Senior Controls Engineer: Master Industrial Automation

GCS Recruitment; Renton (WA); Hybrid; USD 110,000 - 170,000; Full time

Job summary

GCS Recruitment is seeking a Senior Controls Engineer to develop PLC software for automated material-handling and machine-control systems. The role emphasizes Beckhoff TwinCAT or CODESYS, IEC 61131-3 Structured Text, and integration with real-world industrial equipment.

The candidate will build reusable function blocks, state-machine sequences, and safety logic while coordinating with hardware and field devices.

Qualifications

• Bachelor's degree required in controls, electrical, computer, mechanical, mechatronics engineering, CS or related field.
• 5+ years of industrial controls or automation software experience.
• CODESYS V3 or Beckhoff TwinCAT experience; IEC 61131-3 Structured Text programming.

Responsibilities

• Develop and maintain PLC/control software for material-handling and machine-control systems.
• Write reusable IEC 61131-3 Structured Text code.
• Develop state-machine-based machine sequences.
• Configure and troubleshoot EtherCAT networks and hardware integration.
• Work with Git and modern software-development practices.

Skills

Structured Text

State-machine design

Object-oriented design

CASE statements

Education

Bachelor's degree in Controls, Electrical, Computer, Mechanical, Mechatronics Engineering, Computer Science, or related discipline

Tools

CODESYS V3

Beckhoff TwinCAT

EtherCAT

Git

Industrial automation hardware integration

Job description

GCS Recruitment is seeking a Senior Controls Engineer to develop PLC software for automated material-handling and machine-control systems. The role emphasizes Beckhoff TwinCAT or CODESYS, IEC 61131-3 Structured Text, and integration with real-world industrial equipment.

The candidate will build reusable function blocks, state-machine sequences, and safety logic while coordinating with hardware and field devices.