Job description
We´re Hiring: Commissioning Expert - Mechanical & Auxiliary Systems (Offshore / Onshore Substations)
Are you a seasoned commissioning professional with a strong background in mechanical and auxiliary systems?
We are looking for a Commissioning Expert to support the delivery, integration, and testing of auxiliary mechanical systems on offshore and onshore substations — as part of large-scale renewable energy infrastructure across Europe.
This is a long-term assignment (until end of 2027) on major offshore wind projects.
Locations: The Netherlands (Vlissingen, Schiedam, Stormpolder), Offshore Baltic Sea, Berlin
Type: Freelance or employment
Level: Professional / Expert
Your Mission:
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Plan, execute, and supervise commissioning of mechanical & auxiliary systems, including:
HVAC, LV switchboards, firefighting (FiFi) systems, cranes, communication, and safety systems
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Ensure full compliance with technical specifications, certification, and HSE standards
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Conduct FAT/SAT (Factory and Site Acceptance Testing), signal testing, and inspections
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Identify and report deviations and maintain up-to-date snag lists, punch lists, and documentation
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Support partial and final system acceptance in factory, yard, and offshore locations
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Collaborate with construction, QA/QC, and engineering teams for smooth integration
Your Profile:
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5+ years of experience in commissioning and integration of auxiliary/mechanical systems on substations or industrial platforms
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In-depth knowledge of DIN VDE, IEC standards, and relevant certification requirements
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Experience with QA/QC processes during fabrication and commissioning phases
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Valid GWO (Global Wind Organisation) certification for offshore work
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Fluent English required; German is a plus
Ready to take on the challenge — or know someone who fits? Let’s connect!
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Commissioning Expert OSS Onshore/Offshore in Rostock Arbeitgeber: TIS
TIS ist ein hervorragender Arbeitgeber, der in Berlin ansässig ist und eine dynamische Arbeitsumgebung bietet, in der Kreativität und strategisches Denken geschätzt werden. Mit einem starken Fokus auf Mitarbeiterentwicklung und einer offenen Unternehmenskultur fördert TIS die Zusammenarbeit und den Austausch von Ideen, während flexible Arbeitsmodelle und die Möglichkeit zur persönlichen Entfaltung geboten werden. Hier haben Sie die Chance, in einem wachsenden B2B-Fintech-Unternehmen zu arbeiten, das innovative Lösungen für Unternehmen entwickelt und dabei Ihre Fähigkeiten im Bereich Content- und Markenstrategie voll ausschöpfen kann.
