Commissioning Expert OSS Onshore/Offshore
T.I.S. GmbH | Testing & Inspection Services
Germany
Engineering
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:
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:
- Plan, execute, and supervise commissioning of mechanical & auxiliary systems, including:
- Ensure full compliance with technical specifications, certification, and HSE standards
- Conduct FAT/SAT (Factory and Site Acceptance Testing), signal testing, and inspections
- Identify and report deviations and maintain up-to-date snag lists, punch lists, and documentation
- Support partial and final system acceptance in factory, yard, and offshore locations
- Collaborate with construction, QA/QC, and engineering teams for smooth integration
- 5+ years of experience in commissioning and integration of auxiliary/mechanical systems on substations or industrial platforms
- In-depth knowledge of DIN VDE, IEC standards, and relevant certification requirements
- Experience with QA/QC processes during fabrication and commissioning phases
- Valid GWO (Global Wind Organisation) certification for offshore work
- Fluent English required; German is a plus
About the company
Company website•Engineering Services
We are a privately owned company specialized in offering technical expertise and comprehensive consulting packages for projects within the Onshore & Offshore Wind, Oil & Gas and Shipbuilding Industries.
Our proficient understanding of quality management processes together with our wide-ranging skills and abilities guarantee successful development and completion of your Project.
We offer the following services:
- Welding Inspection and NDT Testing
- Corrosion Protection Inspections
- Fabrication Supervision
- Quality Management
- Risk Assessment
- Site Management
- Audits