Quality Engineer

Littelfuse Mexico Services S de RL de CV

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Muzquiz Until 8/22/2026 H-1B sponsor history First posted November 8, 2025 Last posted December 28, 2025
Job description

Littelfuse is one of America’s Best Mid-Sized Companies (Forbes) and has been named one of the Best Places to Work in Illinois (Best Companies Group) for 11 consecutive years. With its global headquarters in Chicago, Illinois, USA, Littelfuse is a leading, global manufacturer of electronic components serving more than 100,000 end customers across industrial, transportation, and electronics end markets. We have more than 17,000 employees with operations in 15 countries. From semiconductors to sensors… switches to fuses and more… we produce billions of electronic components that help our customers empower a sustainable, connected, and safer world. In 2021, Littelfuse had net sales of $2.1 billion.

Assurance of quality system implementation in production. Provide guidance to manufacturing
regarding quality issues. Identify and analyze quality problems and suggests corrective actions.
Involvement with customers regarding complaints and services. Manage Continual Improvement process (Projects and team meetings). Take part in internal audits. Write SWRs/TECOs as necessary. Provide support to production as/when necessary. Provide backup for CofC’s (Certificate of Conformance) as necessary (40%)


Control Internal Specifications and generate Specification Reviews as necessary, update internal
system (WiP.mdb), and maintain documentation. Provide visual inspection training and certification for inspectors. Manage the Discrepant Work Reports system (Disposition and retention of DWRs). Provide guidance to manufacturing on discrepant material. Responsible for analysis of discrepant material (DWRs) and providing feedback to manager for continual improvement. Assist management with internal investigations, customer concerns, customer corrective actions, and internal specification review clarifications. Provide guidance in trouble shooting technical problems to get production back online with minimal impact. Provide 1st line investigation of technical problems and gather facts pertaining to the problem. Present problems in detail to management as they arise (40%)


Responsible for providing engineering support to ensure smooth product flow through the
manufacturing process. Provide assistance to Engineering where needed. Provide assistance to QA and Production manager with communicating direction and decision making to shift personnel. Facilitate inter-shift communication to provide feedback on problems and accomplishments (20%)

About this role

Summary

Ensure quality system implementation, analyze problems, support manufacturing, and improve processes.

Job title

Quality Engineer

Experience level

not specified

Industry

electronics

Location requirements

Muzquiz, no remote work specified

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

quality systemsinternal auditsdiscrepant materialspecification reviewtechnical troubleshooting

Preferred skills

None specified

Specializations

quality systemsmanufacturinginternal auditsdiscrepant materialtechnical troubleshooting
Locations

Structured locations inferred from the posting.

Múzquiz, Coahuila, Mexico

On-site City
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