Senior Controls Software Engineer - CODESYS / TwinCAT

CODESYS Controls Software Developer

Added 26/05/2026

JOB DESCRIPTIONWe are looking for a skilled Controls Software Engineer with CODESYS expertise to design, maintain, and optimize control systems within industrial automation environments. This role involves working on production-grade systems, improving reliability, and supporting performance at scale.ResponsibilitiesDevelop, debug, and maintain control logic using CODESYS (IEC 61131-3)Troubleshoot system issues using logs, telemetry, and diagnostics toolsOptimize motion control and overall system performanceTest and validate software on industrial hardware platformsProduce technical documentation, change records, and user guidesCollaborate with cross-functional teams for deployment and system improvementsRequirementsStrong experience with CODESYS and structured text programmingKnowledge of industrial automation, PLCs, and control systemsExperience with hardware integration...

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...

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...

Controls Software Engineer - Robotics & Automation

Added 15/06/2026

Are you a software engineer who likes your code to move real machines? A major name in robotics and automation is building out the team behind one of the largest robotic deployments anywhere - thousands of automated workcells running across high-volume operations - and is looking for a Controls Software Engineer to help keep that fleet fast, stable, and improving.This isn't a traditional PLC seat. It's a software role that happens to live in a controls world. Most of the team came up through C and C++ and learned the control platform on the job - so what matters here...

Controls Software Engineer - C/C++ / Structured Text

Added 15/06/2026

A leading robotics and automation organization is seeking a Controls Software Engineer to join the team behind one of the largest industrial robotics deployments in the world - a fleet of advanced robotic pick-and-place workcells operating across automated fulfillment sites, scaling from over 1,000 machines today to several thousand in the next two years.This is a software-engineering role in a controls environment - not a traditional PLC position. The team is built largely of engineers from C/C++ software backgrounds who work hands-on with real industrial control hardware. If you pair genuine software-development ability with real controls or automation experience, this...

Codesys Engineer

Added 14/05/2026

We are seeking an experienced CODESYS Controls Developer to support a large-scale industrial robotics fleet (1,000+ machines, scaling to 5,000+). You will work within a mature control architecture to improve system reliability, resolve field issues, and enhance performance of high-throughput robotic workcells.Key ResponsibilitiesDiagnose and resolve bugs in deployed CODESYS applications across a global fleetPerform root-cause analysis using telemetry, logs, and operational dataImprove system performance (servo control, motion orchestration, throughput)Develop, test, and validate code on physical hardware (servos, drives, sensors)Produce technical documentation (MCMs, runbooks, troubleshooting guides)Support deployment readiness and stakeholder approvals for fleet-wide updatesRequired Skills5+ years of CODESYS development experienceStrong IEC...

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...