Mechanical Engineer

Job Description

Job Description

Job Title: Mechanical Engineer

Job Description

We are seeking a hands-on Mechanical Engineer to design, prototype, and scale the next generation of our rare-earth reactors. The successful candidate will own designs from concept through commissioning, working closely with machinists and researchers to transform ideas into operating systems.

Responsibilities

• Architect, model, and draw reactor subsystems, including thermal, vacuum, and materials handling, using CAD software (Fusion).
• Specify components, tolerances, and materials suitable for high-temperature, corrosive, and vacuum environments.
• Build and iterate on prototypes; conduct experiments and analyze data to inform design decisions.
• Author procedures, test plans, and safety/operating documentation.
• Collaborate with fabrication partners and support continuous improvement initiatives.

Essential Skills

• Proficiency in CAD (Fusion) software.
• Hands-on experience with metal machining and shop tools.
• Experience with high-temperature systems and/or vacuum hardware.
• Detail-oriented with the ability to execute technical tasks precisely.
• Ability to work independently in a fast-paced, build-measure-learn environment.

Additional Skills & Qualifications

• Experience in chemistry is advantageous.
• Availability to start soon is preferred.

Work Environment

You will work in a dynamic and fast-paced environment, utilizing advanced technologies and equipment. The role requires hands-on interaction with metal machining and vacuum systems, and you will be expected to adapt to a build-measure-learn workflow efficiently.

This is a Permanent position based out of Alameda, CA.

The pay range for this position is $120000.00 - $250000.00/yr.

Compensation & Benefits Competitive base salary' Generous stock options Comprehensive health, dental, and vision insurance Company-provided lunch daily. Visa sponsorship available if needed

This is a fully onsite position in Alameda,CA.

This position is anticipated to close on Jul 10, 2026.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email View email address on ziprecruiter.com for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.