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CNC Machinist Level 4

Dover · Rock Island, IL · Full time

Posted Sep 9, 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 the hardest part you have ever machined. What made it hard?

What they are checking: Depth of real experience and how they solve difficult machining problems.

How do you teach a less experienced machinist a setup you have done many times?

What they are checking: Whether a senior machinist can pass on skills, which helps the whole shop.

What would you do

A first article fails inspection on one feature. How do you find the cause?

What they are checking: Whether they troubleshoot step by step, checking setup, tooling and program, rather than making random adjustments.

You notice an engineering drawing has an error. What do you do?

What they are checking: Whether they raise issues with engineering instead of making changes on their own.

How do you keep safety a habit when you are under pressure to finish a hot job?

What they are checking: Whether they keep safe practices even when deadlines are tight.

About the work

Walk me through how you program and set up a complex part on a multi-axis machine.

What they are checking: Whether their skill matches a top-level machinist who handles demanding work alone.

How do you hold tight tolerances on large bearing or seal components?

What they are checking: Whether they understand heat, fixturing and tool deflection on precision parts.

How do you read a complex print with GD&T and section views?

What they are checking: Advanced print reading skill needed for mission-critical components.

How would you reduce cycle time on a job without hurting quality?

What they are checking: Whether they think about efficiency, which matters at the highest skill level.

What inspection tools are you confident using, like CMMs, bore gauges or height gauges?

What they are checking: Whether they can verify their own precision work with confidence.

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The full job description

As published by Dover.

DOVER PRECISION COMPONENTS: Dover Precision Components ‘DPC’ (‘the Company’) is part of Dover Corporation’s (‘the Parent Company’) Pumps and Process solutions segment. DPC holds market leading positions globally and delivers performance-critical solutions across the oil & gas, power generation, marine, industrial, chemical and general processing markets. We design and manufacture mission-critical equipment components to deliver more affordable, cleaner energy solutions and enable manufacturers to operate more efficiently. WE DELIVER CUSTOMER SUCCESS​ Dover Precision Components delivers products and services that enhance performance, improve safety, reduce carbon emissions, and accelerate clean energy adoption, through collaborative customer relationships, expert engineering, and an innovative culture. Our strong Company portfolio is comprised of long products and services offered under Cook Compression, Cook Mechanical Field Services, Waukesha Bearings, Waukesha Magnetic Bearings, Inpro/Seal, Bearings Plus, and FW Murphy Production Controls. Our global footprint reaches more than twelve locations in the Americas and more than six locations in Europe and China. BUILDING POTENTIAL. SUSTAINING PERFORMANCE. BOOSTING FUTURES. We are diligent in recognizing our employees’ needs and providing an enriching experience through professional developmental opportunities. Our authentic, collaborative company culture, combined with a competitive suite of health and welfare offerings, emulates who we are. We are Dover Precision Components, #LifeAtDPC Produces machined parts using a Computer Numerical Control (CNC) lathe machine. Studies work orders, blueprints, engineering plans, materials, specifications, reference planes, locations of surfaces, and machining parameters; interpreting geometric dimensions and tolerances (GD&T). Checks SPC charts for frequency of checks, gauging and measurements.. A Support 3 requires broad knowledge of operational procedures and tools obtained through extensive work experience and may require vocational or technical education. Responsibilities typically include: Works under limited supervision for routine situations.. Provides assistance and training to lower level employees.. Problems typically are not routine and require analysis to understand.

Pay Range: USD 27.50 - 40.65 Hourly

This position is eligible to earn a discretionary bonus based on performance metrics and other criteria outlined in our applicable bonus plan.

We consider several job-related, non-discriminatory factors when determining the pay rate for a position, including, but not limited to, the position’s responsibilities, a candidate’s work experience, a candidate’s education/training, the position’s location, and the key skills needed for the position. Pay is one of the Total Rewards that we provide to compensate and recognize employees for their work.


 All qualified applicants will receive consideration for employment without discrimination on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, age, genetic information, or any other factors prohibited by law. Fraudulent Recruiting Disclaimer: Dover Corporation and our affiliated operating companies want to alert applicants to internet job posting fraud, where parties posing as Dover employees, recruiters, or other agents, try to engage with online candidates in an attempt to steal personal and/or financial information. We do not endorse or engage in any recruitment practices that involve payment or personal information outside of our official application and hiring process. Please verify the authenticity of an invitation to apply for a job, or for a job offer by contacting us directly through our Dover and affiliated operating company websites at https://careers.dovercorporation.com/ . To learn how you can protect yourself, review our Recruitment Fraud Notice on our careers site. Attention Applicants: If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, please let us know. Likewise, if you are limited in the ability to access or use this online application process and need an alternative method for applying, we will determine an alternate way for you to apply. Please contact hr@doverprecision.com for assistance with an accommodation. Kindly specify Job Requisition Number / Job Title and Location in response.

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