Cleanroom Mechanical Assembler

Job Title: Cleanroom Mechanical Assembler Job Description

This role involves assembling and testing mechanical and electrical sub-assemblies and components in a class 10 cleanroom environment. You will interpret assembly drawings, use hand tools and testing equipment, perform crimping and electrical connections, and accurately record data while following ISO9001 and lean manufacturing practices. You will work both independently and as part of a team to build large-scale equipment used in gas distribution and semiconductor processes.

Responsibilities

• Read and interpret assembly drawings to build mechanical and electrical sub-assemblies and component parts.
• Perform mechanical assembly using a variety of hand tools and testing equipment in a cleanroom environment.
• Crimp and make reliable electrical connections according to specifications and quality standards.
• Assemble and test sub-assemblies and component parts to ensure they meet performance and safety requirements.
• Use basic computer software, including email and word processing applications, to support daily tasks and documentation.
• Record test data accurately, including hydro testing data when required, and maintain clear, organized records.
• Follow ISO9001 procedures and documentation requirements throughout the assembly and testing process.
• Apply 5S and lean manufacturing principles to maintain an efficient, organized, and safe work area.
• Collaborate with team members to meet production goals while also being able to work independently with minimal supervision.
• Support continuous improvement efforts and contribute ideas for process improvement projects when needed.
• Handle and assemble large-scale equipment components carefully, ensuring cleanliness and adherence to cleanroom standards.
• Maintain cleanroom discipline, including proper handling of tools, components, and documentation to prevent contamination.

Essential Skills

• 23 years of experience in manual assembly production, ideally in a mechanical or electro-mechanical environment.
• Proficiency in reading and interpreting assembly drawings and technical documentation.
• Hands-on experience with mechanical assembly using hand tools and testing equipment.
• Ability to crimp and make secure electrical connections according to specifications.
• Experience assembling and testing sub-assemblies and component parts, preferably in a cleanroom setting.
• Basic computer skills, including the use of email and word processing software.
• Experience working in an ISO9001 environment and following standardized procedures.
• Familiarity with 5S and lean manufacturing principles and their application on the shop floor.
• Demonstrated ability to work effectively in a team environment as well as independently.
• Experience working in a cleanroom environment and following cleanroom protocols.
• Experience building large-scale equipment or complex mechanical systems.

Additional Skills & Qualifications

• Experience with hydro testing and accurate test data recording is a strong plus.
• Participation in process improvement projects is considered an advantage.
• Prior exposure to equipment for gas distribution or semiconductor processes is beneficial.
• Comfort working on multiple shifts, including first and second shifts, as needed.

Why Work Here?

You will join a highly specialized environment that supports advanced gas distribution and semiconductor processes, offering exposure to cutting-edge cleanroom manufacturing. The organization emphasizes structured, ISO9001-compliant operations, lean manufacturing, and continuous improvement, giving you the opportunity to develop your skills and contribute to meaningful process enhancements. You will benefit from a stable schedule, clear expectations, and a collaborative culture that values teamwork, precision, and professional growth.

Work Environment

This position is fully onsite, working in a class 10 cleanroom environment where cleanliness, precision, and discipline are critical. Standard hours are Monday through Friday from 7:00 a.m. to 3:30 p.m., with some flexibility for earlier start times. A second shift is also available from 3:00 p.m. to 11:30 p.m. You will work with mechanical hand tools, testing equipment, and computer systems in a controlled, ISO9001-compliant facility that follows 5S and lean manufacturing principles. Cleanroom protocols apply at all times, including appropriate attire and handling procedures to maintain the required cleanliness standards.

Job Type & Location

This is a Contract to Hire position based out of Longmont, CO.

Pay and Benefits

The pay range for this position is $22.00 - $26.00/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)

Job Type & Location

This is a Contract to Hire position based out of Longmont, CO.

Application Deadline

This position is anticipated to close on Nov 17, 2026.

Workplace Type

This is a fully onsite position in Longmont,CO.

About Aerotek

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.