Job Description

The Mechanical Assembler supports the development and verification of medical diagnostic devices by assembling precision biosensor disposables, executing test plans, collecting and analyzing data, and maintaining laboratory and test equipment. This role combines hands-on mechanical assembly with basic laboratory work, contributing directly to product testing, pilot studies, and design verification activities in a regulated environment.

Responsibilities

• Create test plans, test procedures, and test reports to support development studies and formal design verification activities.
• Formulate and assemble reagent-based biosensor disposable components to support internal product testing and external pilot studies.
• Perform data collection using whole blood samples and quality controls, ensuring accurate and reliable measurements.
• Analyze collected data using common statistical methods and summarize findings clearly.
• Interface with the database system to update records, improve data accumulation, and ensure data integrity.
• Implement laboratory upgrades and perform general day-to-day lab upkeep to maintain an efficient and organized workspace.
• Ensure safe laboratory practices and maintain good laboratory practices (GLP) at all times.
• Provide preliminary interpretation of test results and present clear and concise conclusions to team members.
• Conduct verification testing on mechanical, chemical, and electronic components following written and/or verbal instructions from senior team members.
• Design and construct test fixtures and setups to support design verification activities.
• Diagnose product problems using a methodical and structured approach and clearly communicate findings to the team.
• Maintain complex test equipment, including scheduling and tracking calibration and preventative maintenance.
• Organize appointments with phlebotomy organizations in coordination with testing activities and communicate with study subjects in compliance with IRB practices.
• Provide regular status reports on assigned tasks and communicate progress, issues, and timelines to the team.
• Follow detailed work instructions, standard operating procedures (SOPs), and travelers during assembly and testing activities.

• Proven ability to perform manual assembly of small, precision components.
• Experience with layer-by-layer mechanical assembly of disposable diagnostic cartridges or cassettes.
• Comfortable using tweezers, small hand tools, and calipers for precision assembly work.
• Ability to read and work from blueprints and mechanical schematics.
• Ability to use hand tools safely and effectively in a production and test environment.
• Strong organization skills to manage tasks, documentation, and equipment upkeep.
• Ability to follow detailed work instructions, SOPs, and travelers accurately and consistently.
• Basic understanding of GMP and regulated manufacturing environments.
• Experience assembling medical devices, diagnostics, or consumable components.
• Ability to perform data collection and basic data analysis using common statistical methods.
• Comfort interfacing with database systems to input, update, and manage test and production data.
• Capability to diagnose product problems using a logical and methodical approach.
• Strong written and verbal communication skills to present results and status updates clearly.

• Experience working with reagent-based biosensor disposables or similar consumable products.
• Familiarity with verification testing of mechanical, chemical, and electronic components.
• Experience designing or constructing simple test fixtures and test setups.
• Exposure to good laboratory practices (GLP) and safe lab operations.
• Comfort working with whole blood samples and quality control materials in a controlled environment.
• Familiarity with IRB practices and working within ethical and regulatory guidelines for subject communication.
• Interest in medical device and diagnostics manufacturing and a desire to build a long-term career in this industry.
• Ability to work effectively within a small, collaborative team and support multiple tasks as needed.

Employees gain hands-on experience building medical diagnostic devices that directly impact patient care, while working in a small, supportive team environment. The role offers consistent weekday hours, exposure to precision manufacturing, basic chemistry, and GMP practices, and serves as an excellent entry point into the medical device and diagnostics industry with strong long-term growth potential.

Work Environment

The role is based in a laboratory and light manufacturing setting within a small team of approximately six people. Work involves manual assembly of small, precise components using tweezers, hand tools, and calipers, as well as interaction with test equipment and laboratory instruments. The environment follows good laboratory practices and basic GMP principles, with a focus on safety, organization, and cleanliness. Work typically follows a consistent weekday schedule, supporting both internal testing and external pilot studies in a regulated medical diagnostics context.

Job Type & Location

This is a Contract to Hire position based out of South San Francisco, CA.

The pay range for this position is $25.00 - $35.00/hr.

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 South San Francisco,CA.

This position is anticipated to close on Apr 29, 2026.

About Aerotek:

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 meets 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 solving for 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.

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.

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