Senior PLC Programmer

Innovate; Zuid-Holland; On-site; EUR 65,000 - 95,000; Full time

Job summary

Innovate in the South Rotterdam area / South Holland seeks a Senior PLC Programmer with Siemens expertise to develop, test, optimise and commission software for advanced industrial washing installations used by customers worldwide.

You will work across software, electrical and mechanical engineering teams, travel internationally for commissioning, and influence standards while delivering robust, well-documented control solutions.

Qualifications

• Proven experience with PLC programming and industrial automation.
• Experience with Siemens S7 control systems.
• Strong knowledge of Siemens TIA Portal and HMI development.
• Experience commissioning and troubleshooting in industrial environments.
• Ability to translate technical requirements into robust software solutions.

Responsibilities

• Develop and maintain PLC software for Siemens S7 control systems.
• Develop and maintain HMI applications using Siemens TIA Portal.
• Test, troubleshoot and optimise control software and machine functionality.
• Support software-related activities throughout engineering projects.
• Improve and standardise existing software structures and functionality.
• Implement data logging, remote-service functionality and cloud-based solutions.
• Provide technical support to colleagues and assist with fault diagnosis.
• Commission, test and optimise machines at customer sites in the Netherlands and internationally.

Skills

PLC programming

Siemens S7

TIA Portal

HMI development

Industrial automation

Education

Electrical Engineering or related discipline

Tools

Siemens S7 tooling

TIA Portal

Job description

Senior PLC Programmer | Location: South Rotterdam area / South Holland | Employment type: Full-time | Travel: International customer-site travel as/when required

Are you an experienced PLC Programmer with a strong Siemens background and a passion for complex machine control systems? We are recruiting on behalf of our client, an international engineering business specialising in industrial machinery and automation solutions for the food-processing sector.

They are looking for a Senior PLC Programmer to develop, test, optimise and commission software for advanced industrial washing installations used by customers worldwide.

This is a hands‑on role offering the opportunity to influence technical decisions, improve software standards and work closely with software, electrical and mechanical engineering specialists.

The role

You will take responsibility for the development, maintenance and optimisation of control software for industrial machinery. Working closely with Mechanical Engineering, Electrical Engineering and Project Management, you will contribute throughout the full project lifecycle, from software development and testing through to commissioning at customer sites.

Key responsibilities

• Develop and maintain PLC software for Siemens S7 control systems.
• Develop and maintain HMI applications using Siemens TIA Portal.
• Test, troubleshoot and optimise control software and machine functionality.
• Support software-related activities throughout engineering projects.
• Improve and standardise existing software structures and functionality.
• Implement data logging, remote-service functionality and cloud-based solutions.
• Provide technical support to colleagues and assist with fault diagnosis.
• Commission, test and optimise machines at customer sites in the Netherlands and internationally.
• Maintain a high standard of software quality, reliability and documentation.
• Contribute ideas for the continued development of machine controls and software standards.

Skills and experience required

• Strong commercial experience in PLC programming and industrial automation.
• Proven experience working with Siemens S7 control systems.
• Good knowledge of Siemens TIA Portal and HMI development.
• Experience developing software for machinery, production equipment or automated systems.
• Experience with commissioning, troubleshooting and optimisation in an industrial environment.
• Ability to interpret technical requirements and translate them into robust software solutions.
• Experience working collaboratively with electrical, mechanical and project engineering teams.
• A structured and quality-focused approach to software development.
• Ability to work independently, take ownership of technical decisions and support less experienced colleagues.
• Willingness to travel internationally for commissioning and customer support.
• Strong communication skills in English; Dutch language skills would be advantageous.
• A relevant qualification in Electrical Engineering, Automation, Mechatronics, Software Engineering or a related discipline would be beneficial.

What the role offers

• A senior position within a multidisciplinary engineering environment.
• The opportunity to work on complex industrial machinery used internationally.
• Significant autonomy and influence over technical software decisions.
• Involvement across the complete project lifecycle, from development through to commissioning.
• The opportunity to contribute to software standardisation and continuous improvement.
• Collaboration with experienced software, electrical and mechanical engineering professionals.