Machinist

Job Title: CNC Setup Machinist
Job Description
The CNC Setup Machinist performs advanced machine setups, writes and modifies CNC programs, and operates CNC equipment to produce precision machined parts. In this role, you set up machines for production runs, optimize programs and cutting parameters, troubleshoot technical issues, and ensure high-quality components. You work independently with minimal supervision, applying strong technical expertise and CNC programming skills to support efficient, reliable manufacturing in a high-mix environment.
Responsibilities

• Set up, load, and operate CNC machines according to job specifications and production requirements.
• Perform complex machine setups for production runs, including mill/turn, 3-5 axis, and horizontal machining centers.
• Set up fixturing using standard fixture hardware and design custom fixtures for specialized machining operations.
• Calibrate machines and verify setup accuracy before production to ensure repeatability and precision.
• Operate CNC equipment and continuously monitor production to maintain quality, efficiency, and throughput.
• Perform first article inspections and verify dimensional accuracy prior to full production.
• Write and modify CNC programs using G-code or CAM software such as Mastercam, ESPRIT, or similar tools.
• Read and interpret engineering drawings and blueprints to ensure accurate machining according to specifications.
• Optimize cutting parameters, feed rates, and tool paths to improve cycle times and reduce setup time.
• Troubleshoot programming errors and make real-time adjustments to programs and machine parameters.
• Collaborate with the team to keep machine templates up to date and maintain a clean, organized digital file archive.
• Monitor machine operations to detect and address issues or deviations from expected performance.
• Identify and resolve quality problems related to setup, tooling, and machine operation.
• Recommend and implement process improvements to increase throughput and reduce setup and changeover times.
• Conduct quality checks and measurements to ensure parts meet engineering drawings and GD&T specifications.
• Use precision measuring equipment including calipers, micrometers, and other inspection tools for in-process inspections.
• Document quality issues and collaborate with the quality team to develop and support corrective actions.
• Perform routine maintenance on CNC machines to ensure optimal performance and reliability.
• Diagnose and troubleshoot mechanical and electrical issues, replacing cutting tools and consumables as needed.
• Maintain equipment calibration and accuracy, and coordinate with maintenance teams on major repairs and upgrades.
• Keep detailed maintenance logs and equipment records to support traceability and continuous improvement.
• Provide guidance and mentorship to CNC operators on machine operation, setup, and troubleshooting.
• Share technical knowledge, best practices, and process improvements with team members to support a continuous improvement culture.
• Demonstrate willingness to learn and take direction from experienced machinists while also mentoring others.
• Maintain a clean, organized work area that supports safe, efficient, and high-quality production.
• Adhere to all safety protocols and procedures, and promote a safety-focused mindset within the team.

Essential Skills

• Must have at least 5+ years of CNC machining experience in a manufacturing environment.
• Demonstrated experience with mill/turn machines, with the ability to provide backup and coverage for these operations.
• Hands-on experience with 3-5 axis and horizontal machining centers.
• Strong CNC programming skills using G-code and familiarity with CAM software such as Mastercam, ESPRIT, or similar.
• Advanced knowledge of GD&T (Geometric Dimensioning and Tolerancing) and the ability to apply it in machining and inspection.
• Ability to read and interpret engineering drawings and blueprints accurately.
• Proficiency in setting up fixturing, including standard fixture hardware and custom fixture design.
• Excellent mechanical aptitude with strong troubleshooting skills for both machine and process issues.
• High attention to detail with a strong commitment to quality, precision, and pride in workmanship.
• Safety-focused work habits with consistent adherence to protocols and procedures.
• Ability to work independently as a self-starter and make sound decisions with minimal supervision.
• Strong technical problem-solving skills and a hands-on approach to resolving production issues.
• Collaborative mindset and ability to work effectively as a team player.
• Adaptability and comfort handling changing priorities and complex setups in a high-mix environment.
• Process improvement orientation with a focus on reducing setup time and increasing efficiency.

Additional Skills & Qualifications

• Preferred 7+ years of CNC machining experience in a manufacturing environment; 8+ years is a strong plus.
• Technical certification or associate degree in machining or a related field.
• Experience with multiple CNC machine types, including mills, lathes, and multi-axis equipment.
• Experience in contract manufacturing or high-mix production environments.
• Knowledge of fixture design and tooling optimization to support efficient setups and changeovers.
• Training or experience in Six Sigma or Lean manufacturing methodologies.
• Forklift certification is a plus for material handling and shop support.
• Experience maintaining organized digital file archives for programs, templates, and setup documentation.
• Willingness to mentor and train others, sharing knowledge to support team development.

Why Work Here?
This opportunity offers a temp-to-hire path, providing a clear route to long-term stability with strong compensation. You join a team that values precision, continuous improvement, and collaboration, with the chance to work on diverse, technically challenging projects. The environment supports learning and skill development, encourages initiative, and recognizes contributions to quality and efficiency.
Work Environment
The role is based in a modern manufacturing environment that specializes in producing high-quality components through additive manufacturing (3D printing), CNC machining, welding, sheet metal fabrication, powder coating, and assembly. You collaborate closely with design engineers, product developers, operations engineers, and product concept teams, supporting a wide range of innovative projects. The position follows a day shift schedule from 6:15 AM to 2:45 PM, providing consistent daytime hours. The facility emphasizes safety, organization, and cleanliness, with well-maintained CNC equipment and supporting technologies designed to enable precise, efficient production.
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Job Type & Location
This is a Contract position based out of Seattle, WA.
Pay and Benefits
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)
Workplace Type
This is a fully onsite position in Seattle,WA.
Application Deadline
This position is anticipated to close on Sep 28, 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.