Lead High Voltage Winding Technician

Sanmina; Houston (TX); On-site; USD 60,000 - 90,000; Full time

Job summary

Sanmina Corporation is hiring a Lead High Voltage Winding Technician in Houston, TX. You will set up and operate winding equipment, ensuring dimensional accuracy and insulation integrity while following engineering instructions.

You will document results and support ramp-up activities with a focus on safety and quality. The role requires a high school diploma or GED and 5+ years in manufacturing, with 3+ years in winding operations or precision build work; experience in transformer/motor coil

Qualifications

• High School Diploma or GED is required.
• 5+ years of experience in manufacturing or industrial environment.
• 3+ years operating winding equipment, precision build work, or quality-critical manufacturing.
• Experience in transformer/motor coil winding preferred.

Responsibilities

• Set up and operate high voltage winding machines per instructions.
• Wind conductors to required dimensions, turns and specs.
• Monitor alignment, dimensions, and build integrity.
• Follow winding sequences and workmanship standards.
• Support equipment startup, qualification, and commissioning.
• Assist in developing standard work and best practices.
• Inspect insulation materials and winding components per drawings.
• Maintain build sequence, spacing and insulation integrity.
• Perform in-line dimensional inspection and electrical conformance checks.
• Identify defects and take corrective action; maintain quality records.

Skills

Winding equipment operation

Precision build work

Electrical equipment manufacturing

Quality-focused manufacturing

Metrology and inspection

Education

High School Diploma or GED

Associate degree in Electrical Technology

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 meet standards—they redefine them.

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 meet standards—they redefine them.

What You'll Do

The Lead High Voltage Winding Technician is responsible for setting up, operating, and supporting the commissioning of high voltage winding equipment used in the manufacture of medium- and high-voltage power transformers. This role requires a high level of technical competence, workmanship discipline, and quality ownership to ensure conductor placement, insulation application, winding sequence, spacing, and overall build integrity meet engineering and quality requirements.

• 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
• Support equipment startup, qualification, and commissioning activities during ramp-up
• Assist in developing standard work and best practices for high voltage winding operations
• 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
• 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, spacing issues, or dimensional non-conformance and take corrective action
• Maintain accurate production records, material traceability, and quality documentation
• Identify recurring quality issues and support corrective actions to improve consistency and reduce rework
• 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
• Perform routine equipment checks, daily safety inspections, and basic preventive maintenance
• Support troubleshooting of equipment and process issues in coordination with maintenance, engineering, and supervision as needed
• Maintain a clean and organized work area in accordance with company standards
• Support training and qualification of new Technicians during factory ramp-up
• Share process knowledge, equipment best practices, workmanship expectations, and quality standards with team members
• Assist supervisors in identifying process gaps, training needs, and improvement opportunities

What You'll Bring

• High School Diploma or GED required
• 5+ years of experience in a manufacturing or industrial environment
• 3+ years of experience operating winding equipment, performing precision build work, or working in a quality-critical manufacturing environment
• Prior experience in transformer manufacturing, motor manufacturing, coil winding, or similar electrical equipment manufacturing preferred

How to Stand Out

• 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 supporting equipment commissioning, process improvements, or Technician training
• Demonstrated ability to lead by example in quality, safety, and execution

Why Join Us?

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.