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Freelance Clean Room Engineer Jobs in California

Work cross-functionally with engineering, data science, legal/data governance, sales, client success, and your product colleagues to prioritize clean room capabilities that drive new revenue and ...

Maintain a clean, organized, and inspection-ready cleanroom at all times. * Support environmental ... Engineering, and Supply Chain; ensure proper shift handoff documentation at end of 2nd shift.

$62K - $83K/yr

Operate effectively with reduced engineering and support resources during off-hours * Ensure clean and accurate handoff to next shift Qualifications * High school diploma or equivalent 2+ years of ...

... Engineer to join our team in Taft, CA. The selected candidates will integrate Prop Test execution ... clean room operations. This role will mainly collaborate with the SSL Leadership & Prop Test ...

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Freelance Clean Room Engineer information

What is the difference between Freelance Clean Room Engineer vs Clean Room Technician?

AspectFreelance Clean Room EngineerClean Room Technician
CredentialsEngineering degree, certifications in clean room protocolsTechnical diploma or certification in clean room operations
Work EnvironmentDesign, oversee, and troubleshoot clean room processes; often project-basedOperate and maintain clean room equipment; routine tasks
Employer & IndustryConsultants, biotech, pharmaceutical, semiconductor industriesManufacturing facilities, laboratories, production lines

Freelance Clean Room Engineers focus on designing and optimizing clean room processes, often working independently or on contract. Clean Room Technicians handle daily operations and maintenance within clean rooms. While both roles require knowledge of clean room standards, engineers typically have a broader technical background, whereas technicians focus on hands-on tasks.

What are the most commonly searched types of Clean Room Engineer jobs in California?

The most popular types of Clean Room Engineer jobs in California are:

What are popular job titles related to Freelance Clean Room Engineer jobs in California?

For Freelance Clean Room Engineer jobs in California, the most frequently searched job titles are:

What job categories do people searching Freelance Clean Room Engineer jobs in California look for?

The top searched job categories for Freelance Clean Room Engineer jobs in California are:

What cities in California are hiring for Freelance Clean Room Engineer jobs?

Cities in California with the most Freelance Clean Room Engineer job openings:

Infographic showing various Freelance Clean Room Engineer job openings in California as of August 2026, with employment types broken down into 73% Full Time, 23% Part Time, 3% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution.

Clean Room Maintenance Technician

BBSI San Jose

San Jose, CA • On-site

$20 - $25/hr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 16 days ago


Job description

Full job description


Position Summary

The Clean Room Maintenance Technician is responsible for maintaining clean room standards within a machine shop environment to support the assembly, storage, and protection of sensitive equipment. This role ensures that all clean room protocols, environmental controls, and maintenance activities meet required cleanliness, safety, and quality standards. The technician works closely with manufacturing, engineering, and quality teams to ensure contamination-free operations.

Key Responsibilities

Clean Room & Environmental Control

  • Maintain clean room standards in accordance with established ISO, company, and customer requirements
  • Monitor and document clean room conditions including particulate levels, temperature, humidity, and airflow
  • Perform routine cleaning, sanitization, and housekeeping of clean room areas, tools, and storage locations
  • Enforce gowning, PPE, and clean room behavior protocols

Maintenance & Equipment Support

  • Perform preventive maintenance on clean room systems including HVAC, HEPA filtration, and environmental monitoring equipment
  • Identify, troubleshoot, and report issues that could compromise clean room integrity
  • Coordinate repairs with facilities, vendors, or engineering as needed
  • Maintain and organize clean room tools, fixtures, and materials

Machine Shop Interface

  • Support clean transitions between machine shop operations and clean room environments
  • Ensure sensitive equipment and components are properly cleaned, packaged, labeled, and stored
  • Prevent cross-contamination between machining, assembly, and storage areas

Documentation & Compliance

  • Maintain accurate logs, checklists, and maintenance records
  • Support audits, inspections, and continuous improvement initiatives
  • Follow all safety, quality, and environmental procedures

Qualifications

Required

  • Experience working in a clean room or controlled environment (manufacturing, aerospace, medical device, semiconductor, or similar)
  • Knowledge of clean room protocols, contamination control, and PPE usage
  • Basic mechanical aptitude and maintenance experience
  • Ability to follow detailed procedures and documentation requirements
  • Comfortable working in PPE for extended periods

Preferred

  • Familiarity with ISO clean room classifications
  • Experience in a machine shop or precision manufacturing environment
  • HVAC or facilities maintenance experience
  • Understanding of ESD, sensitive equipment handling, or precision assembly

Physical Requirements

  • Ability to stand, walk, and perform repetitive tasks for extended periods
  • Ability to lift up to 50 lbs
  • Ability to work in clean room garments, including gowns, gloves, masks, and eye protection