Assistant Project Manager

Location: Delft

Are you excited about managing complex offshore projects, from decommissioning, offshore heavy-lift installation and pipelay? Are you ready to take ownership and contribute to their successful delivery?

At Allseas, we deliver innovative solutions for complex offshore projects worldwide. Our Project Management Department is responsible for managing and executing commercial projects for clients across the globe.

We are looking for an Assistant Project Manager to join our team and contribute to the preparation and execution of these projects.

Your role

As an (Assistant) Project Manager, you play a key role in the preparation and execution of complex offshore projects. Depending on your experience and level of responsibility, you take ownership of assigned work packages or broader project activities, working closely with multidisciplinary teams.

You will work on technically challenging offshore projects with significant responsibility from an early stage. The role combines engineering, commercial awareness and offshore execution, giving you the opportunity to follow a project from preparation through to execution offshore.

Your responsibilities include:

• Develop detailed schedules for offshore installations and operational activities.
• Maintain close contact with clients, suppliers, and authorities to safeguard commercial agreements and permits.
• Handle contract changes, concessions, and commercial aspects; negotiate variations and claims.
• Prepare cost estimates, progress reports, and forecasts for internal and external stakeholders.
• Lead multidisciplinary teams and ensure smooth collaboration between engineering, operations, and HSE.
• Identify commercial and operational risks and develop mitigation plans.

What we expect from you

You are a results-driven professional with a hands-on mentality and a strong technical interest. You communicate effectively, take initiative and know how to prioritise in a dynamic environment. With your practical approach and attention to detail, you remain focused on finding solutions, even under pressure.

You bring:

• BSc or MSc degree in Civil Engineering, Mechanical Engineering, Offshore Engineering or an equivalent technical discipline.
• Relevant experience in project management, project engineering or project coordination within a technical environment.
• Strong affinity with complex technical and offshore projects.
• Familiarity with project planning, budget control and progress monitoring.
• Fluency in English, both spoken and written.
• Willingness to travel and work offshore when required.

Please note that an assessment and/or pre-employment screening may be part of the recruitment process, depending on the role.

Depending on your nationality, we may need to conduct background checks including references, qualifications, and work permits.

What we offer

At Allseas, you will have the opportunity to work on investment projects that directly contribute to the development of new technologies and innovative offshore solutions. You will join an international organisation where entrepreneurship, collaboration, and innovation are at the heart of everything we do.

In addition, we offer:

• Competitive industry benchmarked salary and excellent pension;
• Performance based salary raises and bonuses;
• 30 holidays days per year, flexible working hours;
• Extensive training and development programme, study budgets and coaching;
• A company-sponsored fitness scheme;
• Internal clubs, committees, parties and (sportive) events

Stories from colleagues

If you enjoy solving problems and taking responsibility, you will find plenty of opportunities here.

Jaenet van Eijk, Logistics Engineer