manufacturing departments.\nDesign of ergonomic, intuitive solutions adaptable to different operating environments.\nPreparation of production transfer documentation (2D drawings, specifications, technical requirements, 3D models for molds).\nSupport of mold development and approval of modifications after initial mold trials (T0-T2), including defect analysis.\nParticipation in testing and feedback from prototypes and production, incorporating design improvements.\nVerification of engineering compliance of the finished product with expected technical parameters (stiffness, assembly, weight, IP protection).\nOversight of the product lifecycle from concept to mass production, including cost analysis and assessment of the impact of design decisions on production costs.\nCommunication with Chinese factories: technical specifications, drawing reviews, change control, feedback on prototypes and production samples.\nAssessment of manufacturing risks in China: equipment limitations, mold quality, shrinkage, production tolerances, and the influence of packaging and logistics on design.\nInspection of samples from China: defect analysis (shrinkage, warping, poor casting), initial product assembly, and reporting with recommendations.\nConsideration of potential scaling difficulties in China: timeline tracking, mold duplication, and price optimization.\nContinuous communication via email, video calls, document comments (in English), and participation in editing specifications based on feedback from the Chinese side.\nTechnical Knowledge and Skills:\n3D Modeling & Design:\nSolidWorks (95% solid modeling, 5% surface modeling), basic sheet metal modeling knowledge.\nCreation of precise assemblies, constraints, tolerance verification, and preparation of models for molding production.\nAbility to break down complex projects into sub-units, using reference geometry and configurations.\nDFM / DFA / Manufacturing:\nKnowledge of mold design: opening directions, gating points, parting lines, risks of short shots/air pockets.\nOptimization for scalability and cost reduction (minimize part count, reduce weld lines, shorten cycle time).\nExperience working with factories in Ukraine and China; understanding of the mold lifecycle; participation in modifications after T1/T2.\nBasics of metal processing technologies: bending, stamping, laser cutting, milling for internal frames and auxiliary parts.\nUnderstanding of Chinese manufacturers’ practices: interpretation of drawings, overlooked details, confirmation processes.\nUnderstanding of the Chinese production structure: project managers, engineers, suppliers.\nActive participation in mold development discussions: steel selection, cost estimation, gating points, parting lines.\nFamiliarity with typical Chinese documentation formats: PDFs, STEP files, Excel specifications, compressed archives, WeTransfer/Alibaba Cloud.\nTesting & Prototyping:\nManual inspection, assembly, and analysis of critical nodes.\nIdentifying and resolving sealing, play, and fit issues.\nSkilled in the use of measuring tools: calipers, micrometers, gauges, etc.\nMaterials Science & Standards:\nProperties of ABS, PC, PC+ABS, PA+GF, TPE, and TPU: shrinkage, impact strength, heat resistance, and elasticity.\nUnderstanding material behavior during production and operation (temperature, humidity, UV).\nBalancing cost, quality, and manufacturability when selecting materials.\nFunctional Elements:\nDevelopment of fasteners, clips, guides, seals, TPE/TPU elements, and mounting slots.\nDesign of interface elements: buttons, indicators, light guides, ports, and ventilation openings.\nKnowledge of sealing methods and IP protection standards (IP54-IP67), heat dissipation, and battery compartment design.\nConsidering Chinese factory constraints: wall thickness, micro gaps, welding, and assembly limitations.\nDesigning for high repairability and ease of assembly in outsourced Chinese facilities.\nDocumentation & Production Support:\nGeneration of complete documentation bundles: 2D outlines, tolerance tables, BOMs, assembly specifications.\nImplementation of changes based on prototype or production feedback.\nParticipation in preparing technical descriptions for QC, assembly instructions, and design documentation control.\nCommunication & Tools:\nEnglish B2+ level - oral and written technical communication with Chinese suppliers.\nExperience in communication with Chinese engineers, managers, and production teams (via Alibaba, WeChat, email, video calls).\nKnowledge of Chinese business communication nuances: importance of confirmations, repetitions, and visual examples.\nUse of SolidWorks PDM, Excel, Google Docs, Asana/Trello/Notion for project management.","description_format":"text","description_chars":5716,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"Chinese","level":"All levels","optional":false},{"language":"English","level":"Upper-Intermediate (B2)","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Smart Home Devices","Access Control & Alarm Systems"],"lifecycle":[{"event":"open","at":"2026-09-05T08:56:14Z"}],"visa":[],"liveness":{"score":7,"band":"cold","label":"Long shot","p_open":1,"p_active":0.26,"p_room":0.28,"age_days":320,"expected_fill_days":83,"reasons":["conf:1","velocity","ghost","win:tail","crowd:brand"],"computed_at":"2026-11-15T07:52:55Z"},"pay":null,"html_url":"https://alion.io/job/ajax-systems-mechanical-engineer-ch","json_url":"https://alion.io/job/ajax-systems-mechanical-engineer-ch.json","meta":{"generated_at":"2026-11-15T15:44:37Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":7547,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-16T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":3575},"rest":"https://alion.io/mcp/rest/get_company?id=3575"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fajax-systems-mechanical-engineer-ch"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"free","price":{"credits":0,"usd":0},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fajax-systems-mechanical-engineer-ch"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fajax-systems-mechanical-engineer-ch"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/ajax-systems-mechanical-engineer-ch\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fajax-systems-mechanical-engineer-ch"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":218502}},{"tool":"search_jobs","arguments":{"company":"ajax.systems","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":218502},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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