Senior Mechanical Engineer

requirements. Prototype to Production Scaling: Transform early-stage prototype hardware components into refined, scalable designs optimized for high-volume manufacturing assembly. Cross-Functional Collaboration: Partner directly with industrial designers, in-house manufacturing technicians, external vendors, and manufacturing engineering to execute rapid prototype part runs. Engineering Documentation: Create and maintain highly disciplined engineering documentation, including complex CAD models, production-ready drawings, Bills of Materials (BOMs), and clear installation manuals. Rapid Prototyping Execution: Fabricate and iterate physical mockups using a diverse suite of rapid prototyping methods, ensuring designs are optimized for CNC machining, sheet metal fabrication, and 3D printing. Testing & System Validation: Establish and run rigorous physical testing and validation protocols for electromechanical systems to guarantee environmental durability, shock absorption, and long-term reliability. What we’re looking for Bachelor's degree in Mechanical Engineering, Mechatronics, or a closely related field. 5+ years of non-internship professional Mechanical Design Engineering experience. Proficient hands-on design experience utilizing 3D CAD modeling software such as SolidWorks, Catia or NX. Proven background building, assembling, and troubleshooting complex mechanical, electrical, or structural assemblies. Strong knowledge of manufacturing processes, with direct experience designing for CNC machining, sheet metal stamping, and injection molding. Prior experience or deep familiarity with the structural integration of hardware onto automotive platforms, mobile robotics, or heavy mechatronic equipment. Demonstrated ability to create accurate, production-level engineering drawings and meticulous component documentation using GD&T where applicable Exceptional aptitude for navigating ambiguity and collaborating dynamically within a fast-paced, hardware-in-the-loop startup environment.

Why join us At Atoms, you’ll work on one of the defining challenges of our time - bringing automation into the physical world to drive real, lasting impact. We exist to uncover valuable unknown truths and turn them into progress, which means constantly pushing beyond what’s known and building what doesn’t yet exist. The work is ambitious and often challenging, but it’s grounded in a shared sense of purpose and a team committed to seeing it through together. Our work only matters if it serves others, and we know that meaningful progress depends on the trust of the people we serve and the strength of our team—so we invest in both, creating an environment where you can do your best work and grow. What else you need to know This role is based in our San Francisco office. Atoms is a company driven by invention and continuous change - we are constantly reimagining our industries, building new products, and refining how we operate. We do our best work together. That’s why all of our office-based teams work onsite, five days a week. The base salary range for this role is $182,000 - $230,000 per year. Actual

compensation will be determined on an individual basis and may vary depending on experience, skills, and

qualifications. Base salary is just one part of your total rewards package. You may also be eligible for equity awards and an annual performance-based

bonus.

Benefits Summary (USA Full-Time Exempt Employees): Medical, Dental, Vision, Disability, and Life Insurance Flexible Spending Account / Health Savings Account Options 401(k) Equity Sick Time, Unlimited Flexible Time Off, and Paid Holidays Paid Parental Leave Pre-Tax Commuter Benefit Plan Team lunch in our SoMa office every Tuesday and Thursday

Benefits are subject to change at the company's discretion. Atoms accepts applications on an ongoing basis.

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