CNC Machinist III

Job Description

Job Description

CNC Machinist III / Senior CNC Machinist

Location: South Seattle

Shift: 1st shift (6:30AM start time)

Pay Rate: $33.00 - $40.00 per hour (DOE)

Position Overview

Seeking a highly skilled Senior CNC Machinist to join our manufacturing and engineering support team. This role is ideal for an experienced machinist with strong setup capabilities, advanced milling expertise, and the ability to support research and development projects. The successful candidate will be responsible for programming adjustments, machine setup, prototype development, precision machining, and continuous process improvement in a fast-paced environment.

Key Responsibilities

• Perform complete setups and operation of CNC milling machines, including 3-axis, 4-axis, and 5-axis equipment.
• Interpret engineering drawings, blueprints, GD&T, and CAD models to manufacture precision components.
• Support Research & Development (R&D) initiatives by machining prototype parts and collaborating with engineers during product development.
• Select tooling, establish work offsets, and optimize machining parameters for efficiency and quality.
• Troubleshoot machining issues and make program adjustments as needed to maintain production requirements.
• Conduct first-piece, in-process, and final inspections using precision measuring equipment.
• Maintain tight tolerances and high-quality standards while meeting production deadlines.
• Recommend process improvements to increase quality, throughput, and machine utilization.
• Perform preventive maintenance and ensure proper machine care and housekeeping.
• Follow all safety, quality, and regulatory requirements.

Required Qualifications

• 5+ years of CNC machining experience in a manufacturing, aerospace, defense, or advanced manufacturing environment.
• Advanced CNC setup experience with minimal supervision.
• Strong experience operating and setting up CNC milling machines.
• Ability to read and interpret complex blueprints, engineering drawings, and GD&T.
• Proficiency with precision measuring instruments including micrometers, calipers, bore gauges, and indicators.
• Experience troubleshooting machining processes and optimizing cutting conditions.
• Strong understanding of machining metals including aluminum, stainless steel, tool steel, and exotic alloys.
• Ability to work independently while supporting engineering and production teams.
• High attention to detail and commitment to safety and quality.

Preferred Qualifications

• Experience with 4-axis and 5-axis CNC milling.
• CAM software experience (Mastercam, Fusion 360, NX, or similar).
• Prototype and low-volume production machining experience.
• Experience supporting engineering development and R&D projects.
• Experience in aerospace, defense, robotics, automation, or advanced manufacturing environments.
• CNC programming experience is highly preferred.

Physical Requirements

• Ability to stand, walk, and perform repetitive tasks throughout a 10-hour shift.
• Ability to lift up to 50 pounds with or without accommodation.
• Ability to work safely around machinery and manufacturing equipment.

Security & Compliance Requirements

• Must comply with all ITAR (International Traffic in Arms Regulations) requirements. Candidates must meet eligibility requirements to access controlled technical data and products as defined by ITAR regulations.

This is a Contract to Hire position based out of Seattle, WA.

The pay range for this position is $33.00 - $40.00/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 Seattle,WA.

This position is anticipated to close on Oct 7, 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.