As a Senior Tender Manager at N-Sea, you play a pivotal role in securing new business and shaping the commercial success of our projects across Survey, UXO and IRM service lines. You lead the end-to-end tendering process, from opportunity evaluation through to submission and negotiation, ensuring high-quality, competitive and risk-balanced proposals.

You act as the central coordinator between commercial, operational and technical teams, driving alignment and ensuring that client requirements are translated into executable, winning solutions.

Key responsibilities

• Lead and take full ownership of complex, high-value tenders.
• Manage the full tender life cycle: qualification, strategy development, execution, submission and negotiation together with our Commercial teams.
• Help to define winning bid strategies, pricing approaches and commercial positioning.
• Translate customer Scope of Work into clear execution strategies and cost structures.
• Identify, assess and manage commercial, technical and contractual risks.
• Coordinate and align input from (amongst others) engineering, operations, legal, procurement, HSEQ and finance.
• Lead client interactions during the tender phase, including clarifications and negotiations.
• Drive RFQ processes and evaluate supplier and subcontractor proposals.
• Prepare and present tender reviews and key decision points to senior management.
• Ensure effective handover to Project Management, supporting a smooth transition into execution.
• Mentor and coach tender team members and contribute to continuous improvement of tendering processes.

Qualifications

• Strong commercial acumen with a deep understanding of tendering and contracting.
• Proven ability to lead complex, multidisciplinary tender processes.
• Strategic thinker with a hands-on, results-driven approach.
• Confident decision-maker, able to challenge and influence stakeholders at all levels.
• Excellent organisational and coordination skills across multiple workstreams.
• Clear and persuasive communicator, both internally and externally.
• High level of ownership, accountability and resilience under pressure.

Requirements

• Bachelor’s or master's degree in Engineering or Technical Business Administration.
• Extensive experience in tendering, project management or commercial roles in the offshore or subsea industry.
• Strong knowledge of Survey, IRM and/or UXO operations is highly desirable.
• Experience with contract forms (e.g. LOGIC, FIDIC) and commercial frameworks.
• Advanced Excel skills and familiarity with tendering tools and systems.
• Fluent in English (written and spoken). Other languages are seen as beneficial.

What we offer

• A key leadership role in a commercially critical function.
• Responsibility for high-impact, multidisciplinary offshore projects.
• Direct influence on business growth and strategic direction.
• A collaborative, pragmatic and entrepreneurial environment.
• Opportunities to grow within an international subsea solutions provider.

About N-Sea

N-Sea is an end-to-end subsea services provider. With a fleet of 14 multipurpose vessels and a range of in-house systems and equipment, N-Sea delivers smart, fit-for-purpose solutions for subsea infrastructure projects in every stage of the offshore asset life cycle for customers in the international offshore energy industry. Our bespoke solutions focus on specific subsea capabilities, such as survey, UXO ID & clearance, cable repair & installation, or IRM, construction & decommissioning.

With the support of an experienced, multidiscipline offshore operations team, we integrate these bespoke capabilities into a single project, delivering a smart, fit-for-purpose, safe and sustainable solution that improves the efficiency of subsea projects and reduces projects risks for our customers.

N-Sea Group is a privately owned company headquartered in the Netherlands, with more than 500 people working offshore and onshore, onboard vessels and in facilities across Europe and the Middle East, and a revenue of more than €200M in 2025.

N-Sea. Smart Subsea Solutions.

We are a recognised IND sponsor and can support visa applications. We welcome applications from candidates of all backgrounds.