Cnc Machine Operator

Job Title: CNC Machinist Job Description

As a CNC Machinist, you will set up, operate, and maintain CNC mills and lathes to produce precision components in a production environment, performing minor program adjustments, ensuring consistent quality, and supporting a collaborative manufacturing team.

Responsibilities

• Set up CNC machines to produce parts in accordance with production drawings, dimensions, and tolerances.

• Operate CNC mills and/or lathes to manufacture a variety of components and parts in a production facility.

• Perform minor programming modifications on CNC machines when needed to meet part specifications and optimize performance.

• Conduct in‑process inspections throughout production to verify product quality and adherence to specifications.

• Read and interpret blueprints and production drawings to determine machining requirements, dimensions, and tolerances.

• Observe machines during operation to ensure optimal performance, detect irregularities, and maintain production schedules.

• Diagnose and resolve issues that arise during machine operation, including troubleshooting mechanical or process problems.

• Perform routine and preventative maintenance tasks to maintain equipment reliability and minimize downtime.

• Clean and maintain machines before and after each shift to ensure safe and efficient operation.

• Use precision measuring tools to verify part dimensions and ensure compliance with GD&T and quality standards.

• Collaborate with team members to coordinate production activities and support continuous improvement in processes and quality.

• Follow established safety procedures and shop practices while operating machinery and handling tools and equipment.

Essential Skills

• Ability to read production drawings and determine dimensions and tolerances.

• Proficiency in blueprint reading for machined components.

• Experience operating CNC equipment in a production facility, specifically CNC mills and/or lathes.

• Ability to perform machine setups for production runs.

• Skill in conducting in‑process inspections to ensure product quality.

• Knowledge and application of GD&T (Geometric Dimensioning and Tolerancing).

• Proficiency in basic math and use of a calculator for machining and inspection tasks.

• Knowledge of cutting tools such as drills, end mills, inserts for lathes, and taps.

• Knowledge of precision measuring tools including calipers, micrometers, height gages, and small hole gages.

• Ability to observe machine performance and identify operational issues.

• Capability to perform routine and preventative maintenance on CNC equipment.

• Ability to diagnose and troubleshoot issues that arise during machine operation.

• Technical degree in a relevant specialty or 2–4 years of experience in the field or in a related area.

• Ability to read, write, speak, and understand English to follow instructions, documentation, and safety guidelines.

Additional Skills & Qualifications

• Experience working in a machine shop or manufacturing environment.

• Familiarity with both milling and turning operations on CNC equipment.

• Comfort making minor CNC program modifications to improve quality or efficiency.

• Strong mechanical aptitude and interest in machine operation and maintenance.

• Attention to detail and commitment to maintaining high quality standards.

• Ability to work effectively as part of a team in a production setting.

• Willingness to participate in ongoing training and skill development.

Why Work Here?

You will join an organization with a strong heritage and long‑standing leadership in its industry, where stability and expertise support your long‑term career growth. The culture emphasizes people first, fostering a collaborative and supportive environment where your contributions are recognized and valued. You will benefit from continuous training, skill development, and clear opportunities for advancement from within, allowing you to build a meaningful and progressive career. Your work will have real impact on products and operations used by customers worldwide, giving you a sense of purpose and pride in the quality you help deliver.

Work Environment

This role is based in a machine shop environment, working around CNC mills, lathes, and related machining equipment. You will regularly handle cutting tools, precision measuring instruments, and production fixtures while operating and maintaining machinery. The setting involves typical shop conditions, including machine noise, moving mechanical parts, and the need to follow established safety procedures at all times. Work typically follows production schedules, requiring focus, attention to detail, and adherence to standard operating procedures throughout each shift. Appropriate shop attire and personal protective equipment are required to ensure safety and comfort while performing daily tasks.

Job Type & Location

This is a Contract to Hire position based out of Saint Louis, MO.

Pay and Benefits

The pay range for this position is $20.00 - $25.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:

• Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a fully onsite position in Saint Louis,MO.

Application Deadline

This position is anticipated to close on Sep 1, 2026.

About Aerotek

Aerotek® Inc. provides staffing and services solutions in manufacturing, logistics, construction, aviation, facilities and maintenance. We provide the expertise, solutions and people required to rise to the challenges of North American industry. Headquartered in Hanover, Md., Aerotek operates a unified network of over 200 offices across North America, supporting more than 18,000 clients each year. Aerotek is an Allegis Group company, the global leader in workforce and business solutions. To learn more, visit: Aerotek.com | 1-888-AEROTEK.

Aerotek offers weekly pay, employee benefits including medical, dental & vision, life insurance, health advocacy and employee assistance programs, a 401(k) plan, and employee discounts.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance:

Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector:

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI):

We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.