CNC Machinist

Mach-Industries; San Luis Obispo (CA); On-site; USD 48,000 - 66,000; Full time

Job summary

Mach Industries in San Luis Obispo, CA, is seeking a skilled CNC Machinist to oversee end-to-end operation of CNC mills and lathes, including 5-axis machines. You will set up, operate, troubleshoot, and ensure precision aerospace components meet tight tolerances.

This role requires 3+ years of setup experience, GD&T knowledge, and proficiency with Fanuc/Siemens controllers. You'll work day or night shifts, maintain safety, and contribute to ongoing process improvements.

Qualifications

• Minimum 3 years of CNC machining set-up experience on mills, lathes, and 5-axis systems.
• Ability to work independently or on off-shifts in a fast-paced production environment.
• Strong understanding of GD&T and blueprint interpretation.
• Proficient with Fanuc, Brother, Haas, OSP, or Siemens machine controllers.
• Familiarity with basic G-Code and adjusting feed/speed settings.
• Ability to use hand inspection tools to verify machined features.
• Physical ability to lift up to 50 lbs and work hands-on in a dynamic environment.
• Education: High school diploma or GED required.
• Willingness to work long hours during day or night shifts.
• Adhere to safety procedures and maintain clean, safe operations.
• Proficient in basic computer documentation and machine operation.

Responsibilities

• Operate complex parts on CNC mills, lathes, and 5-axis machines during the day shift with minimal supervision.
• Set up and operate multi-axis CNC mills (up to 5-axis) and lathes.
• Inspect parts using hand tools and CMMs to verify dimensions and quality.
• Set up tooling, adjust offsets, and perform changeovers to meet production demands.
• Maintain tight tolerances for aerospace components and uphold safety standards.
• Troubleshoot machining issues independently and communicate with shop leadership when needed.
• Maintain a clean, organized, and safe shop floor during day operations.
• Provide feedback to the day team for continuous improvement and process development.
• Complete preventive maintenance on equipment to ensure efficiency.
• Document actions, production, and quality logs to maintain shift continuity.

Skills

GD&T

Blueprint interpretation

Independent worker

G-Code basics

Education

High school diploma or GED

Tools

Fanuc

Brother

Haas

OSP

Siemens

Job description

San Luis Obispo, California, United States

About Mach Industries

Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition.

Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security.

The Role

As a CNC Machinist, you will oversee the end-to-end operation of CNC machining equipment to produce precision aerospace hardware. Working independently, you will set up, operate, and troubleshoot advanced machining operations, ensuring consistent performance and quality during off-hour production.

Key Responsibilities

Operate complex parts on CNC mills, lathes, and 5-axis machines during the day shift with minimal supervision.

Set up and operate multi-axis CNC mills (up to 5-axis) and lathes.

Inspect parts using hand tools and Coordinate Measuring Machines (CMMs) to verify dimensions and ensure quality.

Set up tooling, adjust offsets, and perform changeovers to meet production demands.

Maintain tight tolerances for aerospace components, adhering to strict quality standards.

Troubleshoot and resolve machining issues independently, communicating with shop leadership when production is impacted.

Maintain a clean, organized, and safe shop floor during day operations.

Provide feedback to the day team to support continuous improvement and process development.

Complete preventive maintenance on equipment to ensure operational efficiency.

Document actions, production, and quality logs to maintain continuity across shifts.

Update job knowledge by participating in educational opportunities.

Required Qualifications

Experience: Minimum of 3 years of CNC machining set-up experience, including manual mill, lathe, and 5-axis systems.

Independence: Proven ability to work independently or on off-shifts in a fast-paced production environment.

Technical Skills:

Strong understanding of Geometric Dimensioning and Tolerancing (GD&T) and blueprint interpretation.

Proficient with Fanuc, Brother, Haas, OSP, or Siemens machine controllers.

Familiarity with basic G-Code and comfortable adjusting feed/speed settings.

Ability to use hand inspection tools to verify machined features.

Physical Requirements: Ability to lift up to 50 lbs and work hands‑on in a dynamic manufacturing environment.

Education: High school diploma or GED required.

Work Hours: Willingness to work long hours during the day or night shift.

Safety and Maintenance:

Adhere to safety procedures and regulations to maintain safe operations.

Maintain the cleanliness of equipment and the assigned work area.

Computer Skills: Proficient in basic computer and technical skills for documentation and machine operation.

Equipment Operated:

CNC mills and lathes.

Manual mill and lathe experience required.

5-axis machining systems.

Preferred Qualifications

Experience with small turbine engines or aerospace propulsion systems in a testing or maintenance capacity.

Ability to interpret technical drawings, schematics, and engineering instructions.

Additional Requirements

• Available to work extended hours and weekends as needed

To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITARhere .

Pay Range

$35 - $48 USD

At Mach, we believe that compensation is more than just a paycheck. It's a comprehensive package designed to reward the time, skills, and expertise you bring to our team. We are committed to offering competitive compensation that is equitable, transparent, and aligned with market trends.

Key Elements of Our Compensation Philosophy:

• Competitive Salaries: We continuously research market rates to ensure our salaries are competitive with those in our industry and geographic location.
• Performance-Based Incentives: Our bonus structure is tied to both individual and company performance, creating a win‑win scenario that motivates our team members to excel.
• Equity Participation: We offer stock options or equity to employees, ensuring that you share in the success and growth of the company.
• Benefit Packages: Our benefits include healthcare, dental and vision plans, retirement savings, and paid time off, because we understand that your well‑being extends beyond the office.
• Professional Development: We allocate funds for continuing education, training, and career growth.
• Transparency: We are committed to openness about our compensation tiers and how decisions are made, ensuring trust and mutual respect.

By joining Mach, you’re not just accepting a job—you’re becoming a key part of a team that values your contributions and invests in your growth. Together, we aim to create a rewarding environment that sets the stage for long‑term success.

This position may require access to information protected under U.S. export control laws and regulations, including the Export Administration Regulations (EAR) and the International Traffic in Arms Regulations (ITAR). Please note that any offer for employment may be conditioned on authorization to receive software or technology controlled under these U.S. export control laws and regulations without sponsorship for an export license.

Mach participates in E‑Verify and will provide the federal government with your Form I‑9 information to confirm that you are authorized to work in the U.S.

The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only. Actual salary offers may vary based on (but not limited to) work experience, education and training, critical skills, and business considerations. Highly competitive equity grants are included in most offers and are considered part of Mach’s total compensation package. Mach offers benefits such as health insurance, retirement plans, and opportunities for professional development.

Mach is an equal opportunity employer committed to creating a diverse and inclusive workplace. All qualified applicants will be treated with respect and receive equal consideration for employment without regard to race, color, creed, religion, sex, gender identity, sexual orientation, national origin, disability, uniform service, Veteran status, age, or any other protected characteristic per federal, state, or local law, including those with a criminal history, in a manner consistent with the requirements of applicable state and local laws. If you’d like to defend the American way of life, please reach out!