CNC Operator

CNC Operator - 1st or 2nd Shift - Otay Mesa
Job Description
The CNC Operator sets up and operates 3-axis CNC mills to produce precision parts and gaskets used in composite sealing systems, primarily for aerospace applications. You begin in the deburr area to learn blending and finishing techniques, then transition to CNC machines aligned with your prior experience. You work with a variety of metals, perform basic quality inspections, interpret blueprints, and may support additional operations such as assembly and rubber molding. This role offers exposure to multiple machines and processes in a clean, safety-focused manufacturing environment.
Shifts Available
2nd Shift - 2:30 PM - 11 PM
Essential Skills

• At least 6 months of CNC operating experience, specifically with Haas, Mori Seiki, or Fadal machines.
• Proven ability to set up and operate CNC 3-axis mills.
• Experience with Haas, Mori, or Fadal machines
• Ability to read and interpret blueprints accurately.
• Experience deburring and blending metal parts.
• Proficiency using measurement tools.
• Comfort working with metals including aluminum, copper, brass, carbon steel, and chromalloy.
• Basic understanding of CNC operations, including loading parts, initiating programs, and monitoring machining.
• Attention to detail in inspecting and measuring parts for correct dimensions and defects.

Responsibilities

• Start in the deburr area for approximately three weeks to learn and demonstrate proper deburring and blending of metals.
• Set up and operate CNC 3-axis mills, including Mori Seiki and Fadal machines.
• Load parts into CNC mill machines, select and initiate the appropriate program or controls, and monitor machining operations.
• Mill and drill parts to specification, including milling out gaskets and grooves for rubber seals.
• Work with aluminum, copper, brass, carbon steel, and chromalloy materials.
• Inspect parts using measurement tools to ensure quality.
• Read blueprints and follow work instructions.
• Identify defects, tool wear, or machining issues.
• Help with deburring, tumbling, assembly, and other shop tasks when machines are running.
• Operate rubber molding equipment when assigned.
• Maintain productivity, safety, and cleanliness in the shop.
• Work independently and as part of a team.

Additional Skills & Qualifications

• Familiarity with G and M codes for CNC programming and operation.
• Experience in grinding, finishing, and deburring metal components.
• Experience using timesaver or similar finishing equipment.
• Ability to operate rubber molding machines, including handling molds and metal frames.
• Comfort working in a production environment with paperless setup sheets and digital work instructions.
• Team-oriented mindset with willingness to support deburr, tumbler, assembly, and other machine shop areas as needed.

Why Work Here?
You join a friendly, family-oriented culture that values collaboration and a positive work atmosphere. The environment is clean, safe, and well-organized, with clear processes and modern, paperless systems that support your work. While immediate advancement in the machine shop may be limited, you benefit from yearly performance reviews where your contributions are recognized and you can become eligible for raises based on both personal and company performance.
Work Environment
This role is based in a large, open manufacturing setting that produces composite seals primarily for aerospace applications. The facility includes a machine shop, molding, bonding with machine presses, and warehouse areas. You work on 2nd shift from 2:30 p.m. to 11:00 p.m., with overtime available when needed. The shop uses CNC 3-axis mills such as Mori Seiki and Fadal, rubber molding machines, and a range of precision measurement tools including micrometers, calipers, drop gages, and depth mics. The workplace is described as very safe and clean, with a strong emphasis on organization and teamwork across shifts that include dozens of colleagues in machining, molding, bonding, and warehouse operations.
Job Type & Location
This is a Contract position based out of San Diego, CA.
Pay and Benefits
The pay range for this position is $20.00 - $28.00/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)
Workplace Type
This is a fully onsite position in San Diego,CA.
Application Deadline
This position is anticipated to close on Oct 2, 2026.

About Aerotek

Aerotek\u00AE 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.