Machinist III

Overview

Job Title: Machinist III

Location: South El Monte, US, 91733

Company: VACCO Industries an RBC Company

Prepared Date: 10/14/2025

Without need for supervision performs complex set ups and operates conventional, special purpose or CNC machines to fabricate metallic and nonmetallic parts and/or fixtures.

• Interprets blueprints, sketches, drawings, manuals, specifications, or sample part to determine dimensions and tolerances of finished workpiece, and setup requirements.
• Measures, marks, and scribes dimensions and reference points on material or workpiece as guides for subsequent machining.
• Selects, aligns, and secures holding fixtures, cutting tools, attachments, accessories, and materials on machines such as mills, lathes, and grinders.
• Calculates and adjusts the machining factors such as speed, feed, coolant flow, and depth and angle of cut. Starts and observes machine operation to detect malfunctions or incorrect machining conditions, and adjusts machine controls as required.
• Verifies conformance of finished workpiece to specifications.
• Confers with engineers, production personnel, programmers, or others to resolve machining, fixture, or programming issues. Works with management to find potential improvements with regards to tools or program changes.
• Must maintain a clean, organized, and efficient work station while maintaining safety standards and production efficiency levels.
• Keep machine tools clean and in good working order.

Previous experience in machine shop processes of CNC or conventional applications. Specific tool sharpening abilities is required. Ability to apply concepts of basic math and trigonometry. Ability to read and interpret blueprint drawings. Experience with basic set up and G-Code programming. Ability to perform first article inspections using precision measuring and gauging instruments on parts being machined or fabricated. General understanding of the entire machining/manufacturing process.

HS diploma or GED certificate and minimum of 5+ years of technical experience in a manufacturing environment and/or training; or equivalent combination of education and experience;
Or educational equivalent of two year certificate from college or technical training school and 3+ years of technical experience in a manufacturing environment and/or training.

Ability to read and interpret documents such as safety rules, operating and maintenance instructions, and procedure manuals. Ability to write routine reports and correspondence.

Ability to apply concepts of basic math and trigonometry.

Ability to apply common sense understanding to carry out instructions furnished in written, oral, or diagram form. Ability to deal with problems involving several concrete variables in standardized situations.

Specific vision abilities required by this job include close vision, distance vision, depth perception and the ability to adjust focus. While performing the duties of this job, the employee primarily stands to perform work and required to use hands to finger, handle or feel objects, tools or controls and reach with hands and arms. The employee is required to talk or hear.

The employee is occasionally required to stoop, kneel, crouch or crawl. The employee must frequently lift and or move up to 25lbs.

Majority of work is performed in a normal plant/workshop environment. While performing the duties of this job, the employee is occasionally exposed to fumes or airborne particles, toxic or caustic chemicals. Noise level is consistent with a machine shop which is usually moderate. Proper safety training and equipment is provided to employee for the safe performance of required duties.

This description indicates the general nature of the tasks and responsibilities required of positions given this classification. It is not intended as a complete list of specific duties and responsibilities, nor is it intended to limit or modify the right of management to assign, direct and control specific duties of individuals performing this function. The Company reserves the right to change, modify, amend, add to, or delete from any section of this document as it seems, in its judgment, to be proper.

This description supersedes any previous description for this position.

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

This position requires U.S. citizenship.

To formally apply, please complete the following step:
Visit the VACCO Careers Portal and search for the position using the exact job…