Senior Controls Software Engineer — CODESYS/TwinCAT

GCS Recruitment; Seattle (WA); Hybrid; USD 140,000 - 190,000; Full time

Job summary

Amazon is seeking a hands-on Controls Software Engineer to develop the software platform behind its next-generation warehouse automation systems. You will design and deploy reusable control software using CODESYS V3, develop robust state-machine based control logic, and integrate industrial hardware across fulfillment sites.

Ideal candidate has 5+ years building production machine control systems, deep experience with CODESYS V3 or TwinCAT, Structured Text, and EtherCAT integration.

Qualifications

• 5+ years building production machine control systems.
• Strong CODESYS V3 or Beckhoff TwinCAT experience.
• Expert-level Structured Text programming.
• State machine architecture and machine sequencing expertise.
• Object-oriented PLC development experience.
• EtherCAT hardware integration experience.

Responsibilities

• Design and deploy reusable control software for warehouse automation.
• Develop robust state-machine based control logic and integrate hardware.
• Scale modular platform across global fulfillment network.
• Collaborate with hardware and software teams to improve reliability.

Skills

State machine design

Object-oriented PLC development

Industrial automation knowledge

Tools

CODESYS V3

Beckhoff TwinCAT

EtherCAT

Structured Text

Job description

Amazon is seeking a hands-on Controls Software Engineer to develop the software platform behind its next-generation warehouse automation systems. You will design and deploy reusable control software using CODESYS V3, develop robust state-machine based control logic, and integrate industrial hardware across fulfillment sites.

Ideal candidate has 5+ years building production machine control systems, deep experience with CODESYS V3 or TwinCAT, Structured Text, and EtherCAT integration.