Senior Structural Engineer

Join Our Heavy Lift Engineering Department in Delft

The Heavy Lift department is responsible for the concept, basic and detailed engineering phases of topside and jacket installations and removals of up to 60,000 tonnes for both the oil & gas and renewables industries. The department brings together a creative, multidisciplinary team of Heavy Lift Engineers, Structural Engineers, Naval Engineers and Draftsmen.

Our agile teams perform all engineering and feasibility analyses required for the safe and efficient execution of projects by Allseas’ heavy lift fleet. With the North Sea rapidly transforming — driven by large-scale decommissioning of aging oil and gas platforms and the expansion of offshore wind farms — Allseas is uniquely positioned to lead this new era. Our flagship vessel, Pioneering Spirit, the world’s most powerful heavy lift and construction vessel, can remove or install entire platforms in a single lift, setting new standards for safety, speed and sustainability.

Since 2016, the department has contributed to a total lifted weight of 330,000 tonnes, with a record-breaking 123,000 tonnes in 2022. With an order book of more than 30 assets, Allseas continues to drive the transition of offshore infrastructure in the North Sea and beyond.

Your role

We have an exciting opportunity for an experienced, hands-on Senior Structural Engineer to join our industry-leading Heavy Lift Engineering Department in Delft, the Netherlands.

As a Senior Structural Engineer, you will take end-to-end responsibility for the structural scope within your projects. You will lead the engineering work for single-lift platform installations and removals executed by Pioneering Spirit, ensuring that all designs, analyses and procedures meet the highest technical and safety standards.

You’ll oversee the full process — from concept design and detailed calculations to offshore support — and will act as a key point of contact for both internal teams and external stakeholders. In addition, you’ll guide and mentor Junior and Medior Structural Engineers, sharing your expertise to help develop the next generation of engineers.

We’re looking for a technically strong, results-driven professional who combines deep analytical ability with practical, hands-on insight. You lead by example, thrive in a collaborative environment, and are motivated by the challenge of pushing the boundaries of heavy lift engineering.

Job Specific Tasks:

• You take overall responsibility for the structural scope of assigned projects;
• You define methodologies, priorities and progress, ensuring quality and efficiency;
• You supervise and review the work of Junior and Medior Structural Engineers, providing technical guidance and mentorship;
• You perform and validate design studies, calculations and simulations for complex structures;
• You develop procedures for the use and testing of installation or removal aids, and align outcomes with project and offshore teams;
• You coordinate budgets, schedules and material take-offs;
• You review subcontractor designs and methods, ensuring alignment with project goals and standards;
• You support offshore operations and troubleshoot during execution when required;
• You prepare input for engineering close-out reports and lessons learned;
• You contribute to the continuous improvement of departmental standards and working methods.

What we expect from you

In order to be a fit for this job, you should largely recognize yourself in the following criteria:

• You hold a BSc / MSc degree in Civil, Mechanical or Structural Engineering (or equivalent), preferably with a specialisation in Maritime and Offshore
• You have at least 8 years of relevant experience in Structural Engineering in an industry relevant environment
• You have proven your ability to take ownership of projects and deliver results independently;
• You possess communication and leadership skills, with a desire to mentor and develop others;
• You are proficient with structural engineering software (preferably FEMAP and GeniE) or eagerness to expand your expertise;
• You are fluent in English and comfortable working in an English environment; Dutch is a plus;
• Occasionally, you are willing to travel offshore to one of our vessels;
• Affinity with offshore and/or marine environments is a must

What we offer

Working at Allseas means joining a pioneering team that’s shaping the future of offshore energy. You’ll work in a dynamic, fast-paced and entrepreneurial environment where innovation, teamwork and hands-on problem-solving are at the core of everything we do. Our flat structure and open culture give you the freedom to take initiative, lead projects and make a real impact.

• A competitive, industry-benchmarked salary and excellent pension scheme;
• Performance-based salary increases and annual bonuses;
• 30 holiday days per year and flexible working hours (start between 7:00 and 10:00);
• Extensive training and development opportunities, including study budgets and coaching;
• A company-sponsored fitness and wellbeing programme;
• Internal clubs, social events and sports activities that bring colleagues together.

Do you believe you’re ready to take the lead and make your mark on groundbreaking offshore projects? Help us shape the future of offshore engineering!

Stories from colleagues

Witnessing the successful execution of these projects, knowing that I played a role in their development, is a truly satisfying experience.
Olaf Crebolder, Installation Engineer

If you’ve any questions about this job opening, please reach out to: adiem@allseas.com