Are you an experienced procurement professional looking to shape the future of energy storage across Japan?
Join JUMBO Consulting Group as we strengthen our procurement and commercial capabilities within the rapidly growing Battery Energy Storage Systems (BESS) market across Japan.
We invite you to join our expanding APAC team. In this position, you will support leading global infrastructure investors and developers with procurement across their BESS portfolios. This is more than a delivery role – we are looking for someone to help expand our service offering, deepen client relationships, and play a key role in JUMBO's continued growth.
About JUMBO Consulting Group
JUMBO Consulting Group is a specialist consultancy within the Turner & Townsend group, focused on providing strategic supply chain development and procurement advisory to investors and developers of renewable energy and infrastructure projects worldwide.
Headquartered in Copenhagen, Denmark, JUMBO operates globally across North America, Europe, and Asia-Pacific. Through our connection with Turner & Townsend, we combine global reach with specialist expertise in complex energy infrastructure.
BESS is a critical enabler of the energy transition, supporting renewable integration, grid flexibility, and market optimization. This role is central to strengthening our position in this high-growth sector.
The Opportunity
We have an immediate opportunity to support key clients with procurement across their BESS portfolios, including standalone storage and hybrid renewable projects.
You will be working on complex, high-value projects, delivering strategic procurement solutions in a rapidly evolving market with diverse regulatory frameworks.
Initial Focus – BESS
The role will focus on end-to-end procurement for utility-scale BESS projects, including:
- Battery Supply Agreements (BSA) – sourcing battery OEMs and negotiating supply terms
- Energy Management Systems (EMS) and control platforms
- Balance of Plant (BOP) – civil, electrical, substations, and grid connection scopes
- EPC / E-BoP packages for full system integration
- Long-term service agreements (LTSA), including warranties and performance considerations
Expanding Scope
The role will also support:
- Hybrid projects (BESS + solar / wind)
- Co-location strategies and grid optimization projects
- Emerging technologies and flexibility markets across APAC
Long-Term Growth
This opportunity provides a strong platform to:
- Strengthen JUMBO's Global BESS capability
- Expand relationships with key developers, utilities, and investors
- Establish best-in-class procurement frameworks for energy storage
- Support team and capability growth across the region
Role & Responsibilities
Procurement
- Develop and execute procurement strategies for BESS project packages
- Manage full tender lifecycle (RFI, RFP, evaluation, negotiation, award)
- Lead commercial negotiations across key supply and delivery agreements
- Coordinate technical, legal, and financial inputs across stakeholders
- Ensure compliance with client governance and EU regulatory requirements
- Optimize commercial outcomes across cost, risk, and performance
- Build strong market intelligence on suppliers, technologies, and pricing trends
Who We're Looking For
We are seeking a motivated procurement professional with strong experience in energy storage or complex energy infrastructure.
Desirable Experience:
- Experience in BESS, energy storage, or power infrastructure projects
- Proven track record negotiating:
- Battery Supply Agreements (BSA)
- EPC or system integration scopes
- Long-term service agreements (LTSA)
- Experience with grid connection and electrical infrastructure
- Strong understanding of Japanese energy markets and regulatory environments
- Knowledge of battery technologies, supply chains, and commercial models
- Strong negotiation, stakeholder management, and communication skills
- Structured and analytical working approach
- Relevant bachelor's or master's degree
- Full professional fluency in Japanese
Your Career
JUMBO Consulting Group is driven by the vision of a more sustainable world. You, alongside your talented and like-minded colleagues, are the individuals that will make the difference. You will play an integral role in the development of critical renewable energy and sustainable infrastructure efforts on a global scale.
You will continue to grow your career in a high energy environment, alongside colleagues with a true passion for their work and commitment to providing the best possible solutions to their clients' challenges.
Enjoy a work culture that is inspiring and fosters collaboration across teams and projects, as employees strive to provide best-in-class service.
We are committed to ensuring we are not only working towards a more sustainable future but also creating a positive, exciting, and rewarding place to work.
You will have access to further education, training, and collaboration with like-minded peers to ensure you reach your full potential and experience daily job satisfaction.
Take the Next Step
Ready to take the next step in your career? Apply now and join JUMBO Consulting Group on its growth journey.
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