Senior Controls Software Engineer - CODESYS / TwinCAT

Added 01/09/2026

Senior Controls Software Engineer - CODESYS / TwinCATLocation: Redmond, WAWork Model: HybridExperience: 5+ YearsJob OverviewWe are seeking a Senior Controls Software Engineer to develop scalable software for advanced industrial automation and material-handling systems.The ideal candidate will have strong hands-on experience with CODESYS V3 or Beckhoff TwinCAT, IEC 61131-3 Structured Text, state-machine programming, and industrial hardware integration.Key ResponsibilitiesDevelop machine-control software using CODESYS V3 or Beckhoff TwinCAT.Program reusable Function Blocks and libraries using Structured Text.Develop CASE-based state machines for machine sequencing and equipment control.Apply object-oriented programming principles to PLC software.Integrate motors, drives, sensors, actuators, photo-eyes, and other automation devices.Configure and troubleshoot EtherCAT...

Codesys Controls Engineer

Added 12/08/2026

Controls EngineerJob Title: Controls Engineer Location: Sunnyvale, CA Duration: 12+ MONTHSOverviewWe are seeking a highly motivated Controls Engineer to support the design, development, implementation, and optimization of industrial automation systems. The ideal candidate will have experience with PLC programming, HMI/SCADA development, industrial networking, system integration, and commissioning within manufacturing or process control environments.ResponsibilitiesDesign, program, and troubleshoot PLC control systems using platforms such as Allen-Bradley, Siemens, or CODESYS.Develop and maintain HMI and SCADA applications for monitoring and controlling automated processes.Configure and integrate industrial communication protocols including EtherNet/IP, Modbus TCP/RTU, OPC UA, and Profinet.Create control strategies, interlocks, alarms, and sequences of operation...

Senior Automation Software Engineer - PLC / CODESYS

Added 01/09/2026

Senior Automation Software Engineer - PLC / CODESYSLocation: Kirkland, WAWork Model: HybridExperience: 5+ YearsPosition SummaryWe are looking for a Senior Automation Software Engineer with a strong background in PLC and machine-control software development.This engineer will build modular, reusable control applications for automated equipment and high-throughput material-handling systems. The position combines software engineering with industrial controls, making it ideal for someone who enjoys developing software while working directly with physical automation hardware.ResponsibilitiesDesign and develop control applications using CODESYS V3 or Beckhoff TwinCAT.Develop production-quality Structured Text programs following IEC 61131-3 standards.Create modular Function Blocks and reusable software libraries.Design machine sequencing using state...

Codesys Developer

Added 14/05/2026

The OMHS Automation Integration Technologies (AIT) team is building a greenfield, standardized conveyance control platform for next‑generation fulfillment centers. This role focuses on developing production‑ready CODESYS control software deployed at scale across large material‑handling facilities, using Linux‑based IPCs and EtherCAT.This is a hands‑on controls software role, contributing directly to a new, modular automation architecture rather than retrofitting legacy systems.Key ResponsibilitiesDevelop modular CODESYS control software using IEC 61131‑3 (Structured Text & Function Blocks)Build reusable device abstraction libraries ("Lego Blocks") for motors, drives, sensors, actuators, and I/OAssemble control area applications ("Lego Sets") for conveyance units such as merges, diverts, and sortation zonesPerform...

Codesys Developer

Added 14/05/2026

The OMHS Automation Integration Technologies (AIT) team is building a greenfield, standardized conveyance control platform for next‑generation fulfillment centers. This role focuses on developing production‑ready CODESYS control software deployed at scale across large material‑handling facilities, using Linux‑based IPCs and EtherCAT.This is a hands‑on controls software role, contributing directly to a new, modular automation architecture rather than retrofitting legacy systems.Key ResponsibilitiesDevelop modular CODESYS control software using IEC 61131‑3 (Structured Text & Function Blocks)Build reusable device abstraction libraries ("Lego Blocks") for motors, drives, sensors, actuators, and I/OAssemble control area applications ("Lego Sets") for conveyance units such as merges, diverts, and sortation zonesPerform...

Codesys Developer

Added 14/05/2026

The OMHS Automation Integration Technologies (AIT) team is building a greenfield, standardized conveyance control platform for next‑generation fulfillment centers. This role focuses on developing production‑ready CODESYS control software deployed at scale across large material‑handling facilities, using Linux‑based IPCs and EtherCAT.This is a hands‑on controls software role, contributing directly to a new, modular automation architecture rather than retrofitting legacy systems.Key ResponsibilitiesDevelop modular CODESYS control software using IEC 61131‑3 (Structured Text & Function Blocks)Build reusable device abstraction libraries ("Lego Blocks") for motors, drives, sensors, actuators, and I/OAssemble control area applications ("Lego Sets") for conveyance units such as merges, diverts, and sortation zonesPerform...

Codesys Developer

Added 14/05/2026

The OMHS Automation Integration Technologies (AIT) team is building a greenfield, standardized conveyance control platform for next‑generation fulfillment centers. This role focuses on developing production‑ready CODESYS control software deployed at scale across large material‑handling facilities, using Linux‑based IPCs and EtherCAT.This is a hands‑on controls software role, contributing directly to a new, modular automation architecture rather than retrofitting legacy systems.Key ResponsibilitiesDevelop modular CODESYS control software using IEC 61131‑3 (Structured Text & Function Blocks)Build reusable device abstraction libraries ("Lego Blocks") for motors, drives, sensors, actuators, and I/OAssemble control area applications ("Lego Sets") for conveyance units such as merges, diverts, and sortation zonesPerform...

Codesys Developer

Added 14/05/2026

The OMHS Automation Integration Technologies (AIT) team is building a greenfield, standardized conveyance control platform for next‑generation fulfillment centers. This role focuses on developing production‑ready CODESYS control software deployed at scale across large material‑handling facilities, using Linux‑based IPCs and EtherCAT.This is a hands‑on controls software role, contributing directly to a new, modular automation architecture rather than retrofitting legacy systems.Key ResponsibilitiesDevelop modular CODESYS control software using IEC 61131‑3 (Structured Text & Function Blocks)Build reusable device abstraction libraries ("Lego Blocks") for motors, drives, sensors, actuators, and I/OAssemble control area applications ("Lego Sets") for conveyance units such as merges, diverts, and sortation zonesPerform...

Codesys Developer

Added 14/05/2026

The OMHS Automation Integration Technologies (AIT) team is building a greenfield, standardized conveyance control platform for next‑generation fulfillment centers. This role focuses on developing production‑ready CODESYS control software deployed at scale across large material‑handling facilities, using Linux‑based IPCs and EtherCAT.This is a hands‑on controls software role, contributing directly to a new, modular automation architecture rather than retrofitting legacy systems.Key ResponsibilitiesDevelop modular CODESYS control software using IEC 61131‑3 (Structured Text & Function Blocks)Build reusable device abstraction libraries ("Lego Blocks") for motors, drives, sensors, actuators, and I/OAssemble control area applications ("Lego Sets") for conveyance units such as merges, diverts, and sortation zonesPerform...

Codesys Developer

Added 14/05/2026

The OMHS Automation Integration Technologies (AIT) team is building a greenfield, standardized conveyance control platform for next‑generation fulfillment centers. This role focuses on developing production‑ready CODESYS control software deployed at scale across large material‑handling facilities, using Linux‑based IPCs and EtherCAT.This is a hands‑on controls software role, contributing directly to a new, modular automation architecture rather than retrofitting legacy systems.Key ResponsibilitiesDevelop modular CODESYS control software using IEC 61131‑3 (Structured Text & Function Blocks)Build reusable device abstraction libraries ("Lego Blocks") for motors, drives, sensors, actuators, and I/OAssemble control area applications ("Lego Sets") for conveyance units such as merges, diverts, and sortation zonesPerform...

Codesys Developer

Added 14/05/2026

The OMHS Automation Integration Technologies (AIT) team is building a greenfield, standardized conveyance control platform for next‑generation fulfillment centers. This role focuses on developing production‑ready CODESYS control software deployed at scale across large material‑handling facilities, using Linux‑based IPCs and EtherCAT.This is a hands‑on controls software role, contributing directly to a new, modular automation architecture rather than retrofitting legacy systems.Key ResponsibilitiesDevelop modular CODESYS control software using IEC 61131‑3 (Structured Text & Function Blocks)Build reusable device abstraction libraries ("Lego Blocks") for motors, drives, sensors, actuators, and I/OAssemble control area applications ("Lego Sets") for conveyance units such as merges, diverts, and sortation zonesPerform...

Controls Software Engineer

Added 01/09/2026

Controls Software EngineerLocation: RemotePosition OverviewWe are seeking an experienced Controls Software Engineer to support a large-scale fleet of automated industrial systems operating in a high-availability production environment. This role focuses on remote troubleshooting, controls software support, system reliability, and operational performance improvements for deployed automation equipment.The ideal candidate combines strong industrial automation expertise with software development and diagnostic capabilities, enabling them to identify, analyze, and resolve complex controls and system performance issues.Key ResponsibilitiesTroubleshoot and resolve production system issues remotely using alarms, system logs, telemetry, and PLC diagnostic tools.Develop, modify, test, and maintain PLC software utilizing Structured Text and IEC 61131-3...

Controls Software Engineer

Added 01/09/2026

Controls Software EngineerLocation: RemotePosition OverviewWe are seeking an experienced Controls Software Engineer to support a large-scale fleet of automated industrial systems operating in a high-availability production environment. This role focuses on remote troubleshooting, controls software support, system reliability, and operational performance improvements for deployed automation equipment.The ideal candidate combines strong industrial automation expertise with software development and diagnostic capabilities, enabling them to identify, analyze, and resolve complex controls and system performance issues.Key ResponsibilitiesTroubleshoot and resolve production system issues remotely using alarms, system logs, telemetry, and PLC diagnostic tools.Develop, modify, test, and maintain PLC software utilizing Structured Text and IEC 61131-3...

Controls Software Engineer

Added 01/09/2026

Controls Software EngineerPosition OverviewWe are seeking an experienced Controls Software Engineer to support a large-scale fleet of automated industrial systems operating in a high-availability production environment. This role focuses on remote troubleshooting, controls software support, system reliability, and operational performance improvements for deployed automation equipment.The ideal candidate combines strong industrial automation expertise with software development and diagnostic capabilities, enabling them to identify, analyze, and resolve complex controls and system performance issues.Key ResponsibilitiesTroubleshoot and resolve production system issues remotely using alarms, system logs, telemetry, and PLC diagnostic tools.Develop, modify, test, and maintain PLC software utilizing Structured Text and IEC 61131-3 programming...

Senior Controls Engineer - Industrial Automation Software

Added 01/09/2026

Senior Controls Engineer - Industrial Automation SoftwareLocation: Renton, WAWork Model: HybridExperience: 5+ YearsAbout the RoleWe are hiring a Senior Controls Engineer with strong software development experience to support advanced automated material-handling and machine-control systems.The successful candidate will develop reusable PLC software and integrate control applications with real-world industrial equipment. Strong experience with Beckhoff TwinCAT or CODESYS, Structured Text, EtherCAT, and state-machine design is highly valued.What You'll DoDevelop and maintain PLC/control software using CODESYS V3 or Beckhoff TwinCAT.Write structured, reusable IEC 61131-3 Structured Text code.Build reusable Function Blocks and control libraries.Develop state-machine-based machine sequences.Implement equipment startup, shutdown, fault, recovery, and safety...