# BESS Specialist

> Solarvest · Petaling Jaya, Malaysia · — · Posted 2026-05-19

**Workplace:** on_site

**Department:** Special Project Management

## Description

-   Lead the technical and commercial structuring of BESS components within utility solar tenders — defining system capacity, duration, cycling assumptions, and grid services capability.
-   Develop and maintain BESS financial models — including dispatch revenue, grid services income, degradation assumptions, capex/opex buildups, and project IRR contribution.
-   Advise on optimal BESS system architecture for each project based on site requirements, grid conditions, and offtake terms.
-   Review and validate BESS technical specifications provided by equipment suppliers and EPC contractors.
-   Lead BESS component preparation for all LSS6 and future tender submissions requiring storage integration.
-   Ensure BESS elements of tender submissions are technically accurate, commercially competitive, and compliant with programme requirements.
-   Support the EPCC team in evaluating BESS subcontractors and equipment suppliers for tender nominations.
-   Track TNB, EC, and SEDA announcements on grid services, ancillary markets, and storage-related policy developments.
-   Assess revenue opportunities from frequency regulation, peak shaving, and other grid services for applicable projects.
-   Brief all four pillars on relevant storage policy developments that affect project economics or tender requirements.
-   Support financial close preparation for projects with BESS components — preparing lender-ready technical descriptions, operating assumptions, and risk summaries.
-   Engage with BESS equipment suppliers, independent engineers, and technology consultants on project-specific requirements.

## Requirements

-   3–5 years in battery energy storage, grid-scale energy, or utility-scale solar with storage integration.
-   Hands-on experience structuring BESS components for project finance or competitive tenders.
-   Financial modelling proficiency — storage dispatch economics, degradation, grid services revenue.
-   Familiarity with Malaysian energy policy (LSS, EC guidelines, TNB grid requirements) is a strong advantage.
-   Deep understanding of BESS system architecture — lithium-ion chemistry, inverter configurations, DC/AC coupling, BMS requirements.
-   Able to review and challenge technical specifications from equipment suppliers and EPC contractors.
-   Proficient in Excel financial modelling with storage-specific variables.

## Apply

[Apply at Solarvest](https://apply.workable.com/solarvest/j/ABB0574BFE/apply)

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