Assembly Internship Jobs in California (NOW HIRING)

This role focuses on inspecting and reworking defective automotive materials, with a strong emphasis on electrical assembly and disassembly of automotive and aerospace wire harnesses. You will use measuring tools such as multimeters to test for continuity across pins, perform detailed rework of mechanical assemblies, and ensure that electrical components meet quality and performance standards.

• Work with defective automotive materials that require inspection and rework to meet quality standards.
• Perform electrical assembly and disassembly of automotive and aerospace wire harnesses.
• Read and interpret blueprints to understand wiring layouts, connector configurations, and assembly requirements.
• De-pin and re-pin electrical connectors accurately and efficiently.
• Solder and splice wires to repair or modify electrical harnesses and connections.
• Use multimeters to test for continuity across pins and verify electrical integrity.
• Operate a variety of measuring tools and hand tools to perform precise electrical and mechanical work.
• Rework mechanical assemblies associated with wire harnesses and related components.
• Follow established procedures and quality standards to ensure error-free production support.
• Collaborate with team members to resolve issues and support continuous improvement in the repair and rework process.

• Minimum 6 months of hands-on experience as an electrical technician, which may include co-op or internship experience.
• Proficiency in electrical assembly and disassembly of automotive and/or aerospace wire harnesses.
• Ability to read and interpret blueprints and technical drawings.
• Hands-on experience with wiring tasks including soldering and crimping.
• Experience de-pinning and re-pinning electrical connectors.
• Ability to use multimeters to test continuity and perform basic electrical diagnostics.
• Competence in using measuring tools and standard hand tools for electrical and mechanical work.
• Strong attention to detail and ability to perform precise, quality-focused rework.
• Ability to follow written and verbal instructions and adhere to established procedures.

• Previous experience working with automotive, aerospace, or heavy transportation components.
• Familiarity with rework of mechanical assemblies related to electrical systems.
• Comfort working in a production-support or manufacturing-support environment.
• Interest in quality-focused roles such as inspection, consulting, or team leadership.
• Willingness to learn and grow into more advanced roles within a larger organizational structure.

You will join a global organization that partners with major manufacturing companies in the automotive, aerospace, and heavy transportation industries, providing comprehensive quality solutions and support. The role offers a 12‑month contract with significant opportunities for career growth into positions such as quality inspector, quality consultant, site lead, team lead, and other advanced roles. You will benefit from exposure to large-scale manufacturing environments, structured development opportunities, and the chance to build a long-term career within a worldwide group that has offices across Ontario and North America.

You will work in a professional environment that supports large manufacturing operations in the automotive, aerospace, and heavy transportation sectors. The role operates on a 9:00 AM to 6:00 PM schedule from Monday to Friday. You will regularly use multimeters, measuring tools, and hand tools to perform electrical and mechanical rework on wire harnesses and related components. The work supports corrective and preventive quality actions to help maintain smooth, error-free production processes. You will be part of a broader team that collaborates with major manufacturing facilities, with access to a structured, growth-oriented environment and exposure to a variety of production settings.

This is a Contract position based out of Hayward, CA.

The pay range for this position is $32.00 - $48.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully onsite position in Hayward,CA.

This position is anticipated to close on Aug 28, 2026.

Aerotek® Inc. provides staffing and services solutions in manufacturing, logistics, construction, aviation, facilities and maintenance. We provide the expertise, solutions and people required to rise to the challenges of North American industry. Headquartered in Hanover, Md., Aerotek operates a unified network of over 200 offices across North America, supporting more than 18,000 clients each year. Aerotek is an Allegis Group company, the global leader in workforce and business solutions. To learn more, visit: Aerotek.com | 1-888-AEROTEK.

Aerotek offers weekly pay, employee benefits including medical, dental & vision, life insurance, health advocacy and employee assistance programs, a 401(k) plan, and employee discounts.

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

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.

We know that finding work is hard, and finding meaningful work is harder. Aerotek connects 180,000+ light industrial and skilled trades workers with 14,000+ employers each year, helping our workers navigate an evolving labor market and find jobs that meet their goals, skills, and interests. Since 1983, we have provided a variety of career opportunities across North American industry – from short-term assignments at Fortune 500 companies where you can build your skills, to long-term opportunities where you can play a vital role in solving companies’ construction, manufacturing, and maintenance challenges. Our 1,500+ experienced recruiters across 250+ offices work relentlessly to put our workforce in a position to thrive. Let us rise to meet your challenges and put our people-are-everything spirit to the test as your career continues to grow.