{"id":2499604,"url":"https://alion.io/job/bellwether-coffee-senior-mechanical-engineer","title":"Senior Mechanical Engineer","company":{"id":2049247,"name":"Bellwether Coffee","domain":"bellwethercoffee.com","url":"https://alion.io/company/bellwethercoffee","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"BambooHR","truth_index":{"grade":"B","score":75,"open_postings":3,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Berkeley, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":140000,"max":180000,"currency":"USD","period":"year","gross":null,"usd_annual":180000},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-03-17T00:00:00Z","employer_posted_date":"2026-03-17","last_verified_at":"2026-10-29T21:39:29Z","board_verified":true,"closed_at":null,"days_open":227,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":226},"description":"Role: Senior Mechanical Engineer\nDepartment: Hardware Engineering\nReports To: Director of Hardware Engineering\nCompensation Range: $140,000.00 - $180,000.00 annual salary\nAbout Us\nHeadquartered in Berkeley, CA, Bellwether Coffee is working to positively transform the coffee industry by making coffee roasting more accessible and sustainable. Our revolutionary electric, ventless commercial coffee roaster does not require gas lines or expensive ventilation. It’s the most consistent and controllable roaster available, has the lowest carbon footprint of any commercial roaster ever made, and was designed by coffee people who want a better future. Our roasting platform allows Bellwether customers to easily and responsibly source green coffee from incredible coffee farms around the world, expertly roast using artisan-crafted roast profiles, and share fresh, delicious coffee!\nAbout this Role\nWe’re seeking a Senior Mechanical Engineer who is passionate about designing products that balance exceptional customer experience with scalable, reliable manufacturing. This role will own significant mechanical design efforts for critical sub-systems and collaborate cross functionally between Engineering, Operations, and Manufacturing teams. You’ll help ensure our products are not only engineered for performance and reliability, but also intuitive for customers, manufacturable at scale, and cost-efficient.\nJob Location\nThe role requires on-site presence at Bellwether’s Berkeley HQ.\nPrimary Responsibilities\nLead the design and development of complex mechanical subsystems from concept through manufacturing.\nDefine system architecture, component selection, and engineering tradeoffs to meet product performance, reliability, and durability requirements.\nCreate detailed CAD models, assemblies, and drawings with appropriate GD&T annotations.\nDesign components and systems optimized for manufacturability, cost efficiency, scalability, and serviceability (DFM/DFA).\nBuild and test prototypes to validate function, reliability, user interaction, and manufacturability.\nDevelop engineering requirements, test plans, and documentation to support product development and validation.\nLead and participate in design reviews, including concept reviews, PDRs, CDRs, and production readiness reviews.\nWork closely with suppliers, fabricators, and manufacturing to ensure designs meet quality standards and are delivered on schedule.\nIdentify opportunities for product improvement, cost reduction, and manufacturing optimization.\nCollaborate cross-functionally with electrical, firmware, software, product, industrial design, operations, and supply chain teams to ensure successful product integration and launch.\nTroubleshoot complex hardware issues and implement robust engineering solutions.\nProvide technical guidance and mentorship to other engineers as needed.\nWillingness to travel overseas (Southeast Asia)\nQualifications\nExperience taking products from design through manufacturing at scale, with a strong emphasis on delivering a high-quality customer experience.\n7+ years of relevant industry experience in consumer products, appliances, or electro-mechanical systems\nProficiency with CAD tools (OnShape experience preferred; PDM or PLM experience preferred).\nBachelor’s degree in Mechanical Engineering (or equivalent experience), with strong fundamentals in statics, dynamics, thermodynamics, heat transfer, and fluid mechanics/dynamics.\nProven experience with a range of manufacturing processes (sheet metal, CNC machining, plastics, welding, die-casting, etc.)\nDemonstrated expertise in Design for Manufacturing (DFM), Design for Assembly (DFA), and mechanism design\nExperience collaborating with industrial designers and human factors teams to deliver consumer-grade user experiences\nHands-on prototyping and lab testing skills\nStrong communicator and collaborator, comfortable working across cross-functional teams\nSelf-starter and operates with urgency\nTakes ownership and embraces accountability with the ability to manage tasks with minimal supervision\nAuthorized to work in the U.S. without sponsorship\nWe are an Equal Opportunity Employer. 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