Senior Software Engineer - Industrial Controls (CODESYS/TwinCAT)
Location: Seattle/Bellevue, WA | Hybrid
Amazon is looking for a hands-on Controls Software Engineer to develop the software platform behind its next-generation warehouse automation systems.
In this role, you'll design and deploy reusable control software using CODESYS V3 , develop robust state-machine based control logic , integrate real-world automation hardware, and help scale a modular platform across Amazon's global fulfillment network.
What We're Looking For:
- 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
- 5+ years building production machine control systems
Bonus Experience:
- Conveyor, robotics, warehouse automation, or material handling systems
- IO-Link integration
- JSON/configuration-driven applications
- Electrical drawings and commissioning support
Ideal Candidate: A controls engineer who naturally thinks in state machines, understands industrial hardware, asks the right technical questions before coding, and can build scalable software for high-throughput automation environments.
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