CNC Machinist

Job Title: CNC Lathe Machinist

Job Description

This role focuses on operating and setting up CNC lathes within a clean, climate-controlled machine shop that utilizes a wide range of advanced equipment. You will perform complete setups, tool changes, and minor program edits to produce high-quality parts to tight tolerances, while ensuring consistent productivity on multiple CNC machines throughout the facility.

Responsibilities

• Perform complete setups on CNC lathes, including preparing fixtures, tools, and workpieces according to job specifications.

• Operate and run CNC machinery safely and efficiently to meet production schedules and quality standards.

• Perform all tool changeovers and adjustments to maintain optimal cutting conditions and part quality.

• Make minor edits and adjustments to CNC programs, including G-code changes, to correct issues and optimize performance.

• Run parts and measure features to close and exact tolerances using appropriate measuring tools.

• Make precise quality measurements, check dimensions, and analyze data to verify that parts meet specifications.

• Adjust offsets, tooling, and process parameters based on measurement results to maintain dimensional accuracy.

• Monitor CNC machines during operation to ensure consistent productivity and promptly address issues such as tool wear or dimensional drift.

• Collaborate with other machinists and team members to support smooth workflow and continuous improvement within the machine shop.

• Maintain a clean, organized, and safe work area in line with shop standards and procedures.

Additional Skills & Qualifications

• Experience working with Citizen M32 Y Axis Swiss Type Lathes and various Mori Seiki CNC lathes (SL2500Y, ZT2500Y, NLX2500Y).

• Familiarity with Okuma LU400M CNC lathes and other CNC turning equipment.

• Experience with horizontal machining centers such as Kitamura Mycenter-HX500I and Mori Seiki SH-400 with full 4th axis capability.

• Background using manual lathes including Clausing, Ganesh, Lagun, South Bend, and Weisser turret lathes.

• Experience with vertical knee mills such as Bridgeport Series 1 and Lagun vertical knee mills.

• Exposure to vertical machining centers including multiple Kitamura Mycenter models, Makino FNC40, Milltronics RH20, and Mori Seiki SV-500.

• Familiarity with support equipment such as sand blasting units, grinders, honing machines, laser engraving machines, drill presses, hydraulic presses, band saws, and MIG welding machines.

• Ability to adapt to working on different machines and processes within a highly equipped machine shop.

Why Work Here?

You join a highly organized and modern machine shop that offers a clean, climate-controlled, and air-conditioned environment, supporting both comfort and productivity. While working on contract, you can earn and use paid time off that carries over upon conversion to a permanent role, and you receive paid holidays during the contract period. You become part of a collaborative team of experienced machinists, gain exposure to a wide range of advanced CNC and manual equipment, and benefit from steady work schedules with opportunities for overtime.

Work Environment

The machine shop is climate controlled, very clean, quiet, extremely organized, and air conditioned, providing a comfortable and professional setting. You will work on either first or second shift, with first shift running Monday through Friday from 7:00 a.m. to 3:30 p.m., and second shift running Monday through Thursday from 3:30 p.m. to 1:45 a.m. There are typically 4–5 hours of overtime available each week. This opening focuses on a Mori Seiki twin spindle, two turret lathe, and you will work as part of a team of approximately 15–17 machinists on first shift. The shop includes extensive CNC turning capability (Citizen M32 Y Axis Swiss Type Lathe; multiple Mori Seiki CNC lathes including SL2500Y, ZT2500Y, NLX2500Y; Okuma LU400M), horizontal machining centers (Kitamura Mycenter-HX500I with full 4th axis, Mori Seiki SH-400 with full 4th axis), manual lathes, vertical knee mills (Bridgeport Series 1, and vertical machining centers (several Kitamura My center models with full 4th axis, Makino FNC40, Milltronics RH20, Mori Seiki SV-500 with pallet shuttle). Additional support equipment includes sand blasting, various grinders, honing machines, laser engraving machines, drill presses, hydraulic presses, band saws, and MIG weld machines, enabling a broad range of machining and finishing operations

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 $25.00 - $40.00/hr.

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 Jul 8, 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.