CNC Operator & Metal Finisher

MicroAire Surgical Instruments LLC

As a part of the global industrial organization Marmon Holdings—which is backed by Berkshire Hathaway—you’ll be doing things that matter, leading at every level, and winning a better way. We’re committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone’s empowered to be their best.

The CNC Operator & Metal Finisher will primarily run the CNC (Computer Numerical Controls) machine tools by inventory tracking raw materials and loading proper raw stock into stock feeder and This role is responsible for ensuring quality by observing for malfunctions. This individual will polish and de-bur machined parts by hand and with power tools to prepare them for the next step in the finishing process.

+ Machine Shop

+ Reports to: Machine Shop Supervisor

+ Non-exempt

+ Summary

The CNC Operator & Metal Finisher is responsible for operating CNC (Computer Numerical Control) equipment and performing metal finishing activities to support the production of high-quality medical devices and components. This position ensures the efficient operation of CNC machines by loading appropriate raw materials, monitoring machine performance, maintaining production documentation, and performing required inspections.

This role is responsible for producing components that meet engineering specifications, quality standards, and production schedules while adhering to all applicable safety, quality, and regulatory requirements. The CNC Operator & Metal Finisher performs polishing, deburring, and finishing operations to ensure components are ready for subsequent manufacturing processes and final product assembly.

The position contributes to operational excellence by supporting continuous improvement initiatives, maintaining an organized and safe work environment, and promoting MicroAire's commitment to quality, innovation, and customer satisfaction.

+ Essential Duties and Responsibilities

• Operates CNC machine tools to manufacture components in accordance with engineering drawings, specifications, and work instructions.
• Maintains inventory tracking while identifying appropriate raw materials and loading proper stock into machine feeders.
• Monitors machine operation and performance to detect abnormalities, worn tooling, machine malfunctions, or quality concerns.
• Measures and inspects completed workpieces using precision measurement instruments to ensure conformance to specifications.
• Maintains inspection records, production documentation, process sheets, and manufacturing logs.
• Performs polishing, deburring, and surface finishing operations using hand tools and powered equipment.
• Determines whether surface finish, cosmetic appearance, and dimensional requirements meet quality standards for the next manufacturing process.
• Verifies parts conform to drawing specifications, workmanship standards, and quality requirements.
• Packages and prepares finished products and components for movement to downstream operations or shipment.
• Produces parts in accordance with established production schedules and departmental performance expectations.
• Reports equipment issues, quality concerns, material discrepancies, and production interruptions to supervision in a timely manner.
• Supports machinists, technicians, and cross-functional production teams as needed.
• Participates in root cause investigations, corrective actions, and continuous improvement initiatives related to safety, quality, delivery, and operational efficiency.
• Assists in maintaining compliance with applicable quality system requirements, Good Manufacturing Practices (GMP), and ISO standards.
• Participates in departmental planning activities and supports company objectives consistent with MicroAire's mission, vision, and values.
• Maintains a clean, organized, and safe work area through routine housekeeping and preventative maintenance activities.
• Follows all safety policies, procedures, and required personal protective equipment (PPE) practices.
• Performs other duties as assigned.

+ Education and Experience

• High school diploma or equivalent required.
• Pursuing technical training such as machining certification, vocational education, Associate degree in Manufacturing Technology, Machining, Engineering Technology, or a related field preferred.

Experience

• 0-3 years of CNC machining, metal finishing, manufacturing, or related production experience required.
• Experience with Lean Manufacturing, 5S, or continuous improvement methodologies is a plus.

+ Competencies

Competency

Skills

Behaviors

Quality & Precision Manufacturing -

Demonstrates a commitment to producing high-quality products by following established procedures, accurately inspecting work, and ensuring components consistently meet specifications and workmanship standards.

• Precision measurement
• Quality inspections
• Documentation accuracy
• Process compliance
• Drawing interpretation
• Attention to detail

• Verifies products meet specifications before moving to the next operation.
• Identifies defects and out-of-tolerance conditions early.
• Maintains accurate inspection and production records.
• Takes ownership for producing high-quality work.
• Consistently follows established procedures and standards.

Technical Equipment Operation -

Applies technical knowledge and manufacturing skills to safely and efficiently operate CNC equipment, tools, and finishing equipment.

• CNC machine operation
• Machine setup
• Blueprint interpretation
• Tooling knowledge
• Mechanical aptitude
• Manufacturing processes

• Operates equipment safely and efficiently.
• Understands machining and finishing processes.
• Uses measuring tools appropriately and accurately.
• Follows established operating procedures.
• Demonstrates strong mechanical aptitude and technical curiosity.

Safety & Compliance-
Promotes a safe working environment through consistent adherence to safety procedures, quality standards, and regulatory requirements.

• Hazard Recognition
• Safe Machine Operation
• PPE Compliance
• Risk Prevention
• Chemical Handling
• Housekeeping
• Regulatory Awareness

• Maintains a clean and organized work area.
• Follows safety procedures without exception.
• Identifies and reports unsafe conditions promptly.
• Protects employees, equipment, and products through responsible work practices.
• Demonstrates personal accountability for safety

Problem Solving & Troubleshooting-
Uses observation and analytical thinking to identify production issues, equipment concerns, and quality problems while supporting timely resolution.

• Problem identification
• Equipment monitoring
• Root cause investigation
• Decision making
• Issue escalation
• Observation skills

• Detects abnormalities before they become larger issues.
• Investigates causes of defects and production interruptions.
• Uses available information to support corrective actions.
• Escalates concerns appropriately.
• Supports efforts to reduce waste, scrap, and downtime

Initiative & Teamwork-
Takes ownership of assigned responsibilities while working collaboratively with team members to achieve operational, quality, and customer objectives.

• Accountability
• Communication
• Time management
• Teamwork
• Reliability
• Continuous improvement

• Consistently meets attendance and productivity expectations.
• Supports coworkers and shared departmental goals.
• Takes prompt action when issues arise.
• Demonstrates flexibility and willingness to learn new skills.
• Contributes ideas for process improvement and operational excellence.

+ Work Environment, Physical Demands and Protective Equipment

• Works primarily in a manufacturing machine shop environment, including CNC machining and polishing/finishing areas.
• Regular exposure to moving mechanical equipment, machine tools, sharp components, cutting fluids, and manufacturing equipment.
• Must be able to stand, walk, bend, stretch, squat, and reach throughout the workday.
• Must be able to traverse manufacturing facilities and access storage locations, machines, and workstations.
• Must be able to lift and carry up to 20 pounds on a regular basis.
• Required to wear designated PPE, including approved eye protection and other equipment as required by work area.
• May be required to participate in the Hearing Conservation Program and associated testing.
• Must wear closed-toe footwear and comply with all manufacturing area safety requirements.
• Hepatitis B vaccination offered; documentation of vaccination or signed declination required.
• All required training is documented and maintained through the MicroAire Training Management System and must be completed as required.

+ Schedule, Travel Responsibility, Special Conditions or Requirements

• Full-time, non-exempt position.
• Standard production schedule aligned with business needs.
  • Typical schedule: 6:00 AM – 4:30 PM, Monday through Thursday.
• Occasional overtime may be required to support customer demand, production schedules, inventory requirements, or business needs.
• Must maintain compliance with all company quality, safety, environmental, and regulatory requirements.
• Must successfully complete and maintain all required training and certifications.
• Must maintain reliable attendance and adherence to established work schedules.
• Expected to actively support continuous improvement efforts, 5S initiatives, manufacturing excellence programs, and process changes designed to improve safety, quality, delivery, and productivity.

Pay Range: $18-25/hr

Following receipt of a conditional offer of employment, candidates will be required to complete additional job-related screening processes as permitted or required by applicable law.

We are an equal opportunity employer, and all applicants will be considered for employment without attention to their membership in any protected class. If you require any reasonable accommodation to complete your application or any part of the recruiting process, please email your request to careers@marmon.com, and please be sure to include the title and the location of the position for which you are applying.