Senior Executive / Assistant Manager - Business Development

About the role

With a focus on identifying and pursuing new opportunities, you will play a pivotal role in shaping the future success of our organisation.

• Identify, develop, and close project-based sales opportunities (on-site generation, greenfield, brownfield gas supply projects for bulk and packaged gases, specialty gases).
• Lead customer engagement from initial enquiry through proposal development, technical discussions, and contract negotiation.
• Promote engineering and project capabilities to customers in industries such as petrochemicals, steel, electronics, healthcare, energy, and clean technologies.
• Build and maintain strong relationships with decision-makers, EPC contractors, consultants, and government/industry agencies.

• Work with engineering and operations teams to design technical solutions tailored to customer needs (e.g., plant sizing, supply mode optimization).
• Develop detailed bid plans, timelines, and resource allocation.
• Prepare and present techno-commercial proposals, including project economics, investment models, and ROI analysis.
• Ensure proposals are competitive, aligned with company standards, and meet safety and sustainability requirements.

• Develop and maintain a project pipeline with clear prioritization of opportunities.
• Monitor competitor activity, market trends, and government/industry policies impacting project demand.
• Present bid strategies and progress to senior management and customer.
• Track and report on bid success rates and areas for improvement.
• Maintain a bid library and document templates for efficient reuse.

• Lead commercial negotiations on project pricing, long-term supply agreements, and EPC/turnkey contracts.
• Draft, review, negotiate, and administer a variety of contracts, including but not limited to, client agreements, vendor contracts, service agreements, non-disclosure agreements (NDAs), and partnership agreements.
• Structure contracts that balance customer satisfaction with company profitability and risk management
• Ensure contracts are compliant with company policies, regulatory requirements, risk management standards and industry regulations.
• Monitor contract performance, ensuring obligations are met and amendments are processed as needed.
• Maintain a contract repository and ensure proper documentation and version control.
• Resolve contract-related disputes in collaboration with stakeholders.

• Bachelor’s degree in engineering (Chemical, Mechanical, Electrical) or related field; MBA or equivalent business qualification.
• Minimum 5 years of sales or business development experience in industrial gases, chemicals, energy, or related engineering project fields is an advantage.
• Strong technical understanding of gas supply systems (on-site plants, cryogenic, non-cryogenic, pipelines).
• Proven track record in project sales and closing large, long-term contracts.
• Strong financial and commercial acumen with experience in business case preparation.
• Excellent communication, negotiation, and presentation skills.
• High standards of integrity, safety, and compliance.
• Fresh graduates are also welcome to apply.

About us

Nippon Sanso Singapore Ltd (formerly Leeden National Oxygen Ltd) supplies industrial gases and related solutions to industries including electronics, marine, manufacturing, and energy.

Alongside our industrial gas business, we provide welding solutions and safety products that support customers in their production and operational environments.

The company is part of the Nippon Sanso Holdings Group, a global industrial gas company operating across Asia, Europe, and the Americas. With the transition to Nippon Sanso Singapore Ltd, the company is entering a new phase of development with closer alignment to the Nippon Sanso global brand.

If you're ready to take the next step in your career and join a dynamic and innovative organisation, we encourage you to apply now.