Process Engineer - Transformer Manufacturing

Sanmina Corporation; Houston (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

Sanmina Corporation in Houston seeks a Process Engineer to optimize the production of distribution transformers, MV switchgear and instrument transformers.

You will lead capacity planning, testing, and SOP development with a hands-on approach, driving efficiency and quality across heavy manufacturing lines.

Qualifications

• Bachelor's degree in Electrical, Mechanical, or Industrial Engineering – required.
• Minimum 8 years of experience in heavy manufacturing.
• Knowledge of CAD software (AutoCAD) and 3D modeling – preferred.
• Experience with lean manufacturing tools (5S, etc.) – required.
• Familiar with ERP systems (SAP, Oracle) and CAD software – preferred.
• Familiarity with electrical testing protocols (e.g., Impulse, Ratio, Hi-Pot).

Responsibilities

• Capacity planning & costing: time studies, update standard costs and BOMs for accurate MRP and capacity forecasting.
• Functional testing: develop procedures for dielectric, insulation, and performance testing.
• CAPEX & growth: prepare ROI analyses and technical specs for executive approvals.
• Performance reporting: track OTD, FPY, and scrap costs for senior management.
• Optimize transformer assembly processes to improve efficiency and reduce costs.
• Develop and maintain SOPs and work instructions.
• PFMEA & risk mitigation: identify risks and maintain quality plans.
• Support introduction of new products (NPI) to production lines.
• Train operators on new processes, equipment and procedures.
• Collaborate with QA to ensure compliance with standards.

Skills

Lean manufacturing

5S

Problem solving

Cross-functional collaboration

Education

Bachelor’s degree in Electrical, Mechanical, or Industrial Engineering

Tools

AutoCAD

3D modeling

SAP

Oracle

IEEE/IEC/ANSI standards

Job description

Process Engineer - Transformer Manufacturing - (114674)

Category (For Job Seekers)

Manufacturing/Operations

Location

13081 - EMS Houston USA - US (Primary)

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.

Process Engineer – Transformer Manufacturing

Job Purpose:

We are seeking a highly skilled Manufacturing Process Engineer to join our Medium Voltage production team. The successful candidate will be responsible for optimizing the production process of Distribution transformers, MV Switchgear, instrument transformers. The role requires a hands‑on approach to problem‑solving, improving efficiency, and ensuring the highest quality standards are met.

Nature of Duties:

• Capacity Planning & Costing: Conduct detailed time studies for core production. Update Standard Costs and manage Bills of Materials (BOM) to ensure accurate material requirement planning (MRP) and capacity forecasting.
• Functional Testing: Oversee or develop procedures for dielectric, insulation, and performance testing. Ensure all units meet industry standards (IEEE/ANSI/IEC) before shipping to customers.
• CAPEX & Strategic Growth: Identify needs for new technology or increased capacity. Prepare Capital Expenditure (CAPEX) justifications, including ROI analysis and technical specifications for executive approval.
• Performance Reporting: Track and report key manufacturing metrics, including On-Time Delivery (OTD), First Pass Yield (FPY), and total Scrap Costs to senior management.
• Optimize transformer assembly processes to improve efficiency and reduce manufacturing costs.
• Develop, maintain, and update detailed work instructions and standard operating procedures (SOPs).
• Risk Mitigation (PFMEA) : Develop and maintain Process Failure Mode and Effects Analysis (PFMEA) and quality control plans to proactively identify risks in manufacturing and preventing expensive material scrap and labor waste.
• Support the introduction of new products (NPI) to the production line.
• Train operators on new processes, equipment and all applicable procedures.
• Collaborate with QA to ensure compliance with industry standards.
• Education and Experience:
• Bachelor’s degree in Electrical, Mechanical, or Industrial Engineering – required
• Minimum 8 years of experience in heavy manufacturing environment
• Knowledge in CAD software (AutoCAD) and 3D modeling -preferred
• Experience with lean manufacturing tools (5S,..etc.) – required
• Knowledge of industry standards like IEEE, IEC, or ANSI -preferred
• Familiar with ERP systems (SAP, Oracle) and CAD software -preferred
• Familiarity with electrical testing protocols (e.g., Impulse test, Ratio test, Hi pot test).

Sanmina is an Equal Opportunity Employer