CNC Machinist

CNC Machinist

Job Summary: 

We are seeking a skilled CNC Machinist to perform precision machining of components using 3-axis and 5-axis mills. The ideal candidate will develop and maintain CNC programs, set up and operate machines, troubleshoot issues, and work closely with Engineering and Quality teams to ensure high-quality production. This role requires strong technical expertise, attention to detail, and the ability to optimize machining processes. 

Responsibilities and Duties: 

• Perform all machining operations within the shop, ensuring quality and production goals are met. 

• Develop, maintain, debug, and test CNC programs for 3-axis and 5-axis mills using CAD/CAM systems such as SolidWorks and Mastercam. 

• Set up and operate 3-axis and 5-axis mills to complete production runs. 

• Analyze tooling and process failures, identify root causes, and implement corrective actions. 

• Optimize machining processes to reduce cycle time, improve tooling efficiency, and eliminate wasted machine movements. 

• Collaborate with Engineering to refine designs for improved manufacturability. 

• Use Work Orders to track job progress and maintain material traceability. 

• Support Quality Assurance in troubleshooting and resolving nonconformances. 

• Participate in the expansion and optimization of machine shop processes. 

Required Qualifications and Skills: 

• Strong 5-axis programming experience. 

• Ability to design machining fixtures. 

• Proficient in reading and interpreting blueprints and engineering drawings. 

• Well-versed in GD&T principles and inspection procedures. 

• Skilled with precision inspection tools (calipers, micrometers, pin gauges, etc.). 

• Ability to manage multiple tasks and adapt to changing priorities. 

• Familiarity with ISO9001 or AS9100 quality standards. 

• Proficiency with Microsoft Office applications. 

• Strong written and verbal communication skills. 

• Excellent organizational and planning abilities. 

Desired Qualifications and Skills: 

• Experience converting labor-intensive machining processes to lights-out operations. 

• Knowledge of pallet-changing systems. 

• Familiarity with 5S, Six Sigma, and Lean manufacturing principles. 

• Experience with ERP/MRP workflows. 

• Ability to perform basic preventative maintenance on CNC machines 

Comprehensive Benefits & Perks: 

• Health & Wellness: Choose from three health, dental, and vision plans - including a 100% employer-paid option covering both employees and their families. 

• Paid Time Off: Enjoy 120 hours of PTO, 80 hours accrued plus an additional 40 hours of holiday break pay in addition to Christmas Eve, Christmas Day, and New Year’s Day off. 

• Life Insurance: $25,000 employer-paid life insurance policy, with the option to purchase additional coverage for employees and their families. 

• Supplemental Coverage: Access optional benefits such as Critical Illness, Hospital Indemnity, Accident Insurance, and Critical Illness with Skin Cancer coverage. 

• Health Savings Account (HSA): Take advantage of a tax-advantaged HSA to manage medical expenses. 

• Retirement Savings: 401(k) with a company match to support your financial future. 

• Paid Holidays: Enjoy 9 paid holidays throughout the year. 

• Work Environment: A casual dress code, complimentary snacks, and a welcoming company culture. 

• Ideal Location: Work in an area that offers an outstanding quality of life - a perfect place to live, work, and play! 

Company Overview:

Empirical Systems Aerospace, Inc (ESAero) is a leader in aerospace engineering, product development, and manufacturing, dedicated to delivering high-quality, innovative, and cost-effective solutions to the industry. We specialize in cutting-edge system design, rapid product development, precision manufacturing, comprehensive testing, and technology demonstrations to support the evolving needs of the aerospace community. Committed to excellence, on-time delivery, and continuous growth, we invest in infrastructure to expand our manufacturing and aftermarket capabilities while maintaining the highest standards of engineering services. 

At ESAero, we don’t just build products, we engineer solutions that propel  

the aerospace industry forward. 

**This position is fully on-site at ESAero in San Luis Obispo, CA** 

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ESAero is an equal opportunity employer.  
E-Verify participation required for employment.  
All ESAero positions require US citizenship or US resident status.      
Must be able to pass background check and drug test    
Hiring Range: $25-$35/hr Hourly/Non-Exempt