{"id":3426741,"url":"https://alion.io/job/43north-cellsense-senior-mechanical-engineer","title":"Cellsense - Senior Mechanical Engineer","company":{"id":705953,"name":"43North","domain":"43north.org","url":"https://alion.io/company/43north","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Gem","truth_index":{"grade":"B","score":79,"open_postings":6,"ghost_share":0,"stale_share":0.833,"repost_share":0,"time_to_fill_p50_days":46,"computed_at":"2026-11-12T10:38:37Z"}},"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":"structured","locations":["New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":90000,"max":140000,"currency":"USD","period":"year","gross":null,"usd_annual":140000},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-01-14T18:52:05Z","employer_posted_date":"2026-10-28","last_verified_at":"2026-11-13T09:04:14Z","board_verified":true,"closed_at":null,"days_open":302,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":302},"description":"About Cellsense:\nCellsense manufactures sustainable products for the fashion, jewelry, and beauty industries utilizing our proprietary material made from Algae and Cellulose. Cellsense aims to replace plastics and resins, and in doing so eliminate major sources of microplastics and heavy metal pollution. With our material we can achieve a wide range of colors, clarities, forms, and even unique properties such as bio-fluorescence. Our novel manufacturing systems enable us to produce complex beaded textiles at scale, replacing overseas manual labor with highly automated domestic production. Currently, we are focused on scaling up our process while engaging in paid pilots with industry partners. You will join us at an exciting stage of our growth.\nThe Role:\nWe're looking for a hands-on engineer to own production at Cellsense as we scale. You'll be responsible for taking our manufacturing systems from prototype to pilot plant, developing and implementing the necessary tools and processes to meet growing demand from our brand partners. As a key member of our small team, you'll collaborate closely with our founder and have a meaningful impact on the development and deployment of Cellsense's next-generation production capabilities.\nResponsibilities:\nDesign and iterate on hardware necessary for Cellsense to scale production\nBuild and optimize automated material deposition systems\nCustomize molds for diverse customer use cases. Source components and work with suppliers to manage parts and lead times\nWork across disciplines to help develop exciting new products\nOwn and develop engineering at Cellsense\nWhat We're Looking For:\nBachelor's degree in Mechanical Engineering, Manufacturing Engineering, or a related field\n3+ years of engineering experience, including taking projects from concept to completion\nHands-on experience designing, building, and troubleshooting physical systems\nProficiency in 3D CAD software of choice\nFamiliarity with prototyping methods such as machining, 3D printing, and laser cutting\nExperience with manufacturing processes or automation is a strong plus\nStrong organizational skills and attention to detail\nSelf-motivated problem-solver who thrives in a startup environment\nWhat We Offer:\nCompensation range: $90,000 - $140,000 per year + equity\nHealth insurance\nDirect ownership of production systems and processes\nOpportunity to work on meaningful environmental impact as part of a tightly knit team\nOn-site \nLocation:\nThis role can be based in either Brooklyn and Buffalo New York\nOn-site\nApplication Instructions:\nIf you’re a builder who loves turning prototypes into production-ready systems, we’d love to hear from you.\nIn addition to applying here, please send your resume, a portfolio of projects or systems you’ve built, and a note about why you’re excited about scaling bio-materials to .\nWe are unable to provide visa sponsorship for this position.\nCompensation\nThe base pay range for this role is $90,000 - 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