Quality Assurance Supervisor

About One Acre Fund

Founded in 2006, One Acre Fund equips 5.5 million smallholder farmers to make their farms more productive. Across nine countries that together are home to two-thirds of Africa's farmers, we provide high-quality farm supplies, tree seedlings, accessible credit, modern agronomic training, and a wide range of other agricultural services. On average, this model enables any farmer to increase their income and assets on supported land by more than 35 percent, while permanently improving their resilience. This is all made possible by our team of 9,000+ full-time staff, drawn from diverse backgrounds and professions. To learn more, please see our Why Work Here blog post.

Our Kenya program, founded in 2006, operates under the local brand Tupande. Close to 500 staff in our Kakamega headquarters support 1,747 field staff and serve more than 1 million farmers. In Nairobi, around 50 staff support global functions like procurement, recruitment, government relations, and communications.

About the Role

We are seeking a Senior Quality Assurance Supervisor with a minimum of 2 years experience who will support the daily compliance and quality assurance processes of the macadamia factory from receipt through processing to dispatch of products ensuring compliance to customer, internal, legal and statutory requirements

Responsibilities

Materials Management (Raw & Processing Aids)

• Raw Material Intake: Oversee the Raw Material  receiving checks. Verify the quality of incoming raw nuts (Good quality, SKR, Moisture content)
• Packaging Inventory: Manage the quality of packaging materials and other processing aids before acceptance to the processing factory

Product Integrity & Quality Assurance

• Finished Product Compliance: Oversee the grading and classification of macadamia kernels  to ensure they meet international  standards and customer specifications regarding size, color, and quality  defect limits.
• In Process Quality Control: Manage the hourly sampling regime at key stages (Cracking, Sorting, Drying). Ensure operators are correctly identifying critical defects such as immature nuts, insect damage, and mold.
• Sensory Analysis: Enforce organoleptic testing protocols to detect early signs of rancidity (oxidative stability) or off-flavors caused by improper drying or storage.
• Hold & Release: Authority to place On Hold any batch of nuts that fails moisture specs or shows signs of contamination, preventing it from reaching the packing line.
• Verify monitoring records for defined Critical Control Points (e.g., drying temperatures for Salmonella control, metal detection for physical hazards).
• Conduct independent verification checks on CCP records to ensure accuracy and prevent record falsification