Controls Software EngineerLocation: RemotePosition OverviewWe are seeking an experienced Controls Software Engineer to support a large-scale fleet of... Read more
Location: Remote
Position Overview
We 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 standards.Support industrial control platforms including CODESYS, Beckhoff TwinCAT, Allen-Bradley, and related technologies.Investigate machine faults, communication issues, and automation system performance concerns, performing root cause analysis and corrective actions.Improve system reliability through software enhancements, alarm optimization, code standardization, and continuous improvement initiatives.Support and troubleshoot industrial communication networks, including EtherNet/IP, EtherCAT, OPC UA, Modbus, and TCP/IP.Collaborate with software, controls, operations, maintenance, and engineering teams to maximize system uptime and efficiency.Develop technical documentation, support procedures, troubleshooting guides, and operational runbooks.Participate in incident response and on-call support activities as needed.Required Qualifications5+ years of experience in Controls Engineering, Industrial Automation, Software Engineering, or a related discipline.Hands-on experience with IEC 61131-3 programming environments such as CODESYS, Beckhoff TwinCAT, or similar PLC platforms.Strong Structured Text (ST) programming experience.Experience with Allen-Bradley PLCs, including ControlLogix, CompactLogix, and Studio 5000.Knowledge of industrial communication protocols including EtherNet/IP, EtherCAT, TCP/IP, OPC UA, and Modbus.Experience troubleshooting automated equipment, robotics, conveyors, material handling systems, or other industrial automation systems.Strong analytical, diagnostic, and root cause problem-solving skills.Experience utilizing system logs, alarms, telemetry, and remote access tools for troubleshooting.Preferred QualificationsExperience supporting deployed automation systems in a remote environment.Linux, SSH, and Industrial PC (IPC) experience.Experience working with large-scale automated operations or distributed automation networks.Python or scripting experience for diagnostics, automation, or data analysis.Familiarity with Git or other version control systems.Experience with cloud-based monitoring and observability platforms.Knowledge of machine vision systems, including Cognex, Keyence, or similar technologies.Understanding of manufacturing KPIs, OEE, PackML, production support, and alarm management best practices.GCS is acting as an Employment Business in relation to this vacancy.
Read lessSunnyvale, California, United States of AmericaContractRemote
Controls Software EngineerLocation: RemotePosition OverviewWe are seeking an experienced Controls Software Engineer to support a large-scale fleet of... Read more
Location: Remote
Position Overview
We 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 standards.Support industrial control platforms including CODESYS, Beckhoff TwinCAT, Allen-Bradley, and related technologies.Investigate machine faults, communication issues, and automation system performance concerns, performing root cause analysis and corrective actions.Improve system reliability through software enhancements, alarm optimization, code standardization, and continuous improvement initiatives.Support and troubleshoot industrial communication networks, including EtherNet/IP, EtherCAT, OPC UA, Modbus, and TCP/IP.Collaborate with software, controls, operations, maintenance, and engineering teams to maximize system uptime and efficiency.Develop technical documentation, support procedures, troubleshooting guides, and operational runbooks.Participate in incident response and on-call support activities as needed.Required Qualifications5+ years of experience in Controls Engineering, Industrial Automation, Software Engineering, or a related discipline.Hands-on experience with IEC 61131-3 programming environments such as CODESYS, Beckhoff TwinCAT, or similar PLC platforms.Strong Structured Text (ST) programming experience.Experience with Allen-Bradley PLCs, including ControlLogix, CompactLogix, and Studio 5000.Knowledge of industrial communication protocols including EtherNet/IP, EtherCAT, TCP/IP, OPC UA, and Modbus.Experience troubleshooting automated equipment, robotics, conveyors, material handling systems, or other industrial automation systems.Strong analytical, diagnostic, and root cause problem-solving skills.Experience utilizing system logs, alarms, telemetry, and remote access tools for troubleshooting.Preferred QualificationsExperience supporting deployed automation systems in a remote environment.Linux, SSH, and Industrial PC (IPC) experience.Experience working with large-scale automated operations or distributed automation networks.Python or scripting experience for diagnostics, automation, or data analysis.Familiarity with Git or other version control systems.Experience with cloud-based monitoring and observability platforms.Knowledge of machine vision systems, including Cognex, Keyence, or similar technologies.Understanding of manufacturing KPIs, OEE, PackML, production support, and alarm management best practices.
GCS is acting as an Employment Business in relation to this vacancy.
Read lessSan Francisco, California, United States of AmericaContractRemote
Controls Software EngineerPosition OverviewWe are seeking an experienced Controls Software Engineer to support a large-scale fleet of automated... Read more
We 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 standards.Support industrial control platforms including CODESYS, Beckhoff TwinCAT, Allen-Bradley, and related technologies.Investigate machine faults, communication issues, and automation system performance concerns, performing root cause analysis and corrective actions.Improve system reliability through software enhancements, alarm optimization, code standardization, and continuous improvement initiatives.Support and troubleshoot industrial communication networks, including EtherNet/IP, EtherCAT, OPC UA, Modbus, and TCP/IP.Collaborate with software, controls, operations, maintenance, and engineering teams to maximize system uptime and efficiency.Develop technical documentation, support procedures, troubleshooting guides, and operational runbooks.Participate in incident response and on-call support activities as needed.Required Qualifications5+ years of experience in Controls Engineering, Industrial Automation, Software Engineering, or a related discipline.Hands-on experience with IEC 61131-3 programming environments such as CODESYS, Beckhoff TwinCAT, or similar PLC platforms.Strong Structured Text (ST) programming experience.Experience with Allen-Bradley PLCs, including ControlLogix, CompactLogix, and Studio 5000.Knowledge of industrial communication protocols including EtherNet/IP, EtherCAT, TCP/IP, OPC UA, and Modbus.Experience troubleshooting automated equipment, robotics, conveyors, material handling systems, or other industrial automation systems.Strong analytical, diagnostic, and root cause problem-solving skills.Experience utilizing system logs, alarms, telemetry, and remote access tools for troubleshooting.Preferred QualificationsExperience supporting deployed automation systems in a remote environment.Linux, SSH, and Industrial PC (IPC) experience.Experience working with large-scale automated operations or distributed automation networks.Python or scripting experience for diagnostics, automation, or data analysis.Familiarity with Git or other version control systems.Experience with cloud-based monitoring and observability platforms.Knowledge of machine vision systems, including Cognex, Keyence, or similar technologies.Understanding of manufacturing KPIs, OEE, PackML, production support, and alarm management best practices.
GCS is acting as an Employment Business in relation to this vacancy.
Read lessSan Jose, California, United States of AmericaContractRemote
Senior Controls Software Engineer - CODESYS / TwinCATLocation: Redmond, WAWork Model: HybridExperience: 5+ YearsJob OverviewWe are seeking a... Read more
Location: Redmond, WA
Work Model: Hybrid
Experience: 5+ Years
We 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 networks.Develop fault detection, recovery, startup, shutdown, and equipment-state logic.Test and debug control applications using real industrial hardware.Read electrical schematics and control drawings.Support application deployment and commissioning.Participate in Git-based development and code reviews.Required QualificationsBachelor's degree in Engineering, Computer Science, Mechatronics, or related field.5+ years of industrial automation or controls software experience.Hands-on CODESYS V3 or Beckhoff TwinCAT experience.Strong IEC 61131-3 Structured Text skills.Experience with state-machine architecture and CASE statements.Experience developing reusable Function Blocks.Understanding of PLC object-oriented programming.Experience with EtherCAT and industrial hardware.Experience with Git and software development practices.PreferredConveyor or material-handling experience.Warehouse or packaging automation.IO-Link experience.Linux-based Industrial PCs.JSON configuration.Experience with commissioning and deployment.C++ or Rust exposure.
GCS is acting as an Employment Business in relation to this vacancy.
Read lessRedmond, Washington, United States of AmericaContract
Senior Controls Engineer - Industrial Automation SoftwareLocation: Renton, WAWork Model: HybridExperience: 5+ YearsAbout the RoleWe are hiring a... Read more
Location: Renton, WA
Work Model: Hybrid
Experience: 5+ Years
We 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 logic.Apply object-oriented design principles to control software.Integrate motors, drives, sensors, photo-eyes, actuators, and other field devices.Configure and troubleshoot EtherCAT networks.Test control software in engineering and lab environments.Analyze electrical schematics and control drawings.Troubleshoot hardware/software integration issues.Support commissioning and deployment activities.Work with Git and modern software-development practices.Required QualificationsBachelor's degree in Controls, Electrical, Computer, Mechanical, Mechatronics Engineering, Computer Science, or related discipline.5+ years of industrial controls or automation software experience.CODESYS V3 or Beckhoff TwinCAT.Strong IEC 61131-3 Structured Text programming.State-machine and CASE-statement programming experience.PLC Function Block development.Object-oriented programming concepts.EtherCAT communication experience.Industrial automation hardware integration.Ability to read electrical schematics.Experience with Git/source control.Preferred QualificationsConveyor and sortation systems.Material-handling or warehouse automation.High-speed automation.IO-Link.Linux Industrial PCs.JSON configuration.Commissioning experience.C++ or Rust experience.
GCS is acting as an Employment Business in relation to this vacancy.
Read lessRenton, Washington, United States of AmericaContract
Are you a software engineer who likes your code to move real machines? A major name in robotics... Read more
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 is real software-engineering ability paired with hands-on experience around machines, motion, and hardware.
What you'll work on
Hunting down and fixing bugs and faults in control software running across a large fleet of deployed machinesPushing rate and throughput improvements through the servo, motion, and state-management layersGetting hands-on with hardware in the lab - servos, drives, sensors, vision, and conveyanceTracing problems through telemetry, logs, and alarms, and owning fixes from root cause to rolloutWriting the change documentation and runbooks that keep fleet-wide deployments safeThe live system is written in Structured Text (CODESYS) on Linux-based industrial PCs, with a move to modern C++ already in flight. It's a big, established codebase - strong software instincts matter as much as controls knowledge.
The two things that really matter
Genuine controls experience - you've written software that drives physical hardware: machine control, motion/servo, robotics, or embedded real-time systems.Strong software development in a modern lower-level language - C, C++, Rust, or Structured Text - with the discipline to work cleanly inside a large, mature codebase.Nice to have
Structured Text on any platform (CODESYS, TwinCAT, Allen-Bradley, Siemens)Embedded, real-time, or industrial software backgroundMotion/servo control, robotics, or pick-and-place / Cartesian workcell experienceSystem-level Linux; EtherCAT or other industrial fieldbusExperience keeping production or large-scale systems runningLevel
Open from strong mid-level engineers (3-5 years) who can own their work, through to seasoned engineers ready to plug straight in. The blend of controls exposure and software ability is what counts - not a specific title.
GCS is acting as an Employment Business in relation to this vacancy.
Read lessReading, Massachusetts, United States of AmericaContract
A leading robotics and automation organization is seeking a Controls Software Engineer to join the team behind one... Read more
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 is a rare chance to do deep, high-impact work at extraordinary scale.
The Role
As a Controls Software Engineer, you'll support and improve the control software running across the deployed robotic fleet:
Investigate and resolve bugs and faults in the deployed control application across a large fleet of machinesDrive rate and throughput improvements across the servo control, motion orchestration, and state-handling layersWork hands-on with real hardware in the lab - servos, drives, sensors, vision systems, and conveyanceDiagnose issues from telemetry, logs, and alarm history; take fixes from root cause through to deploymentAuthor change documentation and runbooks, and align stakeholders before fleet-wide rolloutsThe deployed application is written in Structured Text (CODESYS) on Linux-based industrial PCs, with a parallel migration into modern C++ underway. The codebase is large and mature - success here is as much about strong software-engineering instincts as it is about controls.
What We're Looking For (Non-Negotiables)
Real controls experience - hands-on work with industrial control systems, machine control, motion/servo, robotics, or embedded real-time automationA firm grasp of software development in a modern, lower-level language - ideally C, C++, Rust, or Structured TextThe ability to navigate and contribute to a large, mature codebase with strong software-engineering disciplineWillingness to work on-site in Seattle or BostonImportant: CODESYS and Structured Text are not strict requirements. Most of the team came from C/C++ backgrounds and picked up CODESYS on the job. If you have strong lower-level software skills and genuine controls or automation experience, you're in scope - the Structured Text can be learned on the job.
Strongly Preferred
Structured Text on any platform - CODESYS, TwinCAT, Allen-Bradley, SiemensEmbedded, real-time, or industrial software experienceServo/motion control, robotics, or Cartesian / pick-and-place workcell backgroundLinux at the system level; EtherCAT or industrial fieldbus experienceExperience supporting production or fleet-scale systemsExperience Level
Open to strong mid-level engineers (3-5 years) who can own and deliver, through to senior engineers who can plug in immediately. What matters is the combination of real controls exposure and genuine software-engineering ability.
GCS is acting as an Employment Business in relation to this vacancy.
Read lessKirkland, Washington, United States of AmericaContract
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