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Precision Mechanical Engineer

About Atomic Semi

Atomic Semi is building a small, fast semiconductor fab.

It’s already possible to build this with today’s technology and a few simplifications. We’ll build the tools ourselves so we can quickly iterate and improve.

We’re building a small team of exceptional, hands-on engineers to make this happen. Mechanical, electrical, hardware, computer, and process. We’ll own the stack from atoms to architecture. Our team is optimistic about the future and we want to continue pushing the limits of technology.

Smaller is better. Faster is better. Building it ourselves is better.

We believe our team and lab can build anything. We’ve set up 3D printers, a wide array of microscopes, e-beam writers, general fabrication equipment - and whatever is missing, we’ll just invent along the way.

Atomic was founded by Sam Zeloof and Jim Keller. Sam is best known for making chips in his garage, and Jim has been a leader in the semiconductor industry for the past 40 years.

About the role

The positioning team is responsible for designing, prototyping and building semiconductor fab equipment and subsystems related to lithography, motion and metrology.

We are seeking a highly skilled and hands-on Mechanical Engineer to join our team. You will be responsible for designing, prototyping, and building semiconductor fabrication equipment, subsystems, and tools. This role requires a strong foundation in mechanical engineering principles along with the ability to execute quickly and effectively.

The ideal candidate moves through design cycles fast and can own the end to end process. Our philosophy is to get things built/tested in days or weeks, not months. Because of this, a portfolio is required to apply: show us the things you’ve actually built!

Responsibilities

  • Design and iterate on machines, subsystems, test fixtures, inspection tools, and sensors.

  • Create mechanical designs of structures, mechanisms, systems and components.

  • Rapidly prototype, build, and test new designs.

  • Source and select components while balancing cost, reliability, and performance.

  • Small amounts of programming and electrical integration to support system operation.

Required Experience

  • 2+ years of industry experience designing and building mechanical systems for real-world applications

  • Mechanical design and analysis

  • Hands-on prototyping, fabrication, and assembly

  • Component sourcing and selection

Nice-to-have

  • Light coding and scripting

  • Metrology and sensor experience

  • Precision engineering

  • Some system design

Working at Atomic Semi

We’re an early-stage hardware startup with solid funding, world-class advisors, and a lab/office in San Francisco, CA. 

Compensation: Atomic Semi is committed to fair and equitable compensation practices. The annual salary range for this role is up to $180,000 Compensation is determined within the range based on your qualifications and experience. Our total compensation package also includes generous equity in Atomic Semi.

Benefits: Atomic Semi offers the following benefits, subject to applicable eligibility requirements: 

  • Medical, Dental, and Vision insurance

  • Generous Paid Time Off inclusive of Holidays and Sick Time

  • Visa Sponsorship

  • Life and Disability Insurance

  • Paid Parental Leave

  • 401(k) retirement plan

  • Weekly Learning & Development opportunities

  • Commuter Benefits including Parking and Late Night Uber rides from the office

  • Lunches daily, Dinners 3x per week, Stocked Office Kitchen with Snacks and Spindrifts

We are an equal-opportunity employer and do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, veteran status, disability or other legally protected statuses.

Export Control Analysis: This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls.

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What You Should Know About Precision Mechanical Engineer, Atomic Semi

At Atomic Semi in San Francisco, we’re on the hunt for a talented Precision Mechanical Engineer who thrives on initiating change and innovation in the semiconductor industry. Our team is passionate about creating revolutionary technologies and building a small, fast semiconductor fab using the latest in engineering practices and tools. This isn’t just any mechanical engineering role; this is your chance to roll up your sleeves and be part of something exciting! You'll dive into designing, prototyping, and developing essential semiconductor fabrication equipment and subsystems related to lithography, motion, and metrology. We believe in efficiency—so the faster you can go from concept to execution, the better! In your role, you’ll work meticulously on diverse projects, from small sensors to large machinery, pushing boundaries and turning ideas into reality. Your experience should encompass hands-on mechanical design, rapid prototyping, and functional assembly. But it’s not just about technical skills; we want someone who can communicate effectively and work collaboratively with our exceptional team. Join us in our state-of-the-art lab, where we’re equipped with 3D printers, microscopes, e-beam writers, and more—allowing us to craft and test our innovations. If you’re eager to embrace challenges and deliver quick results, then Atomic Semi might be the perfect environment for you. We’re not just building technology; we’re redefining it. Let's build amazing things together!

Frequently Asked Questions (FAQs) for Precision Mechanical Engineer Role at Atomic Semi
What qualifications do I need to apply for the Precision Mechanical Engineer position at Atomic Semi?

To apply for the Precision Mechanical Engineer position at Atomic Semi, candidates should have at least 2 years of industry experience in designing and building mechanical systems for real-world applications. It's essential to possess a solid understanding of mechanical design and analysis, along with hands-on prototyping, fabrication, and assembly skills. Knowledge of component sourcing and selection is also vital, while light coding and scripting, metrology and sensor experience, and familiarity with precision engineering are nice-to-haves.

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What responsibilities will I have as a Precision Mechanical Engineer at Atomic Semi?

As a Precision Mechanical Engineer at Atomic Semi, your key responsibilities will include designing and iterating machines, subsystems, test fixtures, inspection tools, and sensors. You’ll also create detailed mechanical designs for various structures, mechanisms, and components. Rapid prototyping and testing of new designs will be a big part of your role, as well as sourcing and selecting components with an eye on cost, reliability, and performance.

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Does Atomic Semi provide support for career development for Precision Mechanical Engineers?

Absolutely! At Atomic Semi, we believe in the continuous growth and development of our team members. We offer weekly Learning & Development opportunities, enabling our Precision Mechanical Engineers to enhance their skills and knowledge in the dynamic field of semiconductor technology. We’re committed to fostering a collaborative and engaging environment where everyone can thrive.

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What is the compensation package like for Precision Mechanical Engineers at Atomic Semi?

Atomic Semi offers a competitive compensation package for Precision Mechanical Engineers, with an annual salary range of up to $180,000. Compensation is tailored to your individual qualifications and experience, and additionally, our total package includes generous equity options, ensuring that our engineers are motivated and rewarded for their contributions.

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What is the work culture like for Precision Mechanical Engineers in Atomic Semi?

The work culture at Atomic Semi is vibrant, inclusive, and firmly rooted in innovation. As a Precision Mechanical Engineer, you'll be part of a small but highly skilled team in a state-of-the-art lab environment located in San Francisco. We value open communication, teamwork, and a hands-on approach to problem solving, creating an energetic atmosphere where creativity flourishes and great ideas come to life.

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Common Interview Questions for Precision Mechanical Engineer
Can you describe your experience with designing and prototyping mechanical systems?

When answering this question, highlight specific projects you've worked on and elaborate on the processes you undertook, including design methodologies and prototyping techniques. Use quantifiable results or achievements to demonstrate your impact.

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What approaches do you take to ensure effective component sourcing and selection?

Discuss your methodology for balancing cost, reliability, and performance when sourcing components. Mention any tools or frameworks you use to evaluate options, and perhaps share past experiences where your choices led to successful outcomes in previous projects.

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How do you handle rapid prototyping and testing in your engineering projects?

Explain your process for rapid prototyping and the importance of testing in the design cycle. Share examples of how quick iterations have led to improved designs and how you gather and implement feedback during this process.

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What mechanical design software are you proficient in?

List the specific software tools you are familiar with, such as SolidWorks or AutoCAD, and briefly discuss how you've used them in your previous roles to enhance your design work.

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How do you ensure that your designs meet performance and reliability standards?

Talk about your approach to validating designs through testing and inspections before finalizing them. Additionally, include how you document your findings and incorporate feedback into your designs to enhance performance and reliability.

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Describe a challenging project you worked on and how you overcame the obstacles you faced.

Choose a specific project that had significant challenges. Detail the obstacles, your engineering thought processes, and the steps you took to overcome them. Highlight your problem-solving skills and adaptability.

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What role does collaboration play in your engineering projects?

Speak to the importance of teamwork in engineering projects and how you foster collaboration among team members. Provide examples where collaboration led to successful outcomes and how you handle conflicts or differing opinions.

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How do you prioritize tasks when working on multiple projects?

Share your strategies for managing time effectively and prioritizing tasks when faced with tight deadlines or multiple responsibilities. Offer examples of how successful time management impacted past projects positively.

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What strategies do you use for continuous learning in the field of mechanical engineering?

Discuss the methods you employ for professional development, such as following industry publications, attending workshops, or being part of online communities. This shows your commitment to staying informed and growing as a professional.

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Why are you interested in the Precision Mechanical Engineer role at Atomic Semi?

Make this answer personal by sharing what excites you about Atomic Semi's work in semiconductor technology. Discuss your alignment with their goals of innovation and efficiency, and what unique skills you bring to the table that would contribute to their mission.

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Full-time, on-site
DATE POSTED
March 27, 2025

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