High Voltage Winding Technician

Sanmina Corporation; Houston (TX); On-site; USD 40,000 - 60,000; Full time

Job summary

Sanmina-SCI Systems de México is seeking a High Voltage Winding Technician to set up and operate high voltage winding equipment. Applicants should have over 3 years of experience in manufacturing, mechanical aptitude, and attention to detail. Responsibilities include winding conductors to specifications, applying insulation materials, and conducting quality control inspections. The role requires compliance with safety standards and the ability to work in a fast-paced industrial environment. Opportunities for international travel for training may be necessary.

Qualifications

• 3+ years of experience in a manufacturing or industrial environment.
• Experience operating winding equipment and performing precision build work.
• Ability to read and interpret technical drawings and specifications.

Responsibilities

• Set up and operate high voltage winding machines.
• Inspect insulation materials and ensure quality control.
• Perform routine equipment checks and maintain a clean work area.

Skills

Mechanical aptitude

Attention to detail

Basic proficiency with measurement tools

Education

High School Diploma or GED

Associate degree in related field

Tools

Measurement tools (calipers, rulers, gauges)

Job description

Sanmina Corporation (Nasdaq: SANM) is a leading integrated manufacturing solutions provider serving the fastest growing segments of the global Electronics Manufacturing Services (EMS) market. Recognized as a technology leader, Sanmina Corporation provides end-to-end manufacturing solutions, delivering superior quality and support to Original Equipment Manufacturers (OEMs) primarily in the communications networks, defense and aerospace, industrial and semiconductor systems, medical, multimedia, computing and storage, automotive and clean technology sectors. Sanmina Corporation has facilities strategically located in key regions throughout the world.

High Voltage Winding Technician

Position Summary

The High Voltage Winding Technician is responsible for setting up and operating high voltage winding equipment used in the manufacture of medium- and high-voltage power transformers. This role requires a high level of workmanship, attention to detail, and process discipline to ensure conductor placement, insulation application, winding sequence, and dimensional integrity meet engineering and quality requirements. This position is intended for experienced manufacturing personnel who will support initial factory ramp-up through precise execution, quality ownership, and successful completion of equipment and process training.

High Voltage Winding & Equipment Operation

• Set up and operate high voltage winding machines in accordance with work instructions and engineering requirements.
• Wind conductors to required dimensions, turn counts, and build specifications.
• Monitor winding operations and make adjustments to maintain alignment, dimensional accuracy, and build integrity.
• Follow required winding sequences and workmanship standards throughout the build process.

Insulation Application

• Apply, position, and inspect insulation materials in accordance with engineering drawings, work instructions, and winding specifications.
• Maintain required build sequence, spacing, clearances, and insulation integrity throughout winding.
• Inspect insulation materials for condition, fit, placement, and conformance prior to and during winding.

Quality Control & Inspection

• Inspect conductors, insulation materials, and winding components prior to use.
• Verify winding dimensions, conductor alignment, insulation placement, spacing, and overall build quality during and after winding.
• Perform in-line dimensional inspection using standard metrology tools to verify winding dimensions, alignment, spacing, insulation placement, and conformance to specifications.
• Perform required in-line electrical conformance checks using standard electrical test equipment and document results in accordance with work instructions and quality requirements.
• Identify defects such as conductor damage, insulation irregularities, sequence errors, or dimensional non-conformance and take corrective action.
• Accurately log production data, material traceability, and quality yields into the ERP or production tracking system.

Material Handling

• Safely handle conductors, insulation materials, tooling, and wound components using appropriate lifting or handling equipment.
• Stage materials to support efficient workflow while maintaining organization and traceability.

Equipment Care & Workplace Standards

• Perform routine equipment checks, daily safety inspections, and basic preventive maintenance.
• Maintain a clean and organized work area in accordance with company standards.

Production Support

• Support stable output and minimize defects, scrap, or rework through disciplined execution and quality-focused workmanship.
• Assist in resolving routine process or equipment issues during ramp-up.

Required Qualifications

• High School Diploma or GED required.
• 3+ years of experience in a manufacturing or industrial environment.
• Experience operating winding equipment, performing precision build work, or working in a quality-critical manufacturing environment.
• Ability to read and interpret technical drawings, work instructions, and production specifications.
• Basic proficiency with measurement tools such as calipers, rulers, gauges, and related inspection tools.
• Strong mechanical aptitude and attention to detail.
• Ability to identify and respond to process or quality issues.

Safety & Certifications

• Familiarity with Lockout/Tagout (LOTO) procedures.
• Experience with lifting devices, hoists, or overhead cranes preferred; certification may be required.
• Ability to follow all workplace safety requirements.

Preferred Qualifications

• Associate degree (AAS) in Electrical Technology, Mechanical Technology, Mechatronics, or related field strongly preferred.
• Experience in transformer manufacturing, motor manufacturing, coil winding, or similar electrical equipment manufacturing.
• Experience applying insulation materials in a precision or quality-critical manufacturing environment.
• Experience working with engineered materials requiring repeatability, workmanship discipline, and dimensional control.

Additional Requirements

• Ability and willingness to travel internationally for training, equipment commissioning, or support activities, including extended travel during initial facility ramp-up.
• Must be legally authorized to work in the United States.
• Ability to meet the physical requirements of the role as outlined below.

Physical Requirements

• Ability to stand for extended periods during the work shift.
• Ability to lift, carry, and move materials weighing up to 50 lbs, with or without assistance.
• Ability to perform repetitive tasks involving hand and arm motion.
• Ability to bend, reach, and work in a manufacturing environment around moving equipment.
• Ability to safely work in an industrial environment using required personal protective equipment (PPE).

Work Environment

• Industrial manufacturing environment.
• Exposure to moving equipment, conductors, insulation materials, and heavy components.
• Requires standing, lifting, and repetitive winding-related tasks

This position deals with ITAR facilities and applicants must be a U.S. Citizen or a lawful permanent resident.

Sanmina is an Equal Opportunity Employer – M/F/Veteran/Disability/Sexual Orientation/Gender Identity.