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SR automated test engineer

Molex • Dongguan, Guangdong Province, China

onsitefull-time
Posted Nov 2, 2026Apply by May 1, 2027

**Role & seniority: ** Electrical/High-Speed Test Engineer (early-career; <2 yrs required; scope includes independent work with global coordination)

**Stack/tools: **

  • Software/programming: C/C++, VB/C#, Microsoft .NET, Python, statistical modeling tools; SQL (Microsoft SQL/MySQL)

  • Test/measurement: digital sampling oscilloscopes, TDR modules, 4-port network analyzers, bit error rate (BER) testers

  • Design/simulation (preferred): Mentor Graphics PADS, Cadence Allegro, Ansys HFSS, CST Microwave Studio

  • Documentation/analysis: Excel, Word, PowerPoint; Lean/Six Sigma tools; relational DBs

  • Top 3 responsibilities:

    • Develop/integrate software upgrades for automated high-speed test systems deployed across multiple manufacturing regions (China, Philippines, India, Mexico)

    • Perform high-speed electrical testing of cable assemblies (Ethernet, Infiniband, Fibre Channel, PCIe, SAS, SATA), analyze results, and conduct root cause/corrective action for rejected parts

    • Create/execute test plans and support global system verification/validation; maintain schedules/budgets and produce test/product documentation

  • Must-have skills:

    • Working knowledge of compiled languages (C/C++ or VB/C# with .NET) and Python

    • Test and measurement fundamentals; ability to apply programming concepts to solve technical problems

    • Strong written/verbal communication with global teams

    • High proficiency with analytical/documentation t

Full Description

PRIMARY PURPOSE: Perform electrical testing, high speed tester support used in the manufacturing of High Speed cable assemblies based on standards such as Ethernet, Infiniband, Fibre Channel, PCIe, SAS, SATA, etc. Integration of custom designed circuit boards and mechanical fixtures with off-the-shelf test equipment such as digital sampling oscilloscopes, TDR modules and network analyzers. Analyze test data using statistical modeling tools and perform root cause analysis of rejected parts.

DUTIES & RESPONSIBILITIES

Develop, integrate, and make software upgrades to high speed test systems used across multiple manufacturing regions including China, Philippines, Inida, Mexico. Must coordinate software development activities with design centers, including product development, manufacturing, marketing, quality, etc. Perform electrical testing of High Speed cable assemblies, analyze data, identify critical to quality aspects of product design and manufacturing process, perform root cause / corrective action analysis and write reports to summarize findings. Work closely with multifunctional teams to upgrade globally deployable automated production test systems for cable assembly products. Maintain records for project execution, schedule, and budget. System design includes activities such as mechanical fixture design, PCB design, hardware integration, software development, system documentation, performance testing and characterization, etc. Create and execute test plans, conduct software reviews, perform system verification and validation, analyze and resolve failure modes and document results. Create product and test system documentation, specifications and work instructions. Understand, support, and contribute to Molex TQM and Quality / Environmental Management Systems by following approved policies and procedures. Other duties as required by management.

SCOPE: Works individually and coordinates team efforts globally to complete projects with minimal supervision.

EDUCATION

REQUIRED

B. S. Degree in Engineering (Electrical/Mechanical/Systems/Computer) or B.S. Degree in an equivalent discipline

PREFERRED

M. S. Degree in Engineer (Electrical/Systems/Computer)

WORK EXPERIENCE

REQUIRED

<2 years experience in test and measurement.

PREFERRED

Minimum 2-5 years of progressive engineering experience with a strong understanding of product High Speed testing and designs.

SKILLS & ABILITIES

REQUIRED

Working knowledge with compiled programming languages such as C/C++ or VB/C# with the Microsoft .NET framework. Working knowledge with scripted programming languages such as Python. Ability to apply computer programming concepts to solve complex problems in a variety of programming environments. High proficiency using analytical tools such as Microsoft Word, Excel, Power Point and others as required. Strong verbal and written communication skills that demonstrate the ability to express complex technical concepts clearly and concisely with global teams. Analytical ability to apply logical reasoning, test assumptions, observe results and make corrections

PREFERRED

Extensive experience with RF/microwave test and measurement equipment such as digital sampling oscilloscopes, TDR modules, 4-port network analyzers, and bit error rate testers. Working knowledge of RF/microwave transmission line theory including s-parameters, Fourier transformers, characteristic impedance, eye diagrams, time-domain analysis, cross talk, bit error rate testing, jitter analysis, etc. Experience using relational databases with software such as Microsoft SQL or MySQL. RF/microwave circuit design and PCB layout with software such as Mentor Graphics PADS or Cadence Allegro. Exposure to advanced PCB fabrication methods. Electromagnetic simulation with software such as Ansys HFSS or CST Microwave Studio. Lean/six sigma yellow or green belt training. Understanding and application of control charts, process capability, gage R&R, and other lean/six sigma tools.

Automated Test SystemsC/C++Digital Sampling OscilloscopesHigh-Speed Electrical TestingLean/Six SigmaMicrosoft .NETNetwork AnalyzersPCB DesignPythonRF/Microwave TestingRoot Cause AnalysisStatistical ModelingSystem Verification and ValidationTDRTest and Measurement EquipmentVB/C#

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