CNC Machinist 1st Shift and 2nd Shift

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.
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.
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.
Maintain accurate documentation and basic computer entries related to jobs, setups, and inspection results as required.
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.
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.
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.
Ability to understand and obey all safety requirements and shop policies.
Adequate vision for close and distance work, depth perception, and the ability to adjust focus for detailed inspection tasks.
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.
Comfort working with customer-specific requirements and industry standards in a regulated environment.
Demonstrated reliability, punctuality, and strong work ethic in a production setting.
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.
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.
This is a Permanent position based out of Walnut, CA.
If eligible, the benefitsavailable 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)
Application Deadline
Aerotek® Inc. provides staffing and services solutions in manufacturing, logistics, construction, aviation, facilities and maintenance. Aerotek operates a unified network of over 200 offices across North America, supporting more than 18,000 clients each year. 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.
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.