Sr. Machinist

The Senior CNC Lathe Machinist sets up, operates, and troubleshoots CNC turning machines to produce high-precision components within tight tolerances. This role serves as the go-to machinist for complex CNC setups and problem solving, including G and M code program edits, offset adjustments, and optimization of speeds and feeds. The machinist works from detailed process documentation and blueprints, ensures high quality standards, supports other machinists with full setups, and contributes to a clean, efficient, and organized aerospace-focused manufacturing environment.

Responsibilities

• Set up and operate CNC turning machines, including models such as Samsung, Doosan, and Mazak, to produce precision parts within tight tolerances.
• Serve as the primary machinist for CNC setup and troubleshooting, providing technical support and guidance on complex machining issues.
• Edit G and M code programs directly at the machine to improve part quality, optimize cycle times, and resolve machining issues.
• Perform machine offset adjustments to maintain dimensional accuracy and ensure parts meet engineering specifications.
• Perform multiple setups and run multiple CNC machines during a shift to support production demands.
• Modify machine speeds and feeds as needed to optimize tool life, surface finish, and overall machining performance.
• Assist other machinists with full machine setups using setup sheets, setup cards, and other documented procedures.
• Work from process sheets, blueprints, setup sheets, setup cards, machine status boards, and both verbal and written instructions to complete assigned work.
• Machine, install, or re-cut components as required to meet design and quality requirements.
• Insert and secure tooling in machine turrets and perform complete machine setups, including tool selection and tool length/radius offsets.
• Download and upload CNC programs to and from machines and make minor programming adjustments as needed.
• Operate various types of computerized numerical control equipment to manufacture finished products using a wide range of machining operations.
• Inspect own work using appropriate measuring tools to verify dimensions and ensure adherence to quality and quantity standards.
• Inspect the work of other machinists when required to support quality assurance and continuous improvement.
• Enter production and quality data accurately into the ERP system to maintain up-to-date records.
• Rotate between different machines and departments as needed, including potential operation of CNC mills, grinders, and other equipment.
• Maintain a clean, organized, and safe work area in accordance with shop standards and procedures.

• At least 6 years of CNC lathe machining experience in a production or job shop environment.
• Proven experience machining on CNC lathes such as Samsung and Doosan, or similar turning centers.
• Strong ability to read, interpret, and make edits to G and M code programs directly at the machine.
• Demonstrated ability to perform full setup of CNC machinery, including tooling, offsets, and program loading.
• Proficiency in performing machine offset adjustments to maintain dimensional accuracy.
• Ability to adjust machine speeds and feeds to optimize machining performance and part quality.
• Ability to read and interpret blueprints and process documentation with a high level of accuracy.
• Hands-on experience with CNC setup, CNC troubleshooting, and CNC program editing.
• Experience troubleshooting CNC machines, including Mazak equipment or similar platforms.
• High school diploma or GED.

• Experience working within tight tolerance machining environments, ideally for aerospace or similarly demanding industries.
• Comfort working from setup sheets, setup cards, and machine status boards in a structured production environment.
• Familiarity with entering production and quality information into an ERP system.
• Ability to assist and mentor other machinists with setup and troubleshooting tasks.
• Strong attention to detail and commitment to maintaining high quality standards.
• Ability to operate or support additional processes such as milling, grinding, deburring, and other machining operations is a plus.

Employees benefit from a supportive and stable manufacturing environment that offers a strong total rewards package and opportunities for growth. The company provides paid time off starting at two weeks, paid holidays, and a comprehensive benefits program that includes medical, dental, and vision coverage. A company-sponsored 401(k) program supports long-term financial planning, while additional overtime opportunities allow individuals to increase their earnings when desired. The organization operates within aerospace and other demanding industrial markets, giving employees the chance to work on technically challenging, high-precision projects in a setting that values quality, reliability, and continuous improvement.

Work Environment

The role is based in a smaller, spacious machine shop with approximately 45 employees on the shop floor. The facility is organized, well lit, clean, and recently upgraded with air conditioning to enhance comfort. The shop runs a 2nd shift with a 2:00 p.m. start time on a four-day workweek from Monday through Thursday. The environment includes a wide range of equipment such as CNC mills, CNC lathes, grinders, a full manual machining department, a small quality department, and a deburring department. In-house capabilities include heat treating, gear cutting, gear grinding, turning, milling, drilling, broaching, key seating, OD/ID grinding, and balancing, supporting the production of high-quality, custom precision gearing and gearboxes for aerospace, mining, oilfield, wind, transit, and other industrial markets. The work setting emphasizes precision, technical expertise, and adherence to ISO-certified processes in a professional shop-floor environment.

Job Type & Location

This is a Permanent position based out of Twinsburg, OH.

The pay range for this position is $64480.00 - $74880.00/yr.

Paid Time Off - 2 weeks to start Company 401k Program Medical, Dental, Vision Additional overtime available Paid holidays Aerospace Manufacturing

This is a fully onsite position in Twinsburg,OH.

This position is anticipated to close on Jun 12, 2026.

About Aerotek

We know that finding work is hard, and finding meaningful work is harder. Aerotek connects 180,000+ light industrial and skilled trades workers with 14,000+ employers each year, helping our workers navigate an evolving labor market and find jobs that meets their goals, skills and interests. Since 1983, we have provided a variety of career opportunities across North American industry – from short-term assignments at Fortune 500 companies where you can build your skills, to long-term opportunities where you can play a vital role solving for companies’ construction, manufacturing and maintenance challenges. Our 1,500+ experienced recruiters across 250+ offices work relentlessly to put our workforce in a position to thrive. Let us rise to meet your challenges and put our people-are everything spirit to the test as your career continues to grow.

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.