Lead Active Part Assembly Technician

Sanmina Corporation; Houston (TX); On-site; USD 70,000 - 100,000; Full time

Benefits offered by this job

Discretionary bonuses or commission

Relocation assistance

Job summary

Sanmina Corporation in Houston seeks a Lead Active Part Assembly Technician to lead active part assembly for liquid-filled distribution transformers, following engineering drawings, work instructions, and quality standards. You will manage coil placement, upper yoke assembly, insulation and wedging, verify lead routing and connections, and log data in ERP while upholding safety and continuous improvement.

Candidates need 5+ years in manufacturing, 3+ years in transformer assembly; HS diploma; an

Qualifications

• 5+ years of experience in manufacturing, industrial, or assembly environment.
• 3+ years in transformer active part assembly, transformer pre-assembly, core and coil assembly, or similar heavy electrical manufacturing environments.
• Prior experience supporting equipment readiness, process stabilization, or operator training in a quality-critical manufacturing environment preferred.
• Demonstrated ability to lead by example in quality, safety, and execution.

Responsibilities

• Lead active part assembly operations for liquid-filled distribution transformers in accordance with engineering drawings, bills of material, and work instructions.
• Position and secure coils to the transformer core using approved methods, tools, fixtures, and assembly practices.
• Perform upper yoke assembly, including installation and alignment of the top section of the core after coils have been placed over the core limbs.
• Install coil wedges and specialized insulation materials required to secure coils against the core and maintain assembly stability.
• Verify lead placement, routing, clearances, and connection conformance throughout the active part assembly process.
• Accurately log production data, material traceability, and quality yields into the ERP or production tracking system.

Skills

Manufacturing experience

Electrical manufacturing

Quality-focused

Education

High School Diploma or GED

AAS Associate degree in Electrical/Mechatronics/Industrial Technology

Job 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 Active Part Assembly Technician is responsible for leading active part assembly operations for liquid-filled distribution transformers in accordance with engineering drawings, work instructions, process requirements, and quality standards.
• The main focus of this role includes positioning and securing coils to the core, upper yoke assembly, coil wedging using specialized insulation materials, and connection of internal coil leads required to complete the active part assembly.
• Lead active part assembly operations for liquid-filled distribution transformers in accordance with engineering drawings, bills of material, and work instructions
• Position and secure coils to the transformer core using approved methods, tools, fixtures, and assembly practices
• Perform upper yoke assembly, including installation and alignment of the top section of the core after coils have been placed over the core limbs
• Install coil wedges and specialized insulation materials required to secure coils against the core and maintain assembly stability
• Verify active part fit-up, alignment, and assembly readiness throughout the build process
• Support development and refinement of standard work and best practices for active part assembly operations during ramp-up
• Route, position, secure, and connect internal coil leads in accordance with engineering drawings and work instructions
• Verify lead placement, routing, clearances, and connection conformance throughout the active part assembly process
• Ensure internal lead connections are completed in a manner that supports assembly integrity, insulation protection, and downstream manufacturing requirements
• Identify lead-routing or connection issues and take corrective action in accordance with standard procedures
• Inspect core components, coils, insulation materials, wedges, leads, hardware, and related materials prior to use for condition, completeness, and conformance
• Verify coil positioning, upper yoke alignment, wedging condition, lead routing, and overall active part assembly integrity throughout the build process
• Perform in-process dimensional and visual checks using standard measurement and inspection tools in accordance with work instructions
• Identify defects such as poor fit-up, damaged insulation, improper wedging, lead-routing issues, missing hardware, or non-conforming assembly conditions and take corrective action
• Accurately log production data, material traceability, and quality yields into the ERP or production tracking system
• Identify recurring assembly or quality issues and support corrective actions to improve consistency and reduce rework
• Safely handle cores, coils, active part components, insulation materials, wedges, leads, hardware, and related materials using appropriate lifting or handling equipment
• Use overhead cranes, hoists, fixtures, and other approved devices as required
• Stage materials and assembly aids to support efficient workflow while maintaining organization and traceability
• Use hand tools, power tools, fixtures, assembly aids, and related equipment required for active part assembly operations
• Perform routine equipment and tool checks and report issues as needed
• Support troubleshooting of equipment, tooling, or process issues as required
• Maintain a clean and organized work area in accordance with company standards
• Support training and qualification of new operators during factory ramp-up
• Share active part assembly best practices, workmanship expectations, and quality standards with team members
• Assist supervisors in identifying process gaps, training needs, and improvement opportunities
• Interface with upstream winding, core preparation, and downstream tanking/final assembly operations as required by production flow

What You'll Bring

• High School Diploma or GED required
• 5+ years of experience in a manufacturing, industrial, or assembly environment
• 3+ years of experience in transformer active part assembly, transformer pre-assembly, core and coil assembly, or similar heavy electrical manufacturing environments
• Prior experience supporting equipment readiness, process stabilization, or operator training in a quality-critical manufacturing environment preferred

How to Stand Out

• Associate degree (AAS) in Electrical Technology, Mechanical Technology, Mechatronics, Industrial Technology, or related field strongly preferred
• Experience in liquid-filled transformer manufacturing or similar heavy electrical manufacturing environments
• Experience with core and coil assembly, upper yoke assembly, coil wedging, insulation placement, or related active part manufacturing operations
• Experience supporting process improvements, operator training, startup activities, or process documentation in a quality-critical environment
• 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.