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Factory Assembly Jobs in California (NOW HIRING)

TWO MEN AND A TRUCK®

Driver / Laborer

Los Angeles, CA

$20 - $24.50/hr

... factory, assembly or warehouse is helpful but not required! What You'll Do • Drivers safely operate moving trucks, perform daily truck inspections and complete paperwork with customers • Provide ...

AQUA CRAFT INC

Factory Assembler

Hayward, CA

$17.50 - $22.50/hr

Hand assembly. Filling and sealing packages. Lifting 50 lb packages. Palletizing finished products, shrink wrap and banding pallets. Forklift driving is a plus. Basic warehouse duties. Some ...

AQUA CRAFT INC

Factory Assembler

Hayward, CA

$17.50 - $22.50/hr

Hand assembly. Filling and sealing packages. Lifting 50 lb packages. Palletizing finished products, shrink wrap and banding pallets. Forklift driving is a plus. Basic warehouse duties. Some ...

Veev

Senior MEP Engineer

Hayward, CA · On-site

$140 - $180/hr

Produce production-ready documentation for factory assembly and field installation, ensuring clarity, repeatability, and minimal ambiguity. * Create specific building details for production based on ...

Raytheon

Principal Mechanical Engineer

San Jose, CA

Oversee production factory development, production rate ramp-up, factory assembly processes, and FAI/Prove-in milestones. * Collaborate with government customers and Suppliers. * Work independently ...

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Factory Assembly information

See California salary details

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How much do factory assembly jobs pay per hour?

As of Aug 22, 2026, the average hourly pay for factory assembly in California is $16.64, according to ZipRecruiter salary data. Most workers in this role earn between $15.19 and $17.79 per hour, depending on experience, location, and employer.

What is factory assembly?

Factory assembly refers to the process of putting together components or parts to create finished products in a manufacturing setting. Assembly workers typically follow specific instructions and use tools or machinery to assemble products efficiently and accurately. The work can range from simple manual tasks to operating complex automated equipment, depending on the industry and product. Factory assembly is essential in industries such as automotive, electronics, and consumer goods to ensure products are built to quality standards and delivered on time.

What are the key skills and qualifications needed to thrive as a factory assembly worker?

To thrive as a Factory Assembly Worker, you need mechanical aptitude, manual dexterity, attention to detail, and often a high school diploma or equivalent. Familiarity with assembly line machinery, hand tools, and sometimes basic quality control systems is typically required. Strong teamwork, reliability, and the ability to follow instructions precisely are crucial soft skills. These abilities ensure consistent product quality, workplace safety, and efficient production in a manufacturing environment.

What are some common challenges faced in a factory assembly role, and how can they be managed effectively?

In a factory assembly role, common challenges include meeting production quotas, maintaining high-quality standards, and adapting to repetitive tasks. Workers may also need to quickly learn new assembly processes as products or machinery are updated. Effective communication with team members and supervisors is crucial to ensure workflow efficiency and address any issues promptly. Regularly rotating tasks, following safety protocols, and seeking feedback can help manage these challenges and contribute to a positive work environment.

What is the difference between Factory Assembly vs Factory Line Worker?

AspectFactory AssemblyFactory Line Worker
Primary RoleAssembling products or componentsPerforming specific tasks on a production line
Skills & CertificationsBasic mechanical skills, safety trainingSame as Factory Assembly, often with additional line-specific training
Work EnvironmentManufacturing plant, assembly stationsAssembly line or production line
Industry UsageManufacturing, electronics, automotiveManufacturing, electronics, automotive

Both roles are integral to manufacturing, involving hands-on work in factories. Factory Assembly typically involves assembling entire products or major components, while Factory Line Workers focus on specific tasks along a production line. The skills and work environment are similar, making these roles closely related but distinct in scope.

What does a factory assembly worker do in a factory?

A factory assembly worker is responsible for assembling products or parts on a production line, following specific procedures and safety guidelines. They often use hand tools, machinery, and work in a team environment to ensure efficient and accurate assembly of goods. Attention to detail and the ability to follow instructions are important skills for this role.

What are popular job titles related to Factory Assembly jobs in California?

For Factory Assembly jobs in California, the most frequently searched job titles are:

What job categories do people searching Factory Assembly jobs in California look for?

The top searched job categories for Factory Assembly jobs in California are:

Factory Assembly jobs near you
Infographic showing various Factory Assembly job openings in California as of August 2026, with employment types broken down into 71% Full Time, and 29% Contract. Highlights an 100% In-person job distribution, with an average salary of $34,615 per year, or $16.6 per hour.

Senior Mechanical Engineer, Factory Automation

Relativity Space

Long Beach, CA • On-site

$109K - $145K/yr

Full-time

PTO

Re-posted 14 days ago

Relativity Space rating

9.7

Company rating: 9.7 out of 10

Based on 8 frontline employees who took The Breakroom Quiz

2nd of 72 rated aerospace companies

Job description

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known.
Joining Relativity means becoming part of something where autonomy, ownership, and impact exist at every level. Here, you're not just executing tasks; you're solving problems that haven't been solved before, helping develop a rocket, a factory, and a business from the ground up. Whether you're in propulsion, manufacturing, software, avionics, or a corporate function, you'll collaborate across teams, shape decisions, and see your work come to life in record time. Relativity is a place where creativity and technical rigor go hand in hand, and your voice will help define the stories we're writing together. Now is a unique moment in time where it's early enough to leave your mark on the product, the process, and the culture, but far enough along that Terran R is tangible and picking up momentum. The most meaningful work of your career is waiting. Join us.
About the Team:
The Tooling and Factory Automation team sits at the intersection of design, manufacturing, and automation, making everything from large-scale structural fixtures to small tools that directly enable Terran R's production. As a design group embedded within the manufacturing organization, we dig deep into the needs of our internal partners to understand root problems, propose solutions, and deliver hardware to help build faster, scale smarter, and work better. The team is also at the forefront of Relativity's growing factory automation efforts, an increasingly critical part of scaling production of Terran R at existing and future facilities. You'll have the autonomy to make decisions, field solutions, and see them in action on the factory floor. Ultimately, you're not just designing tools or automated processes; you're defining how rockets and factories get built.
About the Role:
The Mechanical Design Engineers are responsible for the design and development of tools and factory automation equipment that support manufacturing. The Mechanical Engineering team works closely with Design and Manufacturing, turning top-level requirements and concepts into functional delivered equipment. The Mechanical Design Engineering team brings a high level of innovation and ingenuity into the design process, as they are tasked with building out a highly automated production facility.
  • Develop high quality development and production tooling and automation solutions for the Terran vehicle and Aeon engine programs
  • Capable of integrating concepts and principles of mechanical design and analysis of several different projects in a fast-paced environment - projects will vary in size and scale
  • Ability to interpret and apply sound design and drafting standards (ASME Y14.5) in creating tooling drawing definitions
  • Handle a wide range of technical problems and familiar with all types of material handling, assembly fixtures, off-loaders, rotisseries, test fixtures, structural weldments, environmental chambers, and custom machines
  • Close collaboration with component designers, manufacturing engineers, and integration engineering to achieve the best possible cradle to grave metrics (safety, cost, quality, cycle time, delivery, reliability, life, and maintenance/refurbishment)
  • Manage projects including vendor selection, fabrication, inspection, equipment installation, and commissioning of tooling

About You:
  • Bachelor of Science degree in manufacturing engineering, mechanical engineering or equivalent
  • 6+ years of work or project experience with design, build, and commissioning of tooling and fixtures for manufacturing, assembly and test
  • Experience using CAD and FEA-based analysis software (NX and ANSYS Workbench preferred) for structural applications
  • Experience in full-cycle project completion
  • Experience in strategic buildout and project management of tooling supporting production

Nice to haves but not required:
  • Strong expertise in design for manufacturability and design for assembly including experience taking products from prototype design to production
  • Solid understanding of common manufacturing materials, GD&T, and tolerance/stack-up analysis
  • Solid understanding of common manufacturing processes and machines including mills, lathes, welding, sheet-metal bending, lifting/rigging, assembly, inspection, etc.
  • Experience with custom machine design: motors, actuators, linear rails/actuators, pneumatics, bearings, etc.

At Relativity Space, we are committed to transparency and fairness in our compensation practices. Actual compensation will be determined based on experience, qualifications, and other job-related factors.
Compensation is only one part of our total rewards package. Relativity Space offers competitive salary and equity, a generous PTO and sick leave policy, parental leave, an annual learning and development stipend, and more! To see some of the benefits & perks we offer, please visit here.
Hiring Range:
$122,000-$182,000 USD
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
If you need a reasonable accommodation, please contact us at accommodations@relativityspace.com.
Please note: Relativity Space does not accept unsolicited resumes, candidate profiles, or referrals from recruitment agencies or search firms. Any unsolicited submission - via email, our website, social media, or directly to an employee - will be deemed the property of Relativity Space, and no fee will be owed absent a current, fully executed agreement with Talent Acquisition that specifically authorizes submissions for the applicable role.

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