Internship Test Kitchen Jobs in California (NOW HIRING)

Simple Mills is on a mission to transform the way food is made—creating nourishing products with astounding ingredients and amazing taste. Founded in 2012 by Katlin Smith, our brand has redefined center-aisle grocery by delivering better-for-you products made with unique, nutrient-dense ingredients. Today, we’re a category leader and the #1 natural brand in multiple segments, with distribution in over 30,000 stores nationwide.

Now, as part of Flowers Foods, we’re entering an exciting new phase of growth—expanding our reach, accelerating innovation, and amplifying brand awareness, all while preserving the integrity of what makes Simple Mills special. Our commitment to using simple, high-quality ingredients ensures that every bite is both delicious and nutritious. Whether it’s watermelon seed flour in our cookies or butternut squash in our crackers, we craft our products with innovative, wholesome ingredients that deliver extraordinary taste.

Our work has been recognized by Fast Company as a Brand That Matters and a Most Innovative Company, and has been featured in Vogue, Forbes, Women’s Health, and NPR’s How I Built This. In 2024, Inc. named us one of its Best Workplaces, reflecting our dedication to fostering an inspiring and inclusive environment where passionate individuals can make a difference.

Join us as we shape the future of food. Learn more at www.simplemills.com.

Role Description

We are seeking a highly motivated Lab Technician to join our Innovation R&D team in Mill Valley. In this hands-on role, you will support the development, testing, and continuous improvement of our food products and ingredients. You’ll play a critical part in bench formulation, lab organization, and ingredient management while working closely with food scientists and cross-functional partners to help bring high-quality products to market.

The position will report to the Senior R&D Manager on the Innovation team and responsibilities will include:

Technical Testing & Lab Support

• Assist in the planning and execution of benchtop and pilot plant tests for new product development.
• Prepare, test, and evaluate food and ingredient samples using established methods and equipment.
• Maintain accurate lab records, data sheets, and documentation for ongoing projects.
• Coordinate and execute experiments with attention to detail and adherence to food safety standards.
• Support basic troubleshooting of equipment and escalate issues as needed.

Lab & Inventory Management

• Own and maintain ingredient inventory, sample tracking, and lab cleanliness.

• Order lab supplies and manage organization of raw materials and tools.

• Lead daily upkeep of lab workflows, including equipment maintenance and process documentation.

Continuous Improvement

• Contribute to improvements in lab operations and workflow efficiencies.
• Participate in team meetings to share results, learnings, and recommendations.
• Use software systems (e.g., Microsoft Excel, TraceGains) for data tracking and inventory control.
• Performs other projects as assigned

Requirements

• 0-1 Year experience in a laboratory, test kitchen, or similar setting preferred; must have completed at least one internship. A working knowledge of food safety protocols and proper handling procedures is required.
• Bachelor’s degree in food science or a related technical field (preferred)
• Strong organizational and multitasking skills.
• Collaborative mindset and strong interpersonal communication skills.
• Familiarity with Microsoft Office, especially Excel and Outlook.
• Ability to work independently and prioritize competing tasks and timelines.
• Self-starter with strong attention to detail and follow-through.
• Prior experience in the CPG (consumer packaged goods) food industry or culinary/kitchen environments is preferred.
• Familiarity with R&D data tools (e.g., TraceGains, Electronic Lab Notebooks).
• A personal connection to the Simple Mills mission and a fervent desire to improve the food system to help people and the planet thrive.

Benefits

At Simple Mills, we’re not just building a brand—we’re leading a movement that’s transforming how food is made and enjoyed. If you’re passionate about purpose-driven work and crave a role where you can have a meaningful impact, this is your chance to be part of something bigger.

Why Join Us?

• Be a Change-Maker
  Play a key role in redefining the food industry, crafting products that nourish people and contribute to a healthier planet.
• Thrive in a Mission-Driven Community
  Work alongside a dynamic team of innovators and food lovers who are committed to positive change and bold ideas.
• A Workplace Where You Belong
  We foster an environment where every voice is heard, valued, and empowered. Inclusion and belonging are at the heart of our culture, ensuring that everyone can thrive.
• A Culture of Integrity and Impact
  We don’t just talk about doing good—we live it. Our team is committed to ethical practices, responsible sourcing, and making decisions that drive real, positive change.
• Grow with People-First Leadership
  Our supportive leadership team is dedicated to mentorship, collaboration, and your long-term success.
• Continuous Learning & Development
  Whether through hands-on training, innovative learning platforms, or career growth opportunities, we invest in your professional development.

At Simple Mills, you’ll have the chance to make an impact while working in a collaborative and inspiring environment. If you’re ready to shape the future of food, let’s talk.

Benefits

We recognize that our people are our greatest asset. That’s why we offer a highly competitive total rewards package designed to support your financial well-being, health, and overall quality of life.

Competitive Compensation: This role offers a salary range of $55,000.00 to $65,000.00

• Annual Bonus Opportunity: Eligible for an annual bonus as part of our commitment to recognizing team contributions and company success.

• Holistic Benefits: A variety of health, financial, and wellness programs to help you feel your best and plan for the future.

• Time to Recharge: We believe your best work comes when you have space to rest, refocus, and show up fully—our time off approach is built with that in mind.

• Everyday Well-Being: From lifestyle perks to innovation shipments, we find meaningful ways to support you in living simply and feeling well.

We’re committed to taking care of our people—so you can focus on making an impact.

Work Model at Simple Mills

Our work model is role-dependent and team focused. With remote, hybrid, or in-office positions, each role is classified by what best supports the needs of the team.

This position will be in-office at our Mill Valley, CA location. Simple Mills follows CDC recommendations to help ensure a safe working environment for all individuals in-office. Remote working may be considered as necessary from a designated location in the United States (the new hire’s permanent residence, as documented in our HR System, Rippling). Sufficient internet access to support video conferencing is required

At Simple Mills, we are committed to providing an environment of mutual respect and inclusion. Equal employment opportunities are available to all applicants and teammates without regard to race, color, religion, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, past or present military service, physical or mental disability, or other applicable legally protected characteristics. All aspects of employment are decided on the basis of business need, job requirements, and individual qualifications. #LI-DNI

Simple Mills is committed to the full inclusion of all qualified individuals. As part of this commitment, Simple Mills will ensure that persons with disabilities are provided reasonable accommodations. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact careers@simplemills.com.