CNC Machine Operator - 1st Shift

Job Description

Job Description

Connect Staffing is hiring a CNC Machinist for a medical device and optical lens manufacturing facility in Ontario, CA. This is a temp-to-hire first-shift position paying $20/hr. In this role, you will operate Optoform lathes and mills to machine intraocular lenses (IOLs), then inspect them using microscopes and comparators for surface defects and dimensional accuracy. This is a long-term placement with a globally recognized optical and medical technology company.

Pay: $20/hr

Schedule: Monday–Friday, 4:00 AM–12:30 PM, must be available to work overtime (10 or 12 hour shift, and Saturdays) as needed

Location: Ontario, CA

Job Type: Temp-to-Hire

Primary workplace language(s): English

Work Environment: Manufacturing Plant / Factory

Responsibilities

• Machine hydrophobic and multifocal intraocular lenses (IOLs) using Optoform lathes and mills in 1PC or 3PC machining cells.
• Read and interpret lens drawings and overlays to guide machining and in-process quality inspections.
• Measure IOL dimensions, diopter, back focal length (BFL), and image quality to verify parts meet specifications.
• Complete work orders and production documentation accurately in accordance with Good Documentation Practices (GDP).
• Monitor, control, and adjust equipment temperature; maintain vacuum lines and troubleshoot utility connections.
• Communicate equipment concerns or process issues to leads and supervisors.

Minimum Requirements

• 1+ year of machining, CNC operation, or precision manufacturing experience.

Preferred Qualifications

• Experience operating CNC lathes, mills, or similar precision machining equipment.
• Familiarity with optical, medical device, or cleanroom manufacturing environments.
• Experience using microscopes, comparators, or other optical inspection equipment.
• Knowledge of Good Manufacturing Practices (GMP) or Good Documentation Practices (GDP).
• Experience performing in-process quality inspections and recording production data.
• Ability to read and interpret technical drawings or manufacturing specifications.
• You may be a great fit if you've held any of these titles: CNC Machinist, Precision Machinist, Optical Machinist, Manufacturing Machinist, Machine Operator, CNC Operator, Production Machinist, Lens Machinist, Medical Device Machinist, Quality Control Machinist.

Pre-Employment Requirements

• Must be authorized to work in the United States
• Background check required.
• Drug screen required.
• Pre-employment physical exam required.
• Must communicate effectively in English.
• Ability to lift up to 10 lbs. frequently.
• Ability to work at a fast pace in a production environment.
• Steel toe boots required (employee-provided).

Benefits

• Weekly pay.
• Direct deposit / Paycard.
• Health and dental benefits available.
• Earn referral bonuses.
• CalSavers retirement program available.

#CONHV