Mechanical Engineer

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. Job Type & Location This is a Permanent position based out of Alameda, CA. Pay and Benefits 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 Workplace Type This is a fully onsite position in Alameda,CA. Application Deadline This position is anticipated to close on Apr 9, 2026. Diversity, Equity & Inclusion At Actalent, diversity and inclusion are a bridge towards the equity and success of our people. DE&I is embedded into our culture through: Hiring diverse talent Maintaining an inclusive environment through persistent self-reflection Building a culture of care, engagement, and recognition with clear outcomes Ensuring growth opportunities for our people Actalent is an equal opportunity employer. About Actalent Actalent is a global leader in engineering and sciences services. For more than 40 years, we've helped visionary companies advance their goals. Headquartered in the United States, our teams span 150 offices across North America, EMEA, and APAC—with four delivery centers in India led by 1,000+ extraordinary employees who connect their passion with purpose every day. Our Bangalore, Hyderabad, Pune, and Chennai delivery centers are hubs of engineering expertise, with core capabilities in mechanical and electrical engineering, systems and software, and manufacturing engineering. Our teams deliver work across multiple industries including transportation, consumer and industrial products, and life sciences. We serve more than 4,500 clients, including many Fortune 500 brands. Learn more about how we can work together at actalentservices.com.