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Manufacturing Engineer


Chai combines hardware, software, and wetware to bring easy-to-use DNA diagnostics to everyone. Chai's low-cost devices and test kits are deployed directly into the field, eliminating costly & slow centralized testing. Our networked devices enable distributed applications, and have enormous implications for scientific research, global health, agtech, food/water safety, and the environment.

We're looking to hire a very hands-on and well organized Manufacturing Engineer to support current and future instrument/test kit production and vendor management projects. This role requires strong mechanical/manufacturing engineering background to create tooling, develop processes, and establish testing procedures. The ideal candidate will possess a broad range of skill sets from ensuring design manufacturability to setting up pilot lines and overseeing day-to-day line operations with quality and efficiency in mind.


  • Plan, implement, and manage long term bio-instrument production activities, process improvements, and validations
  • Oversee day-to-day line operations of on-site hardware production
  • Facilitate ongoing reagent/test kit manufacturing as well as scaling up production with automation
  • Evaluate, select, and manage US and Asian-based vendors and contract manufacturers; maintain good vendor relationships
  • Design, modify, scale, and maintain manufacturing processes
  • Generate and review engineering and manufacturing documentation including drawings, schematics, BOMs, SOPs, FAIs, and TMs
  • Implement repair procedure to debug, compile, and analyze technical issues
  • Manage supply chain, inventory levels, and purchasing via ERP
  • Provide hands-on support of inspection, assembly, and troubleshooting during production
  • Proactively implement quality and productivity improvements (reduce COGS, increase efficiency, equipment acquisition)
  • Drive performance of NCMRs, root cause analysis, and ECOs
  • Work closely with an interdisciplinary team of engineers and scientists


  • BS degree in Mechanical Engineering, Manufacturing Engineering, or related field from a reputable institution
  • 3+ years of relevant engineering and 1+ years technical operations experiences
  • Demonstrate great working knowledge of DFM with the ability to apply a diverse set of engineering principles to a broad range of assignments
  • Familiarity with SolidWorks, GD&T, and bio-instrument regulatory standards (cGMP, ISO 13485, ISO 9001, etc.)
  • Knowledge of sheet metal fabrication, CNC machining, plastic molding, and die casting
  • Comfortable using electro-mechanical test and assembly equipment
  • Excellent verbal and written communications skills
  • NPI experience with familiarity of Lean Manufacturing Processes a plus
  • Previous experience with start-ups, line management, high volume production, or operations management a plus
  • Familiarity with compliance standards (UL, FCC, CE, etc.) a plus 


  • Competitive salary & equity
  • Health/dental/vision insurance for employees, subsidized for family
  • 401(k) plan
  • Flexible vacation policy
  • Fully stocked kitchen + catered lunch on Fridays
  • MacBook Pro, large display, and whatever else you need