Offshore Cost Estimator: Tendering, Cash Flow & Risk

N-Sea Group; Dordrecht; On-site; EUR 42,000 - 64,000; Full time

Benefits offered by this job

Lunch buffet

Professional growth opportunities

Supportive team environment

Competitive compensation

Job summary

N-Sea Group in Dordrecht seeks a Cost Estimator to join our offshore energy team. You will prepare comprehensive cost estimates and cashflow forecasts for tenders and ongoing projects across oil & gas and renewables, collaborating with technical and commercial colleagues to reflect full project scope.

You will help maintain accuracy and transparency in cost data, contribute to risk assessments, and support management decisions with robust estimates and cost control insights.

Qualifications

• Bachelor's or Master's degree in Engineering or related field.
• 1–5 years of relevant experience in cost estimation, tendering, project controls, or technical projects.
• Affinity with maritime, offshore, or energy industry is an advantage.
• Strong analytical and numerical skills with high attention to detail.
• Proficiency in Microsoft Excel and interest in cost estimation tools and financial data.
• Commercial awareness and understanding of financial implications of technical decisions.
• Proactive, pragmatic, solution-oriented mindset with ability to identify risks/opportunities.
• Strong communication and collaboration across multidisciplinary teams.

Responsibilities

• Participate in tendering processes and align with company ambitions and values.
• Prepare cost estimates based on Scope of Work and WBS.
• Identify project risks and develop risk budgets with mitigations.
• Prepare cash flow analyses for cost reviews and input to cost reviews.
• Own cost calculations and pricing schedules for clients.
• Coordinate input from relevant departments into cost estimates.
• Collaborate with Procurement to manage supplier quotations and proposals.
• Prepare financial/cost reports for internal reviews.
• Collaborate with Project Controllers/Managers post-award for cost control reports.
• Contribute to maintenance of central cost database and estimation methodologies.

Skills

Analytical skills

Numerical skills

Commercial awareness

Communication skills

Independence

Tendering experience

Project controls

Education

Engineering degree

Related field

Tools

Excel

Cost estimation tools

Job description

N-Sea Group in Dordrecht seeks a Cost Estimator to join our offshore energy team. You will prepare comprehensive cost estimates and cashflow forecasts for tenders and ongoing projects across oil & gas and renewables, collaborating with technical and commercial colleagues to reflect full project scope.

You will help maintain accuracy and transparency in cost data, contribute to risk assessments, and support management decisions with robust estimates and cost control insights.