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Senior Mechanical Design Engineer - Diagnostics

About Pacific Fusion 

Pacific Fusion was founded in 2023 with the mission to power the world with abundant, affordable, clean energy.

We are rapidly designing and building a pulsed magnetic fusion system to achieve net facility gain (more fusion energy output than stored energy input). In parallel, we are developing the key components required to build affordable fusion systems.

Our plans are ambitious. We have raised over $900M so far from incredible investors, resourcing us to deliver on these plans. We are bringing together the best scientists, engineers, and operators from the fusion community, hard tech industry, and other sectors. We are united by a shared sense of urgency to provide clean power for the world, particularly managing climate change while meeting growing global energy demand. You can read more about us in this letter from our founders

About the Role

Job Overview:

Pacific Fusion is seeking an exceptional Senior Mechanical Designer for our Target Area to join our dynamic team and create the path to commercial fusion energy. Based in Fremont, CA, Pacific is building multiple pulsed power-based drivers from the ground up. You will lead the design, development, and validation of mechanical components and systems integral to our advanced pulsed magnetic inertial fusion energy systems. This role requires a top-tier combination of technical expertise, problem-solving skills, and a proactive mindset to meet the exciting challenges in the field of fusion energy. As a Senior Mechanical Designer, you will lead collaborative and challenging projects and play a vital role in driving the overall development effort.

Responsibilities:

  1. Develop innovative mechanical designs for complex engineering problems while adhering to ambitious timelines.

  2. Lead the implementation of design changes and improvements across our systems.

  3. Work closely with vendors and manufacturers to ensure designs are practical, cost-effective, and manufacturable.

  4. Conduct design reviews and provide critical feedback to improve system performance and reliability.

  5. Coordinate with multidisciplinary teams (including electrical, software, and manufacturing engineers) to integrate system-level designs.

  6. Oversee the creation of detailed design documentation and specifications.

  7. Stay current with industry trends and advancements in mechanical design and manufacturing technologies.

  8. Participate in risk assessments and develop mitigation strategies.

Qualifications:

  • Bachelor’s Degree in Mechanical Engineering required. A Master’s Degree or PhD is a plus.

  • 5+ years of work experience in mechanical engineering and design.

  • Advanced knowledge of CAD software, such as Creo.

  • Experience in the application of Finite Element Analysis (FEA) and/or Computational Fluid Dynamics (CFD).

  • Proven track record of developing and launching successful mechanical designs.

  • Excellent leadership skills, with the ability to mentor and guide junior engineers.

  • Strong understanding of manufacturing processes and DFM (Design for Manufacturability).

  • Excellent problem-solving skills, with a strong attention to detail.

  • Experience in hands-on engineering design, rapid iteration, and creative problem solving in a laboratory setting.

  • Excellent written and verbal communication skills.

Benefits:

  • Industry-competitive salary

  • Equity plan

  • 6% employer 401k matching

  • Generous paid time off (including sick leave, vacation, paid family leave)

  • Medical, Dental, and Vision insurance

Actual base salary offered will be determined by: experience, skills, and work location. This range is for base salary, our total compensation includes equity and benefits. We welcome you to apply even if your expectations are outside our listed range. 

Pacific Fusion is committed to creating a diverse environment and is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

Pacific Fusion is committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures and throughout employment. If you need assistance or any accommodation, please let us know. 

Pacific Fusion does not accept unsolicited resumes from recruiters or employment agencies without a fully executed recruitment agreement in place. In the absence of such agreement, Pacific Fusion reserves the right to pursue and hire any candidates without an obligation to pay fees. Agencies are requested not to contact Pacific Fusion hiring managers or employees regarding recruiting services. 

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What You Should Know About Senior Mechanical Design Engineer - Diagnostics, Pacific Fusion

At Pacific Fusion, we’re on an ambitious mission to power the world with clean, affordable energy, and we need an exceptional Senior Mechanical Design Engineer to help make it happen! Based in Fremont, CA, you'll be part of a dynamic team that’s designing and building cutting-edge pulsed magnetic fusion systems. Your role will be vital in leading the design, development, and validation of mechanical components that are essential to our advanced fusion energy systems. We’re looking for someone who thrives in a collaborative environment and excels at tackling complex engineering problems. You'll develop innovative mechanical designs while adhering to tight timelines and overcoming challenges that come your way. Your experience will allow you to interact closely with vendors, ensuring our designs are practical and cost-effective. You will also coordinate with diverse teams, providing critical feedback to enhance performance and reliability. Your expertise in CAD software like Creo, along with your hands-on engineering experience, will be key as you oversee the creation of precise design documentation. At Pacific Fusion, we value growth and development, which is why you’ll also have the opportunity to mentor junior engineers. Join us in this exciting journey towards commercial fusion energy and help shape the future of clean power!

Frequently Asked Questions (FAQs) for Senior Mechanical Design Engineer - Diagnostics Role at Pacific Fusion
What are the primary responsibilities of the Senior Mechanical Design Engineer at Pacific Fusion?

The Senior Mechanical Design Engineer at Pacific Fusion is responsible for developing innovative mechanical designs, leading design changes, working with vendors to ensure designs are manufacturable, conducting design reviews, and coordinating with interdisciplinary teams. This role also involves overseeing the creation of detailed design documentation and performing risk assessments to ensure system reliability. Your impact on the development of fusion energy systems will be profound as you tackle complex engineering challenges.

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What qualifications does Pacific Fusion require for the Senior Mechanical Design Engineer position?

To qualify for the Senior Mechanical Design Engineer role at Pacific Fusion, candidates must hold at least a Bachelor’s Degree in Mechanical Engineering, while a Master’s Degree or PhD is a plus. Additionally, the position requires 5+ years of experience in mechanical engineering and design, advanced knowledge of CAD software (like Creo), and a proven record of successful designs. Skills in Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD) are also beneficial.

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What tools and technologies does the Senior Mechanical Design Engineer use at Pacific Fusion?

The Senior Mechanical Design Engineer at Pacific Fusion primarily utilizes advanced CAD software such as Creo for mechanical design. Familiarity with Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD) tools is also essential to evaluate performance and ensure reliability of designs. Staying updated with manufacturing processes and the latest advancements in mechanical design technology is a crucial part of the role.

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How can the Senior Mechanical Design Engineer contribute to the goals of Pacific Fusion?

The Senior Mechanical Design Engineer plays a crucial role in advancing Pacific Fusion's mission by developing efficient and innovative mechanical designs that drive the development of fusion energy systems. By leading design initiatives, conducting thorough reviews, and mentoring junior engineers, you'll significantly contribute to the efficiency, reliability, and success of our projects, ultimately helping us deliver clean energy solutions.

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What is the workplace culture like for the Senior Mechanical Design Engineer at Pacific Fusion?

At Pacific Fusion, the workplace culture thrives on collaboration, creativity, and innovation. As a Senior Mechanical Design Engineer, you'll work alongside leading scientists and engineers who share a passion for clean energy. The environment encourages open communication, teamwork, and continuous learning, fostering a sense of urgency and pride in making a positive impact on global energy challenges.

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Common Interview Questions for Senior Mechanical Design Engineer - Diagnostics
Can you describe your experience with mechanical design and how it relates to fusion energy systems?

When answering this question, emphasize your relevant experience in mechanical design, specifically pertaining to complex systems. Talk about specific projects where you've applied your skills, especially any involvement in energy systems or technologies. Highlight your problem-solving abilities and how they're applicable to developing innovative solutions in the field of fusion energy, showcasing your alignment with Pacific Fusion's mission.

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What CAD software are you proficient in, and how have you utilized it in past projects?

In your response, mention your proficiency in CAD software, particularly Creo as it's a requirement for the position. Share specific instances of how you've used CAD to create detailed designs, improve prototypes, or solve engineering challenges. This shows your hands-on experience and how it can directly benefit the team at Pacific Fusion.

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How do you approach collaboration with multidisciplinary teams?

Explain your approach to collaborative work by giving examples of past projects where you successfully partnered with professionals from different engineering disciplines. Highlight your communication skills and ability to integrate various components and systems, which is crucial for the multidisciplinary environment at Pacific Fusion.

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Can you explain your experience with Finite Element Analysis (FEA) and how it has influenced your designs?

Describe your experience with FEA by discussing specific projects where you applied FEA to evaluate design integrity or performance under various conditions. Detail how this practice has informed your design decisions and improved the reliability of your projects. This will demonstrate your technical expertise relevant to the Senior Mechanical Design Engineer role.

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What strategies do you use for risk assessment and mitigation in your design process?

Highlight your proactive approach to risk assessment by detailing specific strategies you've employed in previous roles. Discuss how you identify potential design vulnerabilities, analyze their impact, and develop effective mitigation strategies to address them. Providing a solid example will illustrate your comprehensive understanding of risk management in engineering projects.

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Describe a complex engineering problem you encountered and how you resolved it.

Share a specific example of a challenging engineering problem. Define the issue, the steps you took to analyze it, the decision-making process, and the final solution. Focus on demonstrating your analytical and problem-solving skills as they pertain to mechanical design—in doing so, align your experience with Pacific Fusion's innovative projects.

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How do you stay updated with the latest trends in mechanical design and manufacturing technologies?

Discuss the methods you use to stay current with industry trends, such as attending conferences, reading technical journals, participating in relevant online forums, or networking with other professionals. This not only shows your commitment to professional growth but also indicates how you can bring innovative ideas to the role at Pacific Fusion.

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Can you describe your leadership style when mentoring junior engineers?

Detail your mentoring style by discussing how you encourage collaboration and knowledge sharing among team members. Give examples of how you’ve supported junior engineers in their growth through guidance, constructive feedback, and providing opportunities for hands-on learning, emphasizing your fit as a leader at Pacific Fusion.

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What steps do you take to ensure that your designs are manufacturable and cost-effective?

Explain your process for ensuring manufacturability by discussing your collaboration with vendors and the implementation of Design for Manufacturability (DFM) principles. Illustrate how you integrate manufacturing constraints into your designs from the outset to achieve a balance between cost and efficiency, which is essential for Pacific Fusion’s goals.

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Why do you want to work for Pacific Fusion and what excites you about fusion energy?

Articulate your passion for clean energy and why Pacific Fusion's mission resonates with you. Discuss the innovative aspects of fusion energy and how your skills and aspirations align with the company’s goals. Sharing your enthusiasm for contributing to such a meaningful cause will demonstrate your commitment and fit for the organization.

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Affordable fusion power inspired by nature. We’re taking an approach based on established science and designing for scale from the beginning. We will be sharing more soon.

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March 25, 2025

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