Temporary Mastercam Programmer Jobs (NOW HIRING)

Job Title: CNC Mill Programmer

Job Description

This role focuses on programming and supporting CNC mills in a manufacturing environment, using Mastercam and Haas controls to produce high‑quality machined parts. You interpret blueprints, create efficient programs, and collaborate closely with machining and setup personnel to ensure accurate, repeatable production.

Responsibilities

• Program CNC mills using Mastercam to produce precision components according to engineering drawings and blueprints.
• Develop, edit, and optimize CNC programs to improve cycle times, tool life, and overall machining efficiency.
• Work with Haas CNC mills, configuring machine parameters and verifying that programs run safely and correctly.
• Interpret blueprints and technical drawings to determine machining strategies, tooling requirements, and setup instructions.
• Collaborate with machinists and CNC setup personnel to ensure smooth handoff of programs and proper machine setup.
• Support CNC machining and lathe operations by providing accurate programs and troubleshooting issues as they arise.
• Perform test runs, verify part dimensions, and adjust programs to meet quality and tolerance requirements.
• Maintain organized program files and documentation to support repeat production and continuous improvement.
• Contribute to a clean and orderly shop environment by following established processes and safety practices.

Essential Skills

• Proven experience programming CNC mills, including hands‑on work with machining and CNC setup.
• Mastercam programming experience, with familiarity in the specified Mastercam version preferred.
• Practical experience working with Haas CNC mills and their control systems.
• Ability to read and interpret blueprints and technical drawings for machining operations.
• Strong understanding of CNC machining processes, tooling, feeds, and speeds.
• Experience supporting both mill and lathe operations in a manufacturing setting.
• Attention to detail and ability to verify part dimensions and make precise program adjustments.

Additional Skills & Qualifications

• Experience with the specified Mastercam version is preferred and considered a strong asset.
• Bilingual Spanish language skills are preferred but not required.
• Ability to collaborate effectively with shop personnel and communicate clearly about machining requirements.

Why Work Here?

You join a clean, well‑organized, first‑shift shop that values family‑oriented culture and long‑term relationships. The business is family owned, offering a close‑knit environment where your work directly supports recognizable, large customers and contributes to the company’s ongoing growth and stability.

Work Environment

This position is based in a manufacturing shop environment that is clean, organized, and focused on efficient production. Work is performed on first shift, operating CNC mills—particularly Haas machines—supported by Mastercam programming. You collaborate with machinists and setup personnel on the shop floor, using standard machining tools and equipment in a structured, process‑driven setting.

This is a Contract position based out of El Monte, CA.

The pay range for this position is $40.00 - $47.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

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 El Monte,CA.

This position is anticipated to close on Sep 16, 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.