Test Engineer

Flint Hills Resources; El Salto; On-site; MXN 300,000 - 420,000; Full time

Job summary

Molex in Guadalajara is seeking a Test Engineer to support and develop the test area, ensuring operational continuity, efficiency, and technical excellence. You will directly contribute to keeping production lines running, troubleshooting issues, and driving improvements through data‑driven analysis and technical expertise.

You will be part of the OSOP division, collaborating closely with cross‑functional departments to align tester performance, address failures, and maintain world‑class testing

Qualifications

• Bachelor’s degree in Electronic Engineering or Optoelectronic Engineering (or related).
• 5+ years in a test engineering or related role.
• Advanced English proficiency (≈90%).
• Experience with software development and hardware integration.
• Strong analytical skills with experience using statistical tools in manufacturing.

Responsibilities

• Support daily test area operations and keep processes at peak performance.
• Report activities to supervisor and coordinate tester issues with cross‑functional teams.
• Develop software and integrate hardware solutions for test systems.
• Perform statistical analyses (paretos, box plots, CPK, pivot tables) to find improvements.
• Lead daily test meetings with international teams and present findings.

Skills

Advanced English

Analytical skills

Software development

Hardware integration

Statistical tools

Education

Bachelor’s degree in Electronic Engineering or Optoelectronic Engineering

Job description

Join our team as a Test Engineer in Guadalajara, where you will play a key role in supporting and developing the test area to ensure operational continuity, efficiency, and technical excellence. In this role, you will directly contribute to keeping production lines running, troubleshooting issues, and driving improvements through data-driven analysis and technical expertise.

Our Team

You will be part of the OSOP division, collaborating closely withcross‑functionaldepartments to align tester performance, address failures, and maintain world‑class testing standards. Reporting to the Test Engineering Supervisor, you will contribute to a culture of continuous improvement and operational reliability.

What You Will Do

• Support daily operations of the test area, ensuring test processes run at 100% performance levels.
• Report daily activities to your direct supervisor and collaborate across departments to align tester‑related issues.
• Develop software and integrate hardware solutions for test systems.
• Perform statistical data analysis, including paretos, box plots, CPK studies, and pivot tables to identify trends and opportunities for improvement.
• Lead daily test meetings with the international team and present analytical findings.
• Generate failure analysis (FA) test reports and present findings to U.S. groups.
• Manage quoting, purchasing, and follow‑up of multiple procurement activities.
• Ensure production lines remain operational at any time of the day, providing critical support when required.
• Conduct root‑cause analysis using established methodologies and tools.
• Analyze and correlate trends in parametric and continuous measurements with instrumentation systems.

Who You Are (Basic Qualifications)

• Bachelor’s degree in Electronic Engineering, Optoelectronic Engineering or related.
• 5 years of experience in a test engineering or closely related role.
• Advanced English proficiency (90%).
• Experience with software development and hardware integration.
• Strong analytical skills with experience applying statistical tools in manufacturing environments.

What Will Put You Ahead

• Proven experience leading cross‑functional technical discussions with international teams.
• Root Cause Analysis for all test into manufacturing lines.
• Experience managing procurement processes for technical equipment
• Data management.

At Koch companies, we are entrepreneurs. This means we openly challenge the status quo, find new ways to create value, and are rewarded for our individual contributions. Any compensation range provided for a role is an estimate determined by available market data. The actual amount may be higher or lower than the range provided, considering each candidate’s knowledge, skills, abilities, and geographic location. If you have questions, please speak with your recruiter about the flexibility and details of our compensation philosophy.

Who We Are
As a Koch company, Molex is a leading provider of connectors, interconnects, and components, driving innovation in electronics and supporting industries ranging from automotive to healthcare, and from consumer markets to data communications. The thousands of innovators working at Molex have made us a global leader in electronics. Our experienced people, innovative products, and cutting‑edge technologies help us deliver a wide range of solutions to more markets than ever before.
At Koch, employees are empowered to do what they do best to make life better. Learn how our business philosophy helps employees unlock their potential while creating value for themselves and the company.