CNC Programmer/Machinist-Lead

San Luis Obispo, CA
Full Time
Operations
Mid Level

CNC Programmer/Machinist Lead 
Job Summary: 

We are seeking a highly skilled and self-motivated CNC Programmer/Machinist Lead to oversee our machine shop operations and support the development of innovative manufacturing and R&D solutions. This exempt, full-time role combines technical expertise with leadership responsibilities, including managing a team, optimizing shop performance, and collaborating with engineers to develop prototypes and complex components. The CNC Programmer/Machinist Lead ensures machining processes align with design intent, quality standards, and production goals, while mentoring and evaluating the performance of shop personnel. 

Responsibilities and Duties: 

  • Team Leadership & Performance Management 

  • Supervise, mentor, and evaluate machinists and shop personnel to ensure safety, productivity, and technical excellence. 

  • Assign work, monitor performance, provide feedback, and support professional development. 

  • Manage shop schedules, resource allocation, and material acquisition to meet project timelines. 

  • Technical Oversight & CNC Programming 

  • Develop, generate, and review CNC programs for machining complex components on horizontal and vertical machining centers (3-axis and multi-axis). 

  • Oversee the setup, operation, and troubleshooting of CNC machines. 

  • Collaborate with engineers to develop and fabricate fixtures, prototypes, and tooling solutions. 

  • Ensure designs are optimized for manufacturability and efficient production. 

  • Process & Shop Management 

  • Lead continuous improvement initiatives to optimize machining processes, cycle times, and quality outcomes. 

  • Maintain and monitor shop equipment, identify upgrades or future needs, and recommend capital improvements. 

  • Establish and maintain documentation, including build guides, schematics, work instructions, and inspection procedures. 

  • Collaboration & Problem Solving 

  • Work closely with engineers to assist in prototype creation, product testing, and troubleshooting of complex technical issues. 

  • Provide solutions to machining, assembly, and process challenges using independent judgment. 

  • Coordinate cross-functional activities with engineering, quality, and operations teams to ensure successful project outcomes. 

Required Qualifications and Skills: 

  • Minimum 5 years of CNC programming, setup, and operation experience (3-axis and multi-axis). 

  • Strong foundation in CAD/CAM systems (e.g., SolidWorks, Mastercam) and geometric dimensioning & tolerancing (GD&T). 

  • Proven hands-on technical skills with machining tools, fixtures, part fabrication, and assembly. 

  • Experience supervising, mentoring, or managing technical staff. 

  • Strong analytical, organizational, and problem-solving skills. 

  • Effective written and verbal communication skills. 

Desired Qualifications and Skills 

  • Experience with inventory/parts management and shop workflow optimization. 

  • Experience with composites, aircraft avionics, or A&P certification. 

  • Technical writing skills, including build guides, schematics, wiring diagrams, and process documentation. 

  • Knowledge of lean manufacturing, 5S, or continuous improvement methodologies. 

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** 

__________________________________________________________________________ 

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.    
Pay Range: $100 - $135k Salary/Exempt  

 

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