E&I SPI Designer

E&I SPI Designer - Unity Partners - Vacatures

Unity Partners on behalf of our offshore energy partner

E&I SPI Designer – Offshore Energy Projects | The Netherlands

Our partner is a leading engineering organization delivering complex offshore energy projects, including high-voltage offshore substations that play a key role in the energy transition. To strengthen their Electrical & Instrumentation design team, we are looking for an experienced E&I SPI Designer who enjoys building robust cable designs that work flawlessly long before installation starts.

In this role, you ensure that complex E&I cable systems are correctly designed, connected, and documented — providing the foundation for safe, efficient installation and commissioning offshore.

Design complete E&I cable infrastructures for offshore energy projects.

Build and maintain a detailed SmartPlant Instrumentation (SPI / Intools) database containing all E&I components, cables, and terminal strips.

Connect cables within the wiring module and ensure correct termination logic.

Generate termination diagrams and loop diagrams using tools such as SPI, Infomaker, and AutoCAD .

Ensure the SPI database is accurate, complete, and up to date throughout the project lifecycle.

Work closely with E&I designers and other disciplines to align cable design with the overall engineering model.

Minimise installation errors by delivering clear, consistent, and high-quality documentation.

Completed vocational education (MBO) in Electrical Engineering or a similar technical field.

3+ years of experience in a similar E&I or SPI design role.

Hands-on experience with SmartPlant Instrumentation (Intools) .

Proven ability to generate wiring diagrams, termination diagrams, and loop drawings.

Accurate, structured, and able to work independently.

Strong communication skills and a collaborative team mindset.

You will join a close-knit E&I design team working within a large, multidisciplinary engineering organization. The culture is professional, informal, and focused on collaboration and shared success.

High-impact projects across sectors — from offshore wind platforms to infrastructure, industrial facilities, and marine systems.

A professional yet friendly working environment where expertise and enjoyment go hand in hand.

Flexible employment conditions : choose a higher salary, extra vacation days, or a combination.

Travel allowance & work-from-home compensation

Extensive opportunities for training, courses, and professional development.

If you are an E&I SPI Designer who enjoys working on complex offshore projects and delivering high-quality cable designs, we would love to hear from you.

Contact Christian Steenkamp at [staat bij de werkgever] or apply via Unity Partners .

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