Centerless Grinder Operator
Listed on 2026-01-17
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Manufacturing / Production
Manufacturing Production, Quality Engineering
Under the guidance of the lead man or supervision, operates
Grinding
equipment to manufacture metal parts to print specifications. Performs required quality workmanship through the use of precision measuring instruments and special test equipment. Follows scheduled workflow assignments in order to meet customer demands and production control requirements. Works towards meeting established standards and performance requirements.
Position Responsibilities:
- Grinds metal parts to print specifications and established performance standards.
- Performs quality workmanship through the use of precision measuring instruments, enters data into the Statistical Process Control (SPC) system and special test equipment.
- Refers to drawings, engineering prints and written instructions to machine products to customer / engineering specifications.
- Follows scheduled workflow according to assigned priorities and communicates deviations to department lead.
- Works toward increased performance and makes adjustments to equipment and set‑ups as needed.
- Insures that all materials are available prior to initiating production and communicates shortages to department lead.
- Conforms to written instructions and procedures to achieve increased performance in production and quality workmanship.
- Monitors equipment maintenance and adheres to safety regulations.
- Performs other duties as assigned or necessitated by change or condition.
- Must be willing to work overtime as needed.
- Participates in LEAN, 6S and Root Cause analysis activities as required.
- High School Diploma, Equivalent, or GED.
- Other related duties as required.
Skills and Experience:
- High School diploma, equivalent or GED
- Operate one Centerless grinding machines (Handle and Cam‑Out) according to blueprints, specifications, work orders and instructions to meet or exceed production requirements.
- Must be able to grind Thread Diameter (TD).
- Must be able to perform “Finish” grind to hold close tolerances (.0002 - .0005).
- Must be able to dress both grinding and feed/regulating wheel.
- Ability to suggest tooling improvements to Engineering for process/method improvements.
- Ability to fluently read and follow instructions in English.
- Ability to interpret prints and engineering drawings.
- Ability to perform machining on a variety of high strength materials (Inconel, A286, Stainless, 300M, 15-5, etc).
- Knowledge of tooling to achieve consistent quality results.
- Knowledge of precision measuring instruments.
- Must read, understand, refer to and interpret Geometric, Dimensioning and Tolerancing (GD&T) dimensioning and third view projection blueprints.
Experience:
- 5+ years of grind experience in the fastener industry.
- Experience in an Aerospace manufacturing environment preferred.
- Bilingual - English and Spanish
- Due to ITAR regulations, this position requires that the employee must be a U.S. Person (U.S. Citizen or Permanent Resident) or a Foreign Person for whom a license is obtained.
- Employees will participate in understanding, implementing and maintaining the Company Quality Policy in accordance with "AS-9100C" and/or "ISO-9001:2008" requirements.
Working Conditions:
- This is primarily a position that requires employees to stand for 8 hours and grind production parts. This position requires lifting parts up to 25 lbs. and the employee must often bend and reach to load materials on equipment. The employee also moves throughout the building to collect, deliver, and handle production parts.
- This job description does not list all of the duties of the job. You may be asked by supervisors or managers to perform other duties. You will be evaluated in part based upon your performance of the tasks listed in this job description.
- The company reserves the right to change, rescind, add or delete the duties and responsibilities of positions within this job classification at any time. The job description is not a contract for employment, and either you or the employer may terminate employment at any time, for any reason.
We offer competitive compensation and excellent benefits including Medical, Dental, and a company matched 401k plan.
Roller Bearings of America / Sonic Industries, Inc.
EOE/W/M/Vets/Disability
Torrance Location
Available Immediately
Job Type: Full-time
- 401(k)
- 401(k) matching
- Flexible spending account
- Health insurance
- Health savings account
- Life insurance
- Paid time off
- Parental leave
- Referral program
- Vision insurance
Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws.
For further information, please review the Know Your Rights notice from the Department of Labor.
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