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Role Overview

Develop CODESYS-based machine control logic on Linux industrial PCsBuild standardized device abstraction layers for motors, drives, sensors, actuators, and I/OAssemble reusable control components for conveyors, merges, diverts, and sortation systemsPerform lab-based hardware integration and controls validation in the Bellevue, WA labMature software from prototype through production releaseCreate technical documentation, runbooks, and handoff materialsProvide engineering support for the first 1-2 deployments, then transition to deployment teams

Required Skills & Experience

5+ years of hands-on CODESYS development (mandatory)Strong IEC 61131-3 Structured Text and Function Block programmingExperience with modular, layered PLC/controls architecturesBackground in industrial automation (material handling, conveyance, sortation, manufacturing)Hands-on integration of motors, drives, sensors, actuators, and I/OFieldbus experience: EtherCAT (primary), EtherNet/IP, ProfinetFamiliarity with Linux-based industrial PCsSoftware development discipline: Git, version control, code reviews, structured testing

Important:
TwinCAT / Beckhoff-only experience will not be considered. This role requires direct CODESYS expertise.

Work Model & Travel Expectations

Hybrid work preferred for candidates based in the Seattle/Bellevue area, with regular lab presenceRemote US-based candidates are accepted due to CODESYS skill scarcityPeriodic travel is required for lab-based integration testing and early deploymentsOnsite support is required for the first 1-2 deployments of each new control areaTravel is planned in advance and fully covered

This role is well-suited for engineers who enjoy building product-quality controls software, working within a defined architecture, and contributing to a platform deployed at global scale.

If you are interested, please reply to this email or contact me directly to discuss next steps.

GCS is acting as an Employment Business in relation to this vacancy.

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Graduate Controls & Automation Engineer

Are you a recent graduate looking to build a career in automation, controls, and robotics? We are seeking motivated engineers with a passion for problem-solving and technology to join a structured training programme focused on developing the next generation of Controls & Automation Engineers.

What You'll Do

Learn and develop skills in industrial automation, controls systems, and PLC programming.Work with automated equipment, sensors, motors, robotics, and control systems.Support the design, testing, troubleshooting, and deployment of automation solutions.Develop coding and software development skills used within modern engineering environments.Collaborate with experienced engineers on real-world automation projects.

What We're Looking For

Recent graduate (2022-2026) in:Electrical EngineeringElectrical Engineering TechnologyMechatronics EngineeringRobotics EngineeringElectromechanical EngineeringRelated Engineering DisciplineExposure to programming through coursework, projects, internships, or personal learning using technologies such as:PythonC/C++MATLABArduinoRaspberry PiPLCs or Ladder LogicInterest in automation, controls, robotics, and hardware systems.Strong analytical thinking and problem-solving skills.A curious mindset and willingness to learn new technologies.

Nice to Have

PLC or automation coursework/projects.Ability to read electrical schematics.Experience with robotics, sensors, motors, or control systems.Internship, co-op, laboratory, or hands-on engineering project experience.

What You'll Receive

Structured training in Controls & Automation Engineering.Exposure to PLC programming, industrial automation, robotics, and engineering best practices.Ongoing mentorship and professional development.The opportunity to work on large-scale automation and control system projects.

No prior professional controls or PLC experience is required. We are looking for engineers with strong foundations, curiosity, and a desire to build a career in automation and controls engineering.

Regards

Aditi Rathod

GCS is acting as an Employment Business in relation to this vacancy.

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Automation Controls Engineer (PLC Programming)

About the Opportunity
We're launching a brand new fiber optic connector product built for the growing demand from AI data centers, and our automation team is building the equipment to make it. We design, build and program our own custom machines in house. Several new machines are fully built and ready for their control software, and we need an experienced controls engineer to bring them to life. If you enjoy writing code from a blank page and seeing a machine run for the first time, this role is for you.

Your Responsibilities
Develop new PLC programs from the ground up in Allen Bradley Studio 5000, using ladder logic and structured text
Program control software in Python on machines built around Python based platforms
Design operator HMI screens (ProFace) for running, monitoring and troubleshooting equipment
Set up and tune servo axes, multi axis motion and Epson robot programs
Bring Keyence vision systems, sensors and IO together into complete machine logic
Build and update electrical schematics, IO lists and control panel layouts
Take machines through FAT, commissioning and debug, managing code revisions along the way
Work side by side with mechanical and vision engineers in a collaborative, whiteboard driven team

What We're Looking For
A track record of writing PLC programs from scratch for new equipment, not just maintaining existing code
Bachelor's degree in Electrical, Controls or Mechatronics Engineering, or a related field
5+ years of hands on industrial automation or machine controls experience
Strong Allen Bradley Studio 5000 skills. Experience with Beckhoff, Siemens or CODESYS is also welcome
Background in HMI development, motion control and robot integration
Familiarity with EtherNet/IP, PROFINET, EtherCAT, Modbus or OPC UA
Understanding of machine safety and electrical safety standards (OSHA, NFPA 70E)

Bonus Points
Python for machine control or test automation
Experience with ProFace HMIs, Keyence vision or Epson robots
System integrator or machine builder background
Electrical CAD experience (SolidWorks Electrical or similar)

Why You'll Like It Here
This is true greenfield work. You'll own complete machines from first line of code through production, on a new product line with years of roadmap ahead, and work alongside a hands on team that values curiosity and collaboration.

GCS is acting as an Employment Business in relation to this vacancy.

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Automation Controls Engineer

Job Title: Automation Controls Engineer
Location: San Fransico, CA
Duration: 12+ months Contract

Overview

We are seeking a highly motivated Automation 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 for automated equipment.Support system commissioning, FAT/SAT activities, startup, and production deployment.Collaborate with electrical, mechanical, and operations teams to deliver automation projects.Develop technical documentation including functional specifications, test plans, and operating procedures.Perform root cause analysis and provide ongoing troubleshooting and support for control systems.Assist with system upgrades, migrations, and process improvement initiatives.Required QualificationsBachelor's degree in Electrical Engineering, Controls Engineering, Automation Engineering, or related field, or equivalent experience.3+ years of experience in industrial automation and controls engineering.Hands-on experience programming PLCs using Allen-Bradley Studio 5000, Siemens TIA Portal, or CODESYS.Experience with SCADA/HMI platforms such as Ignition, FactoryTalk View, WinCC, or Wonderware.Knowledge of industrial networks and communication protocols.Strong troubleshooting and problem-solving skills.Ability to read and interpret electrical schematics, P&IDs, and technical drawings.Willingness to travel for commissioning and site support as needed.Preferred QualificationsExperience with motion control, VFDs, servo systems, and safety PLCs.Knowledge of MES, IIoT, and cloud-based industrial technologies.Experience with Python, SQL, or other scripting languages.Familiarity with Git version control and software development best practices.Exposure to material handling, warehouse automation, food & beverage, pharmaceutical, or manufacturing environments.

GCS is acting as an Employment Business in relation to this vacancy.

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Controls Automation Engineer

Our client is seeking a Controls Engineer to support the development of next-generation material handling and conveyance control systems. This role involves designing and developing machine control software, integrating industrial hardware, and supporting deployment of large-scale automation solutions.

Key Requirements5+ years of experience in industrial automation, controls engineering, or machine control developmentStrong PLC programming experience using IEC 61131-3 Structured TextExperience with Beckhoff TwinCAT, Allen-Bradley, Siemens, or similar PLC platformsProven experience developing state-machine based control logic is nice to haveHands-on experience integrating motors, drives, sensors, actuators, and industrial networksExperience with EtherCAT, EtherNet/IP, Profinet, or ModbusAbility to read electrical schematics and control drawingsFamiliarity with Linux-based industrial systems and version control tools (Git)

GCS is acting as an Employment Business in relation to this vacancy.

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GCS is acting as an Employment Business in relation to this vacancy.

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