Interface Engineer - Offshore Wind Grid Connection

Client : European transmission system operator (TSO)

Duration : 6 months (approx. 110 man-days), renewable - Start 13 July 2026

Work mode: Office at client site

Languages : English and French fully proficient (both mandatory).

Context

Join a leading European transmission system operator at the heart of one of France's flagship offshore wind projects. As Interface Engineer on the grid connection of a 600 MW offshore wind farm, you orchestrate the physical and technical interfaces between the wind farm producer, the client and its EPCI contractors delivering the offshore substation and the 225 kV subsea and underground export cable system. Based at La Defense, you own the interface management process end to end: responsibility matrices, interface registers, contractual deadlines and stakeholder alignment across a complex, multicultural project organisation.

You join at a decisive phase, as fabrication and installation packages mobilise and interface performance directly drives the connection schedule.

Role and Responsibilities

• Steer the interface management process across all project packages.
• Act as single point of contact for contractors and the producer.
• Maintain responsibility matrices, interface registers and interface sheets.
• Protect contractual interface deadlines under the EPCI contract.
• Lead interface meetings and deliver monthly interface reporting.

Profile

• 4+ years in interface engineering on large infrastructure projects.
• Hands-on operation of an interface management process.
• Technical culture in HV substations, offshore platforms or marine works.
• Strong coordination, negotiation and synthesis skills.
• English and French fully proficient (both mandatory).

What we offer

A 6-month renewable assignment from July 2026 at the centre of France's offshore wind grid connection programme, with a leading European TSO. Competitive daily rate. A high-visibility coordination role across producers, EPCI contractors and an established project team at La Defense, with occasional site visits in France and abroad. Clear scope, senior exposure and a renewable framework as the project moves through fabrication, installation and commissioning.