PLC Controls Engineer (CODESYS, Onsite Travel)

Amazon Web Services (AWS); Seattle (WA); On-site; USD 99,000 - 160,000; Full time

Job summary

Amazon Data Services, Inc. is seeking a Systems Development Engineer (SysDE) to join our Electrical Controls development team.

You will design, deploy, and scale control software for AWS data centers on the CODESYS platform, bridging software and physical infrastructure, and enabling reliable power distribution. The role involves occasional on-site travel, collaboration with multiple engineering teams, and ensuring safety and efficiency across installations.

Qualifications

• Experience programming with at least one modern language such as C++, C#, Java, Python, Golang, PowerShell, Ruby
• Experience tools for automation (building, testing, releasing or monitoring)
• Bachelor's degree or above in Computer Science, Computer Engineering, Systems Engineering, Electrical Engineering, or other related discipline

Responsibilities

• Design, develop, and maintain mechanical control systems software on the CODESYS (IEC 61131-3) PLC platform for AWS data center infrastructure.
• Develop and refine control logic, function blocks, and Sequences of Operations (SOO) to meet performance and reliability requirements across varied site types and equipment vendors.
• Perform triage, root-cause analysis, and remediation of control system issues.
• Support first-of-kind builds — the first field deployment of a newly developed controller component — including occasional on-site travel to provide real-time break/fix support.
• Partner with other electrical controls product development, Controls Design Engineering, Field Engineering, and other Data Center Engineering teams to develop the next generation of controllers.
• Document control system designs, configurations, and sequences of operation.
• Participate in design reviews and contribute to continuous improvement of controls development standards and tooling.
• Provide escalation support for critical control system issues.

Skills

Programming languages

Education

Bachelor's degree in CS/Engineering

Tools

Automation tools

Job description

Amazon Data Services, Inc. is seeking a Systems Development Engineer (SysDE) to join our Electrical Controls development team.

You will design, deploy, and scale control software for AWS data centers on the CODESYS platform, bridging software and physical infrastructure, and enabling reliable power distribution. The role involves occasional on-site travel, collaboration with multiple engineering teams, and ensuring safety and efficiency across installations.