CNC Machining Intern: Hands-On Training & Growth

Southern Illinois Crankshaft, Inc; Illinois; Hybrid; USD 21,000 - 30,000; Full time

Benefits offered by this job

Comprehensive insurance options

Tuition assistance or reimbursement

Paid time off and holidays

Career development opportunities

Safe, climate-controlled facility

Job summary

The CNC Machinist Internship at Southern Illinois Crankshaft, Inc. offers an entry-level path to hands-on manufacturing skills in precision machining. You will learn machine setup, operation, inspection, blueprint reading, and shop safety while contributing to producing high-quality parts that meet specifications.

You will train with experienced machinists and participate in continuous improvement, with wage progression based on skill and performance.

Qualifications

• High school diploma or GED is required; enrollment in machining or related program preferred.
• Strong mechanical aptitude, basic math, and eager to learn machining processes.
• Ability to read simple instructions, inspect parts, and follow safety rules.

Responsibilities

• Assist with CNC machine setup, loading, and monitoring machining cycles.
• Read blueprints and part specifications to ensure correct manufacture.
• Use calipers, micrometers, and gauges to inspect tolerances and quality.

Skills

Mechanical aptitude

Attention to detail

Teamwork

Basic math

Education

High school diploma or GED

Enrollment in machining/manufacturing program preferred

Tools

Calipers

Micrometers

CAD/CAM software

Job description

The CNC Machinist Internship is an entry-level position designed for individuals who want to build hands-on manufacturing skills and begin a career in precision machining. In this role, you will work alongside experienced machinists to learn machine setup, operation, inspection techniques, blueprint reading, and safe shop practices while helping produce high-quality parts that meet customer and engineering specifications.

Key Responsibilities

• Train under the guidance of senior machinists, programmers, and supervisors to learn CNC machining processes and best practices.
• Assist with machine setup, loading raw materials, changing tools, and monitoring machining cycles.
• Read and interpret blueprints, drawings, work instructions, and part specifications.
• Use precision measuring instruments such as calipers, micrometers, and gauges to inspect parts and verify tolerances.
• Perform basic edits, offsets, and adjustments as directed to support quality and production goals.
• Maintain clean, organized, and safe work areas in accordance with company safety standards.
• Support deburring, part finishing, labeling, packaging, and documentation activities as needed.
• Learn preventive maintenance basics and assist with routine machine care.
• Communicate clearly with team members regarding production status, quality concerns, and improvement opportunities.
• Participate in training, continuous improvement efforts, and other shop support activities as assigned.

Qualifications

• High school diploma or GED required; enrollment in or completion of a machining, manufacturing, industrial technology, or related program is preferred.
• Strong mechanical aptitude and interest in machining, manufacturing, or skilled trades.
• Basic math skills, including fractions, decimals, and measurement conversions.
• Ability to follow instructions, learn quickly, and maintain attention to detail.
• Strong work ethic, reliability, and willingness to ask questions and take direction.
• Ability to work independently and as part of a team in a fast-paced production environment.
• Previous shop, tool, or manufacturing experience is helpful but not required.
• Familiarity with measuring tools, blueprint reading, or CAD/CAM software is a plus but not required.

Physical Requirements & Work Environment

• Ability to stand, walk, bend, and lift materials or parts throughout the shift.
• Ability to lift up to 50 pounds, with or without reasonable accommodation.
• Must be able to use hand tools, measuring equipment, and personal protective equipment safely.
• Work is performed in a clean, well-lit, climate-controlled manufacturing facility designed to support employee comfort, equipment performance, and product quality.
• Exposure to typical machine shop conditions, including moving equipment, metal chips, coolants, and moderate noise levels.

Compensation & Schedule

This position may be offered as a full-time trainee role or a part-time/full-time internship depending on the candidate’s school schedule and business needs. Compensation is competitive and based on experience, education, and availability, with opportunities for wage progression as skills increase.

Benefits Package

• Comprehensive medical, dental, and vision insurance.
• 401(k) retirement plan with company match.
• Paid time off and paid holidays.
• Life insurance and AD&D coverage.
• Short-term and long-term disability insurance.
• Tuition assistance or reimbursement for approved machining or technical coursework.
• Paid on-the-job training and career development opportunities.
• Uniform assistance or safety shoe reimbursement, if applicable.
• A clean, organized, climate-controlled facility with modern equipment and a team-oriented environment.

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