Journeyman CNC Maintenance & Repair Technician (Niigata & Mazak Specialist)
Listed on Sanmina-SCI’s official careers site. Posted November 5, 2026. Check that it is still open and apply there.
Apply on Sanmina-SCI’s careers site →Job description
Description Sanmina Corporation (Nasdaq: SANM) is a global powerhouse in integrated manufacturing solutions serving the fastest growing segments of the global Electronics Manufacturing Services (EMS) market. We are a global engine providing the end-to-end manufacturing backbone for the world's most essential and innovative brands. Whether it's autonomous vehicles, life-saving medical tech, next-gen aerospace, or AI/cloud infrastructure - our integrated solutions don’t just Specializing in precision machining and metal fabrication, our Sanmina Newark, California facility has 15 years experience in both precision and large format solutions for industrial, semiconductor, clean technology and oil & gas markets.
We provide comprehensive engineering and test capabilities
from in-house and hydrostatic leak-testing of medium and large format vacuum chambers to machining of precision stainless steel mechanisms. We have the capacity to machine components up to 3 meters. Our metal fabrication services include grinding, vacuum welding, heat treating, plating and anodizing. We can process many advanced materials, including aluminum, stainless steel, plastics, ferrous-nonferrous and other exotic alloys.
Summary
We are seeking a highly skilled and experienced Journeyman CNC Maintenance Technician to join our team. This role is responsible for the expert-level troubleshooting, diagnostic testing, repair, and preventative maintenance of our industrial CNC machine tools, with a primary focus on Niigata and Mazak equipment (including multi-axis mills, lathes, and machining centers). The ideal candidate will possess advanced electrical, mechanical, hydraulic, and pneumatic aptitude, ensuring maximum equipment uptime, reliability, and safety in a fast-paced production environment.
What You'll Do
Troubleshooting & Repair: Independently diagnose and repair complex mechanical, electrical, pneumatic, and hydraulic issues on Niigata and Mazak CNC machinery down to the component level.
Preventative Maintenance (PM)
Execute scheduled and comprehensive preventative maintenance programs for all assigned CNC equipment. Identify potential failures and proactively replace parts to minimize machine downtime.
Controls & Electronics
Troubleshoot and repair CNC control systems, servo drives, spindle drives, PLCs, and field sensors. Must have strong proficiency with Mazatrol, Fanuc, and other associated control systems used on Mazak and Niigata platforms.
Mechanical Systems
Repair and align machine tool mechanical systems, including ball screws, linear rails, guideways, gearboxes, and tool changers.
Documentation
Maintain accurate, up-to-date service records, PM logs, and compliance documentation.
Continuous Improvement
Develop and update preventative maintenance procedures using technical manuals, electrical/mechanical schematics, and vendor resources.
Safety & Compliance
Strictly adhere to all facility safety protocols, lock-out/tag-out (LOTO) procedures, and PPE requirements. Safely handle and dispose of hazardous materials and machine chemicals.
Collaboration
Work closely with CNC operators, programmers, and production management to understand equipment issues, schedule repairs without heavily impacting production, and train operators on basic daily maintenance tasks.
What You'll Bring
Experience: Minimum of 5+ years of industrial machine maintenance experience, with a proven track record as a journeyman-level technician. Must have at least 3 years of direct, hands-on experience repairing and maintaining Niigata and Mazak CNC equipment.
Technical Skills
Expertise in reading and interpreting complex electrical, mechanical, hydraulic, and pneumatic blueprints and schematics. Strong working knowledge of Mazatrol and Fanuc control systems (parameter adjustments, servo tuning, electronic repair). Proficiency using specialized diagnostic equipment, precision measuring tools (calipers, micrometers), and standard hand/power tools.
Education
High School Diploma or equivalent required. AS Degree in Engineering, Industrial Maintenance, or advanced technical certifications in CNC machine repair are highly preferred.
Soft Skills
Strong analytical math skills, excellent problem-solving abilities, and a high degree of self-motivation. Must be able to work independently with minimal supervision and respond with urgency to machine-down situations.
Physical Demands
Ability to lift heavy components, stand for extended periods, and maneuver around, under, and inside large industrial machinery. Why Join Us? At Sanmina, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $85,000 ($40.86/hour) - $98,000 ($47.11/hour) , and your base pay will depend on your skills, qualifications, experience, and location.
Sanmina employees also receive benefits including
Comprehensive medical and dental coverage, retirement benefits, and for formal education related to advancing your career at Sanmina, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Sanmina is an Equal Opportunity Employer and prohibits discrimination and harassment. Sanmina provides equal employment opportunities to employees and applicants for employment and prohibits discrimination and harassment without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or other characteristic protected by applicable federal, state, or local laws.
Please be aware that this position may require access to technology, software, or technical data that is subject to U.S. export control laws. All offers of employment are contingent on the applicant either 1) being a "U.S. Person," defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident, or (iii) other protected individual, such as a refugee under 8 U.S.C. § 1157 or asylee under 8 U.S.C. § 1158; or 2) being eligible to obtain a timely export control license or license exception from the applicable U.S. federal agency.
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