Apprentice Machine Operator Jobs in Placentia, CA

Job Title: CNC Machinist

Job Description

This role focuses on operating and setting up 3, 4, and 5-axis CNC mills to produce precision components for specialized manufacturing projects. You will work from detailed blueprints and mechanical assemblies, perform accurate inspections, and complete a variety of finishing and preparation tasks to ensure high-quality parts.

Responsibilities

• Operate and set up 3, 4, and 5-axis CNC mills to produce precision parts according to specifications.
• Perform complete machine setups, including changing tools, setting offsets, and making necessary adjustments to maintain part quality and efficiency.
• Read and interpret blueprints, drawings, and mechanical assemblies to determine machining requirements and sequence of operations.
• Inspect machined parts against prints and process requirements using a variety of inspection equipment to verify dimensions and quality.
• Carry out deburring, grinding, tapping, finish hand work, cutting stock, and other preparation and finishing tasks as part of the machining process.
• Maintain organized work areas, properly handle materials, and follow established manufacturing procedures and standards.
• Use proficient math skills to calculate dimensions, tolerances, and adjustments for machining operations.
• Demonstrate reliability and self-motivation by consistently meeting production expectations and maintaining regular, dependable attendance.
• Coordinate transportation to ensure punctual arrival and adherence to scheduled work hours.
• Collaborate with team members and support continuous improvement of machining processes and workflow.

Essential Skills

• Experience operating and setting up CNC mills, including 3, 4, and 5-axis machines.
• Strong ability to perform CNC machine setup, including tool changes, offset adjustments, and in-process corrections.
• Proficiency in reading and interpreting blueprints and understanding mechanical assemblies.
• Ability to inspect parts to print and meet various process requirements using inspection tools and equipment.
• Reliable, self-motivated work ethic with consistent, dependable attendance.
• Proficient math skills for measurements, calculations, and machining adjustments.
• Strong organizational skills to manage tools, materials, and documentation effectively.
• Hands-on skills in deburring, grinding, tapping, finish hand work, cutting stock, and related prep and finish operations.
• Technical school or apprenticeship program completion, or 3 years of related CNC machining experience and/or training, or an equivalent combination of education and experience.

Additional Skills & Qualifications

• Experience with CNC lathe operation is a plus.
• Experience in fabrication and working with manufactured components.
• Exposure to manufacturing environments and production workflows.
• Familiarity with conduit work, pulling wire, and PLC control is beneficial but not required.

Why Work Here?

You will contribute to unique, high-impact projects in the special effects and attractions industry, supporting the creation of immersive experiences for major entertainment destinations. The work offers variety, technical challenge, and the opportunity to develop and refine advanced machining skills in a creative, project-driven environment.

Work Environment

This position is based in a manufacturing environment focused on producing precision components for special effects and attraction builds. You will work around CNC mills and related fabrication equipment, using standard inspection tools and hand tools for finishing and prep work. The setting is hands-on and shop-based, with typical manufacturing noise levels and activity, and requires appropriate work attire suitable for a production floor.

This is a Contract position based out of Monrovia, CA.

The pay range for this position is $28.00 - $35.00/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)

This is a fully onsite position in Monrovia,CA.

This position is anticipated to close on Aug 11, 2026.

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.

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 meet 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 in solving 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.