Cnc Machinist

Job Title: CNC Machinist - Horizontal 5-6 Axis Lathes Job Description

This role focuses on setting up and operating complex CNC horizontal lathes with 5-6 axis capabilities to produce high-precision components. You interpret detailed blueprints, select appropriate tooling, edit and optimize G-code programs, and perform precise measurements to ensure parts meet tight tolerances. You work from job instructions, optimize feeds and speeds, and ensure that finished parts are deburred, inspected, and ready for downstream operations in a clean, modern machine shop environment.

Responsibilities

• Set up and operate CNC horizontal lathes with 5-6 axis capabilities to produce precision components according to engineering specifications.

• Interpret and follow detailed blueprints, customer specifications, and job instructions to plan machining operations.

• Select and install appropriate tooling, workholding, and fixtures, and verify correct machine set up before production runs.

• Edit, adjust, and optimize G-code programs at the machine to improve quality, efficiency, and cycle times while maintaining part integrity.

• Adjust feeds, speeds, and offsets during production to maintain tight tolerances and consistent part quality.

• Perform in-process and final inspections using calipers, micrometers, and other precision measuring instruments to verify dimensions and tolerances.

• Apply GD&T principles when reading and interpreting prints to ensure all geometric requirements are met.

• Deburr and finish machined components to meet quality standards and customer requirements.

• Use machine operation software and CNC control interfaces to load programs, set work coordinates, and monitor machine performance.

• Troubleshoot machining issues, identify root causes, and implement corrective actions to minimize scrap and rework.

• Maintain accurate documentation and basic computer entries related to jobs, setups, and inspection results as required.

• Follow all safety requirements and standard operating procedures to ensure a safe working environment.

• Keep the work area clean, organized, and free of debris, and perform basic preventive maintenance on machines as needed.

• Collaborate with teammates, engineering, and leadership to resolve production issues and support continuous improvement initiatives.

• Meet production schedules by managing time effectively, communicating issues promptly, and supporting shift handoffs when necessary.

Essential Skills

• At least 5 years of experience as a machinist, with hands-on CNC machining experience.

• Proficiency in setting up and operating CNC lathes, including horizontal lathes with 5-6 axis capabilities.

• Strong blueprint reading skills, including the ability to interpret detailed drawings and customer specifications.

• Working knowledge of GD&T and its application to precision machining.

• Ability to edit and adjust G-code programs at the machine to refine machining operations.

• Demonstrated ability to perform complete CNC set ups, including tooling selection and workholding.

• High school diploma or equivalent, plus advanced technical or vocational training in machining or a related field.

• Ability to use precision measuring tools such as calipers, micrometers, and related inspection equipment.

• Mastery of basic math, including addition, subtraction, multiplication, division, and fractions.

• Basic computer skills for accessing job instructions, documenting work, and interfacing with shop systems.

• Excellent attention to detail and commitment to producing high-quality parts.

• Strong problem-solving abilities to diagnose and resolve machining and quality issues.

• Effective teamwork and communication skills to collaborate with co-workers and support a positive team environment.

• Understanding of and adherence to ITAR-related compliance requirements.

• Ability to understand and obey all safety requirements and shop policies.

• Capability to lift and/or move up to 50 pounds as needed.

• Ability to stand for long periods and perform repetitive hand and arm motions, including reaching, handling, and feeling.

• Adequate vision for close and distance work, depth perception, and the ability to adjust focus for detailed inspection tasks.

Additional Skills & Qualifications

• Experience with multi-axis CNC machining centers and complex part geometries.

• Familiarity with machine operation software and CNC control interfaces for loading, editing, and managing programs.

• Experience optimizing feeds, speeds, and tooling to improve efficiency and extend tool life.

• Comfort working with customer-specific requirements and industry standards in a regulated environment.

• Demonstrated reliability, punctuality, and strong work ethic in a production setting.

• Interest in professional development and further education related to machining, engineering, or leadership.

Why Work Here?

You join a very clean, stable, and well-organized machine shop that invests in both its equipment and its people. The organization offers comprehensive medical, dental, and vision benefits, along with generous paid time off that includes 60 hours in the first year and 100 hours from years two through five, plus 11 paid holidays. You have clear opportunities for upward mobility into engineering and leadership roles, supported by up to $5,000 per year in education reimbursement to help you grow your skills and advance your career. The environment emphasizes long-term stability, professional development, and a strong focus on safety and quality.

Work Environment

You work in a very large, clean, and well-maintained machine shop environment that emphasizes organization, safety, and precision. The facility houses advanced CNC horizontal lathes with 5-6 axis capabilities and other modern machining equipment, supported by machine operation software and inspection tools such as calipers and micrometers. The role requires standing for extended periods, frequent use of hands and arms for operating machines and handling parts, and the ability to lift and move up to 50 pounds. Vision demands include close and distance work, depth perception, and the ability to adjust focus for detailed inspection tasks. Shifts are structured on a Monday through Friday schedule, with a first shift from 6:30 a.m. to 3:00 p.m. and a second shift from 2:30 p.m. to 11:00 p.m., providing predictable hours in a stable production environment.

Job Type & Location

This is a Permanent position based out of Walnut, CA.

Pay and Benefits

The pay range for this position is $49920.00 - $104000.00/yr.

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 Walnut,CA.

Application Deadline

This position is anticipated to close on Jul 31, 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.