Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Mechanical Engineer

$120k - $250k

Actalent

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 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 click.appcast.io 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.

Vacancy posted 4 days ago
Similar jobs that could be interesting for youBased on the Mechanical Engineer in Alameda, CA vacancy
  • $110k - $135k

     ...relationships, including negotiating contracts and resolving issues Work closely with project stakeholders, including clients, architects, engineers, and contractors, to ensure that project goals are met Ensure that all work is performed in accordance with applicable codes,... 
    Suggested
    For contractors
    For subcontractor
    Local area

    Jobot

    Alameda, CA
    5 days ago
  • $130.7k - $261.3k

     ...115,000 colleagues serve people in more than 160 countries. The Opportunity: Recognized expert with broad expertise in mechanical design engineering, new product development and design transfer with responsibility for resolving significant technical issues as well as providing... 
    Suggested

    Abbott Laboratories company

    Alameda, CA
    3 days ago
  •  ...and robotics. Join us as we embark on the next phase of exciting growth! Job Description : Navier is seeking a highly skilled Mechanical Engineer with a strong hands-on experience to join our fast paced and innovative team. The successful candidate will own a major... 
    Suggested

    Navier

    Alameda, CA
    3 days ago
  •  ..., well‑funded team rapidly accelerating Western rare‑earth production. We’re building a world‑class team of engineers to solve this crisis. The Role — Mechanical Engineer We’re looking for a hands‑on mechanical engineer to design, prototype, and scale the next generation... 
    Suggested
    Visa sponsorship

    Solcoa Industries

    Alameda, CA
    4 days ago
  •  ...their work and who get excited about building new systems with significant responsibility. We're seeking a talented Senior Mechanical Design Engineer to drive the design, analysis, and optimization of the mechanical components and sub-assemblies that make up our... 
    Suggested

    Boxbot

    Alameda, CA
    4 days ago
  • $140k - $190k

     ...Senior Mechanical Design Engineer Boxbot revolutionizes logistics with adaptive automation, creating the facility of the future. As the industry grapples with labor shortages and rising costs, our advanced solutions effectively meet these challenges. We transform traditional... 
    Contract work

    Boxbot

    Alameda, CA
    4 days ago
  • A tech-driven automation company in Alameda, CA is seeking a Senior Mechanical Design Engineer to enhance their automated material handling solutions. This role involves mechanical design, cross-functional collaboration, and the use of advanced CAD tools. Candidates should... 

    Boxbot

    Alameda, CA
    1 day ago
  • $140k - $180k

     ...A leading aerospace company is seeking an experienced Mechanical Engineer to own vehicle components from design to production. You will analyze and test components, collaborate with teams, and help define system-level engineering efforts. The ideal candidate has over 5... 
    Full time

    Astra Space Inc

    Alameda, CA
    4 days ago
  • A leading rare-earth metals company in California seeks a Mechanical Engineer to design, prototype, and scale innovative reactors. You will be responsible for creating subsystems in CAD, building prototypes, and supporting continuous improvement. Ideal candidates are skilled... 
    Visa sponsorship

    Solcoa Industries

    Alameda, CA
    4 days ago
  • Epia Neuro in Alameda is seeking a Mechatronics Engineer I to support the development of wearable robotic systems. The role involves...  ...validation tests. The ideal candidate holds a Bachelor’s degree in Mechanical or Electrical Engineering and has 1-3 years of relevant... 

    Epia Neuro

    Alameda, CA
    2 days ago
  •  ...infrastructure. We aim to enable a future where humans can reach for the stars. Position Overview We are seeking a motivated Mechanical Engineer to join our core engineering team. In this role, you will support the design, development, and testing of hardware critical... 
    Full time
    Long distance

    Longshot Space Technologies Corporation

    Alameda, CA
    3 days ago
  • $101k - $121k

     ...perfecting the safety, reliability, and capabilities of our autonomy engine and electric propulsion systems. We design, develop and...  ...each day. Role Overview Pyka is looking for a highly‑skilled Mechanical Engineer to join our cargo aircraft team. In this role, you will... 
    Temporary work
    Remote work

    Pyka

    Alameda, CA
    1 day ago
  • $114k - $135k

     ...moving, mission‑driven team at the forefront of maritime security and autonomous innovation. The Position Saildrone is seeking a Mechanical Engineer II to join our Hardware Engineering Team. Reporting to the VP of Hardware Engineering, you will be a hands‑on contributor... 
    Contract work
    Local area
    Relocation package
    Flexible hours

    Saildrone

    Alameda, CA
    4 days ago
  • $150k - $185k

     ...the industry’s leading flight‑proven electric propulsion systems for satellites, the Astra Spacecraft Engine. The Opportunity We are looking for a Staff Mechanical Engineer to lead the mechanical design and manufacturability of next‑generation Hall‑effect thrusters for... 

    Astra

    Alameda, CA
    1 day ago
  •  ...gender, age, color, sexual orientation. We offer an excellent compensation package. Job Description We are looking for Sr. Mechanical Engineer in Alameda, CA for Fulltime position. Job Summary This is an exciting new engineering position for a highly‑motivated, energetic... 
    Full time

    Infojini Inc

    Alameda, CA
    5 days ago
  • $150k - $185k

    A leading aerospace company is seeking a Staff Mechanical Engineer to lead the mechanical design and manufacturability of next-generation Hall-effect thrusters for spacecraft propulsion. The role requires deep expertise in mechanical design, and a proven ability to drive... 

    Astra

    Alameda, CA
    1 day ago
  • $112k - $185k

     ...vertically integrated infrastructure for others to build on via Science Foundry. We are looking for a hands‑on, experienced Opto‑Mechanical Engineer to support development of our next generation therapeutic devices. This specific role will be heavily involved in the design,... 
    Full time
    Local area
    Remote work
    Flexible hours

    Science , Inc.

    Alameda, CA
    3 days ago
  • $101k - $121k

     ...perfecting the safety, reliability, and capabilities of our autonomy engine and electric propulsion systems. We design, develop and...  ...closer each day. Role Overview Pyka is looking for a Propulsion Mechanical Engineer with a passion for combustion engines to join our fast... 
    Full time
    Temporary work
    Internship
    Remote work

    Pyka

    Alameda, CA
    1 day ago
  • $118.86k - $160k

     ...Opportunity The Vehicle Structures Team is a cross-functional group of engineers and technicians working to launch Astra's Rocket 4. The team...  ...components using FEA, CFD and hand calculations to inform mechanical, thermal, and pneumatic designs. Perform tolerance analyses to... 

    Israelvcforum

    Alameda, CA
    3 days ago
  • A cutting-edge space technology firm in Alameda, CA is looking for a Mechanical Engineer to support the design, development, and testing of hardware for kinetic launch systems. This hands-on role involves working with various subsystems and collaborating with senior engineers... 

    Longshot Space Technologies Corporation

    Alameda, CA
    3 days ago
  • Mechanical Engineer - General Applications Astra’s mission is to improve life on Earth from space by creating a healthier and more connected planet. Today, Astra offers one of the lowest cost-per-launch dedicated orbital launch services, and one of the industry’s leading... 
    Internship

    Astra Space Inc

    Alameda, CA
    2 days ago
  • $114k - $135k

    Saildrone is seeking a Mechanical Engineer II in Alameda, CA. This role involves designing, prototyping, and validating electromechanical systems for autonomous vehicles. Responsibilities include leading complex part development, conducting engineering analyses, and collaborating... 

    Saildrone

    Alameda, CA
    4 days ago
  • Pyka, based in Alameda, California, is seeking a skilled Mechanical Engineer for its cargo aircraft team. The ideal candidate will lead mechanical design and integration of aircraft components, contributing to innovative projects in autonomous electric aviation. Responsibilities... 

    Pyka

    Alameda, CA
    1 day ago
  • $118.86k - $160k

    A technology company in California is seeking an experienced Mechanical Engineer to join their Vehicle Structures Team. The role involves designing and analyzing components for rocket launch, ensuring cross-disciplinary collaboration, and leading prototyping and testing... 

    Astra

    Alameda, CA
    3 days ago
  • $71 - $85 per hour

     ...turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. Job Summary...  ...and program a written sequence of operations based on mechanical drawings. Lead and schedule commissioning efforts Actively... 
    Hourly pay
    For contractors
    Flexible hours

    Emcor UK

    San Leandro, CA
    1 day ago
  • Infojini Inc is seeking a highly motivated Sr. Mechanical Engineer for a full-time position in Alameda, CA. This role involves the design and development of cutting-edge LiDAR products and requires advanced proficiency in mechanical engineering and design. The ideal candidate... 
    Full time

    Infojini Inc

    Alameda, CA
    1 day ago
  • $125k - $155k

    LeoForce is looking for a Mid Level Programmer in Hayward, California, specializing in Building Automation Systems (BAS). The role includes creating control algorithms, managing databases, and providing training. Ideal candidates have over 4 years of experience in the BAS...

    LeoForce

    Hayward, CA
    5 days ago
  • $125k - $155k

    Job Description Experience: Mid Level Salary: $125,000 - $155,000 per year Job Details As a programmer on our team, you will be responsible for creating control algorithms, managing system databases, integrating multiple systems, executing project start‑ups, and providing...

    LeoForce

    Hayward, CA
    5 days ago
  • $130k - $160k

     ...electric propulsion systems for satellites, the Astra Spacecraft Engine. The Team The Ground System Structures Team is a cross‑...  ...support rocket testing and launch operations. You’ll focus on mechanical and fluid systems - from propellant loading and environmental control... 
    Flexible hours

    Israelvcforum

    Alameda, CA
    3 days ago
  • A leading aerospace company in California seeks a Mechanical Engineer to design and analyze rocket components. The role involves hands-on contributions from concept to hardware qualification, requiring proficiency in CAD, strong communication skills, and the ability to... 

    Astra Space Inc

    Alameda, CA
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Mechanical Engineer. Be the first to apply!