Job Description

Step into a high-impact contract role where your PLC expertise directly drives performance, reliability, and safety across complex industrial automation systems. You’ll be working with leading-edge Siemens technologies, delivering robust control solutions that keep operations running efficiently and compliantly.
About the Role:

As a Contract PLC Programmer, you will develop, configure, and optimise PLC and HMI/SCADA systems using Siemens platforms to support automated machinery and production lines. You will be responsible for implementing control strategies, tuning PID loops, and ensuring seamless integration with existing plant infrastructure. Your work will have a direct impact on system uptime, process stability, and adherence to safety and regulatory standards.
Key Responsibilities:
- Develop and modify PLC programs using VASS 6 and Siemens TIA Portal to meet project and process requirements.
- Configure PLC hardware, including I/O modules, networks, and field devices, ensuring reliable operation and communication.
- Design, develop,



and optimise HMI/SCADA screens and visualisations for effective operator interaction and process monitoring.
- Implement, tune, and validate PID control loops to achieve stable and efficient process performance.
- Perform troubleshooting and diagnostics on PLC, HMI, and communication systems to identify and resolve faults and performance issues.
- Integrate and commission industrial communication protocols (e.g. PROFINET, PROFIBUS, Ethernet-based systems) within automation architectures.
- Apply and verify safety standards and regulations within PLC programs and system configurations, including safety interlocks and emergency stop logic.
- Collaborate with engineering, maintenance, and operations teams to support commissioning, testing, and handover of automation solutions.

Key Requirements:
- Proven experience as a PLC Programmer working on industrial automation projects in manufacturing or process environments.

📌 PLC Programmer (Pamplona)
🏢 Valknut
📍 Pamplona