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Machinist - 2nd or 3rd Shift - Decatur, IL

Caterpillar · Decatur, IL · Full time

Posted Sep 23, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a time you improved a process or cycle time in a machine shop.

What they are checking: Whether they look for better ways to work, not just run parts.

Shifts here change based on business needs. How flexible can you be?

What they are checking: Whether they can handle schedule changes the posting warns about.

What would you do

You're running a large part and hear chatter. What do you do?

What they are checking: Whether they stop and adjust tooling, speeds, feeds or workholding before damaging the part.

A coworker leaves a machine in bad shape at the end of their shift. How do you handle it?

What they are checking: Whether they address the issue constructively instead of complaining or ignoring it.

About the work

Tell me about your experience running vertical turret lathes.

What they are checking: Whether they have the vertical turret lathe experience the Decatur posting names.

What multi-axis CNC machines have you set up and run?

What they are checking: Whether they can handle the multi-axis equipment the role uses.

Walk me through how you interpret a blueprint before you cut the first part.

What they are checking: Whether they read the full print, including tolerances and notes, before starting.

How do you set work and tool offsets, and how do you double-check them?

What they are checking: Whether they have habits that prevent crashes and scrap.

How do you check parts during a run to make sure they stay in tolerance?

What they are checking: Whether they own quality throughout a run.

What safety rules matter most to you around a lathe?

What they are checking: Whether they respect hazards like rotating chucks, loose clothing and chip handling.

Practice this interview out loud.

Offer builds a real interview for this exact role at Caterpillar from your resume and this job description, asks the questions one at a time, and tells you what landed. The first one is free.

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The full job description

As published by Caterpillar.

Career Area: Operations Job Description: Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do – but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here – we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it. CNC Machinist / Lathe Operator (Decatur, IL) Job Title: CNC Machinist / Lathe Operator Company: Caterpillar Inc. Location: Decatur, Illinois Job Type: Full-Time Pay: Starting at $26.66/hr + $1.00/hr shift premium (if applicable) Benefits: Health, Dental, Vision, 401(k), Paid Time Off, and more Shifts: Multiple shifts available based on business needs Job Overview Caterpillar Inc., a global leader in industrial equipment manufacturing, is hiring a CNC Machinist / Lathe Operator to support precision machining operations in our Decatur, IL facility. This position is ideal for candidates with experience in CNC machining , machine shop operations , and blueprint interpretation . You’ll work with advanced equipment including vertical turret lathes and multi-axis CNC machines to produce high-tolerance components used in Caterpillar’s heavy equipment. Why You’ll Love Working Here As a full-time Caterpillar employee, you’ll enjoy a comprehensive benefits package that includes: • Medical, dental, and vision insurance • 401(k) with company match • Paid time off and paid holidays • Employee assistance programs • Tuition reimbursement and training opportunities • Career advancement pathways within a global organization We believe in investing in our people and providing a safe, inclusive, and growth-oriented workplace. Key Responsibilities • Set up and operate CNC machining centers for turning, milling, drilling, hobbing, shaping, and skiving. • Manually operate vertical turret lathes for precision machining. • Adjust single spindle automatic cutoff machines for barstock and tubing. • Load/unload machines and follow safe working methods. • Interpret CMM data and apply quality control plans. • Maintain a clean and organized workspace using 5S and TPM principles. Required Qualifications • Technical school diploma or equivalent in mechanical/manufacturing disciplines. • Prior experience in a machine shop or CNC machining environment. • Strong blueprint reading and machine drawing interpretation skills. • Effective communication and teamwork abilities. • Willingness to work any assigned shift. Preferred Qualifications • Experience with multi-axis CNC machines and vertical turret lathes. • Familiarity with 5S (Sort, Set, Shine, Standardize, Sustain) and Total Productive Maintenance (TPM). Competencies • Safety Focus – Demonstrates a commitment to working safely, following procedures, identifying potential hazards, and contributing to a safe work environment. • Responsibility & Dependability – Takes ownership of assigned work, follows through on commitments, maintains attendance standards, and consistently delivers quality results. • Teamwork & Collaboration – Works effectively with others, communicates respectfully, supports team goals, and contributes to a positive and productive work environment. • Functional Expertise & Continuous Learning – Learns and applies job-related knowledge, follows established processes, solves routine work challenges, and adapts to new tools, equipment, and procedures. • Mechanical Aptitude & Problem Solving – Demonstrates the ability to understand equipment, troubleshoot issues, interpret technical information, and apply mechanical reasoning to complete work safely and effectively. Additional Information • Location: Decatur, IL • Relocation Assistance: Not available • Employment Type: Full-time with benefits • Drug Screening: Required prior to employment • Sponsorship: Not available for this role Summary Pay Range: $0.00 - $0.00 Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-related knowledge, skills, individual performance and experience. Please note that salary is only one component of total compensation at Caterpillar. Benefits: Subject to plan eligibility, terms, and guidelines. This is a summary list of benefits. • Medical, dental, and vision benefits* • Paid time off plan (Vacation, Holidays, Volunteer, etc.)* • 401(k) savings plans* • Health Savings Account (HSA)* • Flexible Spending Accounts (FSAs)* • Health Lifestyle Programs* • Employee Assistance Program* • Voluntary Benefits and Employee Discounts* • Career Development* • Incentive bonus* • Disability benefits • Life Insurance • Parental leave • Adoption benefits • Tuition Reimbursement * These benefits also apply to part-time employees Posting Dates: October 5, 2026 - October 24, 2026 Any offer of employment is conditioned upon the successful completion of a drug screen. Caterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities. Qualified applicants of any age are encouraged to apply. Not ready to apply? Join our Talent Community .

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