Signal Integrity Test Engineer — Lead Testing & Automation

Molex; Región Sur; On-site; MXN 420,000 - 660,000; Full time

Job summary

Molex is seeking a Signal Integrity Test Engineer to validate high-speed connectors, cables, and assemblies, delivering reliable measurements across prototypes and production readiness.

You will design test plans, perform VNA/TDR/BERT tests, analyze eye diagrams and return loss, and mentor technicians while collaborating with design engineers to improve products and laboratory processes.

Qualifications

• Bachelor’s degree in Electrical Engineering or related field.
• At least three years of hands-on signal integrity testing experience.
• Proficient with VNAs, TDRs, BERTs, and high-bandwidth oscilloscopes.
• Experience analyzing TDR performance of high-speed channels.
• Experience developing automation scripts using Python, MATLAB, or similar tools.

Responsibilities

• Design and implement test plans for validation of high-speed connectors, cables, and assemblies.
• Perform signal integrity measurements using VNAs, TDRs, BERTs, and high-bandwidth oscilloscopes.
• Analyze eye diagrams, jitter, impedance, crosstalk, return loss, and insertion loss.
• Create and maintain test procedures, technical reports, and validation results.
• Mentor laboratory technicians and support continuous improvement of the lab.

Skills

Signal integrity testing

Hardware validation

Collaboration

Time management

Technical documentation

Education

Bachelor's degree in Electrical Engineering

Tools

VNAs

TDRs

BERTs

Oscilloscopes

Python

MATLAB

Job description

Molex is seeking a Signal Integrity Test Engineer to validate high-speed connectors, cables, and assemblies, delivering reliable measurements across prototypes and production readiness.

You will design test plans, perform VNA/TDR/BERT tests, analyze eye diagrams and return loss, and mentor technicians while collaborating with design engineers to improve products and laboratory processes.