APAC BESS Commercial Lead — Bids & Contracts

TRINA SOLAR ENERGY DEVELOPMENT PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

TRINA SOLAR ENERGY DEVELOPMENT PTE. LTD. is seeking a seasoned Commercial Manager to lead end-to-end bidding, negotiate with APAC clients for ESS/BESS projects, and draft commercial and technical contracts.

You will coordinate with Sales, Engineering, Legal, Finance, and Supply Chain to develop competitive proposals and mitigate risks across multi-bid opportunities. The ideal candidate has 5+ years in commercial management within energy/storage sectors, fluent Mandarin and English, and a proven

Qualifications

• Bachelor’s degree in business, law, engineering, or related field.
• Minimum 5 years in commercial management or bid management.
• Experience in energy storage (ESS/BESS), renewable energy, or infrastructure projects in APAC.
• Proven client-facing negotiation and contract drafting experience.
• Strong risk assessment, pricing strategy, and contract finalization skills.
• Excellent collaboration across cross-functional, multicultural, and regional teams.
• Fluent in Mandarin and English (written and spoken).
• Adaptable in a fast-paced environment with changing priorities.

Responsibilities

• Lead and manage end-to-end bidding activities, including bid strategy, tender preparation, submission, clarification, and final negotiation.
• Represent the company in client-facing commercial negotiations to secure profitable terms for APAC energy storage projects.
• Review, draft, and negotiate commercial and technical contracts with compliance and risk control.
• Coordinate with Sales, Engineering, Legal, Finance, Supply Chain, and Product teams to develop viable proposals and ensure cross-functional alignment.
• Assess commercial, financial, and contractual risks for each opportunity and propose mitigation actions.
• Support opportunity qualification and deal structuring with commercial insights in early stages.
• Maintain and improve commercial templates, pricing models, and bid processes for efficiency and competitiveness.
• Participate in customer engagements including meetings, presentations, and negotiations throughout the sales cycle.
• Manage internal approval processes from bid initiation to contract signing.

Skills

Bid management

Contract negotiations

Commercial management

Risk analysis

Cross-functional collaboration

Analytical thinking

Communication

Mandarin and English

Education

Bachelor's degree

Job description

TRINA SOLAR ENERGY DEVELOPMENT PTE. LTD. is seeking a seasoned Commercial Manager to lead end-to-end bidding, negotiate with APAC clients for ESS/BESS projects, and draft commercial and technical contracts.

You will coordinate with Sales, Engineering, Legal, Finance, and Supply Chain to develop competitive proposals and mitigate risks across multi-bid opportunities. The ideal candidate has 5+ years in commercial management within energy/storage sectors, fluent Mandarin and English, and a proven