Supplier Quality Engineer

Mill is a waste prevention technology company reimagining what it means to eliminate waste, starting with food. We build smart systems and infrastructure for homes, businesses, and municipalities that transform food scraps from landfill-bound waste into valuable resources, including chicken feed. Tens of thousands of Mill’s residential food recyclers are already helping households divert millions of pounds of food scraps every year, paving the way for our upcoming launch of Mill Commercial—the industry’s first end-to-end solution for managing, understanding, and preventing food waste in commercial environments (e.g. grocery, restaurants, food services). At Mill, we are passionate about building easy-to-use, beautifully designed technologies that keep food in the food system and out of landfills. This role is based in Guadalajara, Jalisco, MX. About the Role: As Mill’s Supplier Quality Engineer you will be responsible for ensuring that Mill’s hardware products are manufactured to the highest quality standards as our customers will expect. You will partner closely with the operations and engineering teams to establish meaningful quality metrics and drive Mill’s manufacturing and supply chain partners to achieve targets that meet established requirements for both our customers and our business. This role sits at the intersection of supplier quality, process engineering, and new product introduction — driving APQP/PPAP-style qualification activities, and continuous improvement initiatives across a global supplier network. The Quality Engineer works cross-functionally with Engineering, Operations, Supply Chain, and Quality to ensure suppliers consistently meet quality, capacity, cost, and delivery requirements.This is a hands-on role and includes managing third party partners to ensure end to end product quality coverage. Responsibilities: Coordinate all Quality Engineering functions for the program, leading efforts at supplier locations during the NPI product development. Lead Advanced Product Quality Planning (APQP) activities for new parts and engineering changes: PFMEA reviews, control plan development, and first-article inspection (FAI/FAIR), capability studies (Cpk/Ppk). Manage the full Production Part Approval Process (PPAP). Coordinate dimensional, functional, and material validation testing at supplier sites and internal labs. Conduct in-depth process audits (manufacturing process, quality system, and layered audits) at supplier facilities. Lead the design and development of gauges and inspection fixtures and eventual deployment at various manufacturing partners. Work closely with the Mill Product Design and Operations team to build Quality into the product. Participate and Lead DFM reviews, DFMEA/PFMEA risk analysis and help enforce actions for overall Quality improvement. Data analysis to evaluate supplier process capabilities to feedback on appropriate improvement solutions. Apply deep understanding of Mill Hardware Quality and Manufacturing processes to lead the development of Quality Control Plan (QCP) on a component level at various manufacturing partners. Responsible to qualify the product and supplier for mass production. Work with our manufacturing partners to review and approve outgoing material quality. Establish key metrics to evaluate supplier performance. Travel estimated over 60% during peak NPI periods and Mass Production Launch Qualifications: 5+ years experience in Product Quality, Supplier Quality, NPI quality, or Manufacturing Quality Engineering roles. Mandatory to have experience with electrical, electromechanical commodities - cable/wire harness assemblies, PCBAs, fans, motors, solenoids. Familiarity with IPC standards as they apply to supplier quality. Demonstrated knowledge of quality, reliability, supplier management, statistical analysis (SPC, Cpk/Ppk) and auditing techniques. Ability to use Minitab or equivalent analysis softwares. Hands-on experience across all NPI build phases: proto, EVT, DVT