Manufacturing Engineer

Job Title:

Manufacturing Engineer – Automated Assembly Line

Location:

Houston, TX (On-site)

Company:
Yinlun TDI LLC

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Yinlun TDI LLC is a leading provider of advanced thermal management solutions for the U.S. automotive, commercial truck, and off highway markets. Following the acquisition by Zhejiang Yinlun Co., Ltd., Yinlun TDI has further strengthened its engineering expertise and manufacturing capabilities in the United States.

Headquartered in Houston, TX, Yinlun TDI LLC maintains sales and engineering facilities in California, Michigan, and Illinois. With strong support from our parent company, we are well positioned for continued growth across conventional heat exchangers, hybrid, electric vehicle (EV), and autonomous driving sectors.

Yinlun TDI LLC is an ISO 14001 and IATF 16949 certified manufacturer of heat exchangers and fluid cooling components for automotive, commercial truck, bus, and industrial markets.

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We are seeking a Manufacturing Engineer to support automated production lines with a strong focus on electrical systems, sensors, HMI interfaces, and field devices. This role is responsible for ensuring equipment reliability, minimizing downtime, and supporting stable production operations through hands‑on troubleshooting, process optimization, and continuous improvement initiatives.

The engineer will work closely with production, maintenance, and controls teams to support automated assembly systems including sensors, PLC‑related systems, HMIs, and electrical control components.

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• Support daily operation of automated production lines to achieve safety, quality, and production targets
• Diagnose and troubleshoot industrial sensors including photoelectric, proximity, pressure, temperature, and flow sensors, ensuring proper alignment, calibration, and signal stability
• Troubleshoot wiring systems, connectors, and I/O signals within 24
  
  VDC control systems, and support replacement or configuration of field devices
• Support HMI systems by resolving alarms, communication issues, and display errors, and assist operators in identifying faults through system diagnostics
• Perform troubleshooting and support for electrical components including control panels, relays, circuits, and power distribution systems (24
  
  VDC, 120
  
  VAC, 480
  
  VAC)
• Interpret electrical schematics, wiring diagrams, and panel layouts to support root cause analysis and equipment repair
• Respond to production line stoppages, perform structured fault isolation, and support line startup and recovery
• Conduct root cause analysis for equipment downtime, quality issues, and process instability, and implement corrective actions
• Develop and support preventive maintenance activities focused on sensors, wiring, and control systems to improve equipment reliability
• Support basic PLC troubleshooting including I/O checks, signal verification, and fault monitoring, and coordinate with controls engineers when needed
• Analyze production and equipment data to identify improvement opportunities in cycle time, uptime, and yield
• Lead or support continuous improvement initiatives using Lean Manufacturing or Six Sigma methodologies
• Maintain accurate documentation including troubleshooting records, maintenance logs, and process updates
• Collaborate cross‑functionally with production, quality, maintenance, and engineering teams

• Bachelor’s degree in Electrical Engineering, Mechanical Engineering, Manufacturing Engineering, Mechatronics, Industrial Engineering, or a related field

• 3+ years of experience in manufacturing engineering or automated production environments
• Hands‑on experience with electrical systems, sensors, and automation equipment in industrial settings

• Strong hands‑on experience with industrial sensors and field devices
• Ability to troubleshoot 24
  
  VDC control circuits and I/O systems
• Proficiency in reading electrical schematics and wiring diagrams
• Familiarity with HMI systems and operator interface diagnostics
• Basic knowledge of PLC systems…