Commissioning Engineer | Barcelona | Process Engineering | Freelance
Contract Details:
Location: Barcelona, Spain – Onsite
Contract: Freelance
I'm currently supporting an international engineering company with an upcoming project in Barcelona and looking for a Commissioning Engineer to join their onsite team.
Responsibilities:
Starting, testing and troubleshooting pumps
Testing and repairing valves
Piping and leak checks
Instrument configuration and testing
Testing control programs and automation routines
Testing alarms and safety interlocks
Electrical fault finding and troubleshooting
Supporting process plant start-up activities
Biogas and digestate/sample analysis
Working alongside the Lead Engineer to investigate and resolve commissioning issues
Requirements:
1–3+ years' commissioning, start-up or relevant field engineering experience
Background in Electrical, Mechanical,



Mechatronics, Process or Chemical Engineering
Hands-on experience with pumps, valves, instrumentation, piping or process equipment
Comfortable troubleshooting equipment directly onsite
Experience within process plants, water/wastewater, biogas, energy, utilities, industrial automation or similar environments is advantageous
Spanish and English essential
Available to work onsite in the Barcelona area
This is particularly suitable for an engineer looking to develop across mechanical, electrical, instrumentation and automation commissioning while gaining experience alongside an established Commissioning Lead.
If you're interested, apply directly or message me confidentially for further details.

📌 Commissioning Engineer | Barcelona | Freelance (Castro)
🏢 Optimus Life Sciences
📍 Castro