CNC Machinist II

Job Description
The role involves creating molds and production parts for the composites department. You will operate machines to set up and mass-produce a volume of parts, facilitating the completion of composite molds.
Responsibilities

• Set up CNC Lathes and Mills, as well as manual Lathe and Mills machines.
• Make small edits to CNC programs directly at the machine without using CIMCO or any CAD/CAM application.
• Proof CNC programs at the machine for errors.
• Adjust tools using cutter comps.
• Apply knowledge of feeds and speeds for endmills and drills across various materials, including tool steels, aluminum, and composites.
• Measure parts using precision measurement hand tools.
• Read and interpret blueprints, sketches, and engineering specifications.
• Make decisions on when to change cutting tools and define tool life limits.
• Utilize appropriate PPE gear while working in the shop.
• Familiarize with the G and M codes used in CNC machines.
• Use tool setters to set height and minimize runout.

Essential Skills

• 3-5+ years of experience running 3, 4, and 5 axis mills.
• Direct experience machining high-speed aluminum, mold tooling metals, forgings, and castings.
• Previous experience working with titanium, stainless steel, and aluminum.
• Proficiency in reading blueprints and applying GD&T principles.
• Knowledge of calipers and CAD/CAM applications.

Additional Skills & Qualifications

• Experience with light numerical control edits on 3, 4, and 5 axis mills and CNC lathes.
• Familiarity with B and/or C axis rotary tables and/or indexing part fixture CNC machining.
• Demonstrated knowledge of mathematics and basic machining skills.

Why Work Here?
Employees benefit from a 9x80 schedule, excellent matching benefits for 401k with a 6% match, potential yearly bonuses based on site performance, and comprehensive medical plans including HMO, PPO, or Kaiser-based options. Enjoy a week of sick time upfront, accrue PTO, and work in a tight-knit team focused on collaboration and variety in tasks.
Work Environment
The role follows a 9x80 schedule, with future work anticipated to be on the 1st shift starting at 5am and ending at 2:30pm, with Fridays ending at 1:30pm. There may be occasional work on Saturdays. The position is based in an ITAR facility manufacturing composite parts for aerospace companies.
Job Type & Location
This is a Permanent position based out of San Diego, CA.
Pay and Benefits
The pay range for this position is $72800.00 - $83200.00/yr.
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.
Medical Coverageo Open Access HSA, HRA & PPOo Stop Health - Virtual Care Dental Coverage Vision Coverage Basic Life & Voluntary Term Life Insurance withAD&D Optional spouse and child life insurance Disability Insurance, LTD & STDFinancial & Voluntary Plans Health Savings Account (HSA) Flexible Spending Accounts (FSA) Health Reimbursement Account (HRA) Critical Illness Insurance Hospital Indemnity Insurance Accident Insurance Fidelity 401kWellness & Other Programs Annual Wellness Incentive Employee Assistance Program (EAP) Pet Wellness Acrisure Passport Discount Program Legal Protection Identify Theft Protection Lifemart and Passport Discount Programs
Workplace Type
This is a fully onsite position in San Diego,CA.
Application Deadline
This position is anticipated to close on Oct 9, 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.