CNC Machine Operator, 3rd Shift

Dentsply Sirona

. Set up, operate, and tend grinding machines and related tools producing fluted endodontic files .

Posted 9/17/2026full-timeJohnson City • Tennessee • United StatesJuniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in operating and maintaining grinding machines, with a strong focus on quality control and adherence to production specifications. Proficient in machine setup, adjustment, and troubleshooting, ensuring efficient manufacturing processes.

Highest-signal resume keywords

CNC Machine OperationTotal Productive Maintenance (TPM)Machine Tooling SelectionQuality Control TechniquesTechnical Degree (AS or BS)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Grinding Machine OperationMachine AdjustmentGauging KnowledgeProduction Process KnowledgeData Entry SkillsMathematical CalculationsMachine Tool Design KnowledgeTechnical Documentation InterpretationMachine MaintenanceQuality Control Inspection

Soft Skills

Detail-OrientedSelf-MotivatedClear CommunicationTime ManagementProblem-Solving

Tools & Technologies

Beckhoff CNC MachinesManufacturing SoftwareHand ToolsTouchscreen Interface

Industry Keywords

Endodontic Files Production5S and 6S StandardsMetal MachinesManufacturing EffectivenessOperational Sequences

About the role

Key responsibilities & impact

Set up, operate, and tend grinding machines and related tools producing fluted endodontic files
Study shop orders, DHRs, and work instructions to determine product specifications, tooling requirements, and operational sequences
Set and adjust machine controls according to product specifications using machine operation and gauging knowledge
Activate machine start-up switches to grind, lap, hone, debar, shear, or cut work pieces according to specifications
Observe machine operations, detect problems, and make necessary machine adjustments
Adjust machine parameters using the machine touchscreen interface
Inspect and measure endodontic files using gauges or comparators to determine conformance with specifications
Operate 6–8 CNC Machine Files New Beckhoff (MKNBs)
Perform machine Total Productive Maintenance (TPM) at start-up
Select machine tooling and changeover details based on machine, production requirements, and process documentation
Mount and position grinding wheels and perform tooling changeovers using hand tools
Maintain housekeeping according to 5S and 6S standards
Perform other tasks related to the employee’s competence as needed by the company
Work the third shift, Sunday through Thursday, 11:00 pm–7:00 am

Requirements

What you’ll need

High School Diploma or General Education Degree (GED) preferred, or combination of work experience and education
Technical degree (AS or BS) a plus
Minimum of six months to 1 year machine operation experience or equivalent technical work/education experience
Six months work experience and/or training on metal machines preferred
Knowledge of machines and tools, including their design, uses, repair and maintenance
Ability to quickly and repeatedly adjust machine controls to exact positioning
Knowledge of raw materials, production processes, quality control, and techniques for maximizing manufacturing and distribution effectiveness
Ability to identify when something is wrong or likely to go wrong
Ability to read and interpret procedural documents and safety instructions
Basic computer skills, including data entry, manufacturing software, email, and internet applications
Ability to calculate percentages, area, circumference, and volume
Ability to apply common-sense understanding to written, oral, or diagrammatic instructions
Ability to deal with problems involving several concrete variables in standardized situations
Ability to write simple correspondence
Ability to communicate clearly one-on-one and in small group settings
Ability to work under pressure, multitask, and manage time
Detailed-oriented and self-motivated
Must be eligible to work in the country where the position is based
Ability to meet the physical demands of the role, including standing, walking, frequent talking/hearing, repetitive hand use, reaching, and working near moving mechanical parts
Ability to lift up to 25 lbs seldom with assistance and 10 lbs occasionally
Ability to meet close, distance, color, and peripheral vision requirements and adjust focus

Benefits

Comp & perks

Health insurance (3 options)
Dental insurance (provided)
Vision insurance
Life insurance (provided) and extra life insurance
Short-term disability insurance (provided)
Long-term disability insurance (provided)
401(k) retirement plan with company matching
10 holidays
Paid time off
Provided hearing protection when needed due to loud noises
Provided breaks for proper hand exercises
Provided padded floor mats and stretch breaks
Safety glasses provided and required in the CNC cell