Senior / Staff Mechanical Engineer - R&D

Fulfil; Mountain View (CA); On-site; USD 135,000 - 175,000; Full time

Benefits offered by this job

Equity options

Medical, dental, and vision coverage

Generous paid time off

Job summary

Fulfil is seeking a Senior/Staff Mechanical Engineer to enhance our unique automation robotics technology for grocery packing. This role involves designing mechanical systems for robustness and efficiency, contributing to a sustainable future. Collaborate with a diverse team and enjoy opportunities for growth alongside a culture that values feedback.

This position offers a salary range of $135,000–$175,000 based on experience, with benefits including medical coverage, flexible working conditions, and equity opportunities.

Qualifications

• 4-8 years of experience designing and building complex mechanical systems.
• Experience with DFM, DFMEA, 8D, Six Sigma.
• Ability to execute solutions for complex issues.

Responsibilities

• Develop and implement new equipment for the technical ecosystem.
• Own proprietary automation system design for efficient deployment.
• Lead cost reduction and reliability improvement efforts.

Skills

Mechanical systems design

Problem-solving

Hands-on aptitude

Travel flexibility

Education

Bachelor’s or master’s degree in mechanical engineering

Tools

SolidWorks

Relevant engineering tools

Job description

Fulfil is a well‑funded, rapidly growing, and inclusive company that has developed a custom automation robotics system to pick and pack online orders of groceries and other consumables, bringing delight and a value proposition to consumers that doesn't exist today. Its unique design and technology is purpose‑built to solve today’s environmental problems in the world’s food supply chain. Founded by a team with previous startup success and backed by top‑tier VCs, we are committed to reducing waste, improving environmental impact, and reducing emissions with truly new technology. Our first commercial product launch went live in 2024, we deployed more in 2025 and are in line for even more in 2026.

We can’t do it alone – we’re seeking curious, capable, passionate team members motivated by the opportunity to create lasting impact on the world through their work. This role offers ample growth opportunities while working side‑by‑side with an impassioned, multi‑disciplinary team spanning mechanical design, software, computer vision, systems integration, and ops to design and operationalize world‑changing technology.

Fulfil is committed to creating an inclusive culture, and we celebrate diversity of all kinds. If this sounds like the kind of environment that you find intriguing, then please apply even if you don’t feel you meet all the requirements listed below. We’d love to hear from you.

Responsibilities

As a Senior/Staff Mechanical Engineer, you will productize Fulfil’s proprietary technology while conceptualizing and developing new features and equipment to take it to the next level. This role offers the opportunity to work closely on a complex multi‑robot system with a cross‑functional engineering team ranging from R&D Hardware Design, Systems, Process and Operations. You will have ownership of our automation equipment with a focus on upgrading the current design for robust performance, cost down, mass deployment and manufacturing, and certification while ensuring that design intentions are achieved and maintained through generational changes.

• Develop and implement new equipment or functionality to improve the Fulfil technical ecosystem
• Own proprietary automation system design with a focus on functional and efficient deployment, large‑scale manufacturing and lifetime productivity and reliability
• Identify and implement mechanical design improvements and product changes to solve issues; verify their effectiveness with a data‑driven approach
• Lead cost reduction and reliability improvement efforts for mature products
• Align work to the company business roadmap; evaluate the value of work by trading reliability, opex, capex, throughput, and opportunities to increase performance
• Lead 3D CAD and BOM generation; perform detailed design work on large complex systems
• Create detailed component and assembly drawings using GD&T
• Work with the Manufacturing teams to create processes, tests, and procedures to improve machine reliability and manufacturing and assembly efficiency
• Work with NPI and Operations teams to drive hardware deployment in new facilities

Qualifications

• 4‑8 years of experience designing and building complex mechanical systems
• Bachelor’s or master’s degree in mechanical engineering or equivalent
• Experience with DFM, DFMEA, 8D, Six Sigma, and relevant engineering tools
• Experience with CAD, ideally SolidWorks
• Ability to travel when we deploy new sites – could be up to 30% of the time for a few months of the year
• Hands‑on aptitude – able to dive in and troubleshoot issues
• Ability to generate ideas in response to complex issues and execute on solutions
• Desire to work in a startup environment
• Cares about the world and wants to have an impact on it

What We’d Love to See

• Expertise in SolidWorks PDM and Arena Solutions PLM
• Proven record of bringing concepts to production in low turnaround
• Experience in motor system sizing
• Experience overseeing engineering products made in large quantities
• Experience designing robust automation equipment
• Experience in food tech and/or automation
• Not afraid of robots

Benefits

• A chance to be a member of a startup with equity
• Ability to solve complex problems with a world‑class team
• Flexibility to occasionally work from home when collaboration isn’t needed
• A low‑ego company culture that is obsessed with feedback and helping each other grow
• Medical, dental, and vision coverage; 401(k); life and disability coverage
• Generous paid time off
• The salary range for this position is $135,000–$175,000 depending on experience

At Fulfil we value diversity and always treat all employees and job applicants based on merit, qualifications, capabilities, and talent. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.